* lib/autoconf/functions.m4: this.
* acgeneral.m4: Rename as...
* lib/autoconf/general.m4: this.
* acheaders.m4: Rename as...
* lib/autoconf/headers.m4: this.
* aclang.m4: Rename as...
* lib/autoconf/lang.m4: this.
* acoldnames.m4: Rename as...
* lib/autoconf/oldnames.m4: this.
* acspecific.m4: Rename as...
* lib/autoconf/specific.m4: this.
* actypes.m4: Rename as...
* lib/autoconf/types.m4: this.
* autoconf.m4: Rename as...
* lib/autoconf/autoconf.m4: this.
* m4sugar.m4: Rename as...
* lib/m4sugar/m4sugar.m4: this.
* m4sh.m4: Rename as...
* lib/m4sugar/m4sh.m4: this.
* tests/atgeneral.m4: Rename as...
* lib/autotest/general.m4: this.
* acfunctions: Rename as...
* lib/autoscan/functions: this.
* acheaders: Rename as...
* lib/autoscan/headers: this.
* acidentifiers: Rename as...
* lib/autoscan/identifiers: this.
* aclibraries: Rename as...
* lib/autoscan/libraries: this.
* acmakevars: Rename as...
* lib/autoscan/makevars: this.
* acprograms: Rename as...
* lib/autoscan/programs: this.
Makefile
autoheader autoconf autom4te autoreconf autoscan autoupdate ifnames
-acversion.m4
-*.m4f
config.cache
config.log
config.status
+2001-08-01 Akim Demaille <akim@epita.fr>
+
+ * acfunctions.m4: Rename as...
+ * lib/autoconf/functions.m4: this.
+ * acgeneral.m4: Rename as...
+ * lib/autoconf/general.m4: this.
+ * acheaders.m4: Rename as...
+ * lib/autoconf/headers.m4: this.
+ * aclang.m4: Rename as...
+ * lib/autoconf/lang.m4: this.
+ * acoldnames.m4: Rename as...
+ * lib/autoconf/oldnames.m4: this.
+ * acspecific.m4: Rename as...
+ * lib/autoconf/specific.m4: this.
+ * actypes.m4: Rename as...
+ * lib/autoconf/types.m4: this.
+ * autoconf.m4: Rename as...
+ * lib/autoconf/autoconf.m4: this.
+
+ * m4sugar.m4: Rename as...
+ * lib/m4sugar/m4sugar.m4: this.
+ * m4sh.m4: Rename as...
+ * lib/m4sugar/m4sh.m4: this.
+
+ * tests/atgeneral.m4: Rename as...
+ * lib/autotest/general.m4: this.
+
+ * acfunctions: Rename as...
+ * lib/autoscan/functions: this.
+ * acheaders: Rename as...
+ * lib/autoscan/headers: this.
+ * acidentifiers: Rename as...
+ * lib/autoscan/identifiers: this.
+ * aclibraries: Rename as...
+ * lib/autoscan/libraries: this.
+ * acmakevars: Rename as...
+ * lib/autoscan/makevars: this.
+ * acprograms: Rename as...
+ * lib/autoscan/programs: this.
+
2001-08-01 Akim Demaille <akim@epita.fr>
* doc/autoconf.texi: Moving/deleting open files is not portable.
SUBDIRS = . lib config m4 man doc tests
-SUFFIXES = .m4 .m4f
## There is currently no means with Automake not to run aclocal.
ACLOCAL_AMFLAGS = --version >/dev/null && touch aclocal.m4
WGET = wget
# s/nodistpackageDATA/nodist_pkgdata_DATA/
# and adapt dependencies once we use a more recent Automake
-m4sources = m4sugar.m4 m4sh.m4 \
- $(srcdir)/acversion.m4 \
- autoconf.m4 \
- acgeneral.m4 acoldnames.m4 acspecific.m4 aclang.m4 \
- acfunctions.m4 acheaders.m4 actypes.m4
-
-distpkgdataDATA = acfunctions acheaders acidentifiers acmakevars acprograms \
- aclibraries $(m4sources)
-
-nodistpkgdataDATA = autoconf.m4f
-
-pkgdata_DATA = $(distpkgdataDATA) $(nodistpkgdataDATA)
+m4sources = lib/m4sugar/m4sugar.m4 lib/m4sugar/m4sh.m4 \
+ $(srcdir)/lib/autoconf/version.m4 \
+ lib/autoconf/autoconf.m4 \
+ lib/autoconf/general.m4 lib/autoconf/oldnames.m4 \
+ lib/autoconf/specific.m4 lib/autoconf/lang.m4 \
+ lib/autoconf/functions.m4 lib/autoconf/headers.m4 \
+ lib/autoconf/types.m4
EXTRA_DIST = ChangeLog.0 ChangeLog.1 ChangeLog.2 \
BUGS INSTALL.txt \
- acversion.in \
autoconf.in autoheader.in autoreconf.in autoupdate.in ifnames.in \
autoscan.in autom4te.in \
- $(distpkgdataDATA) \
GNUmakefile Makefile.maint
-# Files that should be removed, but which Automake does not know:
-# the frozen files and the scripts.
-CLEANFILES = autoconf.m4f \
- $(bin_SCRIPTS)
+# Files that should be removed, but which Automake does not know.
+CLEANFILES = $(bin_SCRIPTS)
## ------------------ ##
## Maintainer rules. ##
## ------------------ ##
-## acversion.m4. ##
-
-# - acversion.m4 needs to be updated only once, since it depends on
-# configure.ac, not on the results of a 'configure' run.
-# - It is guaranteed (with GNU Make) that when the version in configure.ac
-# is changed, acversion.m4 is built only after the new version number is
-# propagated to the Makefile. (Libtool uses the same guarantee.)
-
-$(srcdir)/acversion.m4: $(srcdir)/acversion.in $(srcdir)/configure.ac
- sed 's,@VERSION\@,$(VERSION),g' $(srcdir)/acversion.in >acversion.tm4
- mv acversion.tm4 $(srcdir)/acversion.m4
-
## INSTALL. ##
# INSTALL is a special case. Automake seems to have a single name space
$(MAKEINFO) $(top_srcdir)/doc/install.texi --output=$(srcdir)/INSTALL.txt
cp $(srcdir)/INSTALL.txt $(srcdir)/INSTALL
-MAINTAINERCLEANFILES = acversion.m4 INSTALL.txt
+MAINTAINERCLEANFILES = INSTALL.txt
## maintainer-check ##
@$(NORMAL_INSTALL)
@list='INSTALL'; for p in $$list; do \
if test -f "$$p.txt"; then d= ; else d="$(srcdir)/"; fi; \
- f="`echo $$p | sed -e 's|^.*/||'`"; \
+ f=`echo $$p | sed -e 's,^.*/,,'`; \
+ $(mkinstalldirs) $(DESTDIR)$(pkgdatadir) ; \
echo " $(INSTALL_DATA) $$d$$p.txt $(DESTDIR)$(pkgdatadir)/$$f"; \
$(INSTALL_DATA) $$d$$p.txt $(DESTDIR)$(pkgdatadir)/$$f; \
done
chmod +x autom4te.tmp
mv autom4te.tmp autom4te
-## ------------------ ##
-## The frozen files. ##
-## ------------------ ##
-
-
-# When processing the file with diversion disabled, there must be no
-# output but comments and empty lines.
-# If freezing produces output, something went wrong: a bad `divert',
-# or an improper paren etc.
-# It may happen that the output does not end with a end of line, hence
-# force an end of line when reporting errors.
-.m4.m4f:
- $(M4) --include $(srcdir) --fatal-warning --define divert \
- $(srcdir)/$*.m4 2>error.log | \
- sed 's/#.*//;/^$$/d' >process.log
- if grep . error.log >/dev/null 2>&1; then \
- echo "ERROR: Processing $(srcdir)/$*.m4 produced errors:" >&2; \
- sed "s,^,$(srcdir)/$*.m4: ," <error.log >&2; \
- echo >&2; \
- exit 1; \
- else \
- rm -f error.log; \
- fi
- if grep . process.log >/dev/null 2>&1; then \
- echo "ERROR: Processing $(srcdir)/$*.m4 produced output:" >&2; \
- sed "s,^,$(srcdir)/$*.m4: ," <process.log >&2; \
- echo >&2; \
- exit 1; \
- else \
- rm -f process.log; \
- fi
- $(M4) --include $(srcdir) --fatal-warning --freeze-state=$*.m4f \
- $(srcdir)/$*.m4 >freeze.log
- if grep . freeze.log >/dev/null 2>&1; then \
- echo "ERROR: Freezing $(srcdir)/$*.m4 produced output:" >&2; \
- sed "s,^,$(srcdir)/$*.m4: ," <freeze.log >&2; \
- echo >&2; \
- exit 1; \
- else \
- rm -f freeze.log; \
- fi
-
-autoconf.m4f: $(m4sources)
-
## ---------------------------- ##
## Customizing Makefile.maint. ##
SUBDIRS = . lib config m4 man doc tests
-SUFFIXES = .m4 .m4f
ACLOCAL_AMFLAGS = --version >/dev/null && touch aclocal.m4
WGET = wget
# s/nodistpackageDATA/nodist_pkgdata_DATA/
# and adapt dependencies once we use a more recent Automake
-m4sources = m4sugar.m4 m4sh.m4 $(srcdir)/acversion.m4 autoconf.m4 acgeneral.m4 acoldnames.m4 acspecific.m4 aclang.m4 acfunctions.m4 acheaders.m4 actypes.m4
+m4sources = lib/m4sugar/m4sugar.m4 lib/m4sugar/m4sh.m4 $(srcdir)/lib/autoconf/version.m4 lib/autoconf/autoconf.m4 lib/autoconf/general.m4 lib/autoconf/oldnames.m4 lib/autoconf/specific.m4 lib/autoconf/lang.m4 lib/autoconf/functions.m4 lib/autoconf/headers.m4 lib/autoconf/types.m4
-distpkgdataDATA = acfunctions acheaders acidentifiers acmakevars acprograms aclibraries $(m4sources)
+EXTRA_DIST = ChangeLog.0 ChangeLog.1 ChangeLog.2 BUGS INSTALL.txt autoconf.in autoheader.in autoreconf.in autoupdate.in ifnames.in autoscan.in autom4te.in GNUmakefile Makefile.maint
-nodistpkgdataDATA = autoconf.m4f
-
-pkgdata_DATA = $(distpkgdataDATA) $(nodistpkgdataDATA)
-
-EXTRA_DIST = ChangeLog.0 ChangeLog.1 ChangeLog.2 BUGS INSTALL.txt acversion.in autoconf.in autoheader.in autoreconf.in autoupdate.in ifnames.in autoscan.in autom4te.in $(distpkgdataDATA) GNUmakefile Makefile.maint
-
-
-# Files that should be removed, but which Automake does not know:
-# the frozen files and the scripts.
-CLEANFILES = autoconf.m4f $(bin_SCRIPTS)
-
+# Files that should be removed, but which Automake does not know.
+CLEANFILES = $(bin_SCRIPTS)
# INSTALL is a special case. Automake seems to have a single name space
# for both targets and variables. If we just use INSTALL, then the var
# $(INSTALL) is not defined, and the install target fails.
MAKEINFO = @MAKEINFO@ --no-headers --no-validate --no-split
-MAINTAINERCLEANFILES = acversion.m4 INSTALL.txt
+MAINTAINERCLEANFILES = INSTALL.txt
edit = sed -e 's,@SHELL\@,$(SHELL),g' -e 's,@PERL\@,$(PERL),g' -e 's,@bindir\@,$(bindir),g' -e 's,@datadir\@,$(pkgdatadir),g' -e 's,@prefix\@,$(prefix),g' -e 's,@autoconf-name\@,'`echo autoconf | sed '$(transform)'`',g' -e 's,@autoheader-name\@,'`echo autoheader | sed '$(transform)'`',g' -e 's,@autom4te-name\@,'`echo autom4te | sed '$(transform)'`',g' -e 's,@M4\@,$(M4),g' -e 's,@AWK\@,$(AWK),g' -e 's,@VERSION\@,$(VERSION),g' -e 's,@PACKAGE_NAME\@,$(PACKAGE_NAME),g'
CONFIG_CLEAN_FILES =
SCRIPTS = $(bin_SCRIPTS)
-DATA = $(pkgdata_DATA)
-
DIST_COMMON = README AUTHORS COPYING ChangeLog INSTALL Makefile.am \
Makefile.in NEWS README-alpha THANKS TODO aclocal.m4 configure \
configure.ac
GZIP_ENV = --best
all: all-redirect
.SUFFIXES:
-.SUFFIXES: .m4 .m4f
$(srcdir)/Makefile.in: Makefile.am $(top_srcdir)/configure.ac $(ACLOCAL_M4)
cd $(top_srcdir) && $(AUTOMAKE) --gnu Makefile
rm -f $(DESTDIR)$(bindir)/`echo $$p|sed '$(transform)'`; \
done
-install-pkgdataDATA: $(pkgdata_DATA)
- @$(NORMAL_INSTALL)
- $(mkinstalldirs) $(DESTDIR)$(pkgdatadir)
- @list='$(pkgdata_DATA)'; for p in $$list; do \
- if test -f $(srcdir)/$$p; then \
- echo " $(INSTALL_DATA) $(srcdir)/$$p $(DESTDIR)$(pkgdatadir)/$$p"; \
- $(INSTALL_DATA) $(srcdir)/$$p $(DESTDIR)$(pkgdatadir)/$$p; \
- else if test -f $$p; then \
- echo " $(INSTALL_DATA) $$p $(DESTDIR)$(pkgdatadir)/$$p"; \
- $(INSTALL_DATA) $$p $(DESTDIR)$(pkgdatadir)/$$p; \
- fi; fi; \
- done
-
-uninstall-pkgdataDATA:
- @$(NORMAL_UNINSTALL)
- list='$(pkgdata_DATA)'; for p in $$list; do \
- rm -f $(DESTDIR)$(pkgdatadir)/$$p; \
- done
-
# This directory's subdirectories are mostly independent; you can cd
# into them and run `make' without going through this Makefile.
# To change the values of `make' variables: instead of editing Makefiles,
distdir=`cd $(distdir) && pwd`; \
cd $(top_srcdir) \
&& $(AUTOMAKE) --include-deps --build-dir=$$here --srcdir-name=$(top_srcdir) --output-dir=$$top_distdir --gnu Makefile
- $(mkinstalldirs) $(distdir)/$(srcdir)
@for file in $(DISTFILES); do \
d=$(srcdir); \
if test -d $$d/$$file; then \
install-exec-am: install-binSCRIPTS
install-exec: install-exec-recursive
-install-data-am: install-pkgdataDATA
+install-data-am:
@$(NORMAL_INSTALL)
$(MAKE) $(AM_MAKEFLAGS) install-data-hook
install-data: install-data-recursive
install-am: all-am
@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
install: install-recursive
-uninstall-am: uninstall-binSCRIPTS uninstall-pkgdataDATA
+uninstall-am: uninstall-binSCRIPTS
uninstall: uninstall-recursive
-all-am: Makefile $(SCRIPTS) $(DATA)
+all-am: Makefile $(SCRIPTS)
all-redirect: all-recursive
install-strip:
$(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
installdirs: installdirs-recursive
installdirs-am:
- $(mkinstalldirs) $(DESTDIR)$(bindir) $(DESTDIR)$(pkgdatadir)
+ $(mkinstalldirs) $(DESTDIR)$(bindir)
mostlyclean-generic:
maintainer-clean: maintainer-clean-recursive
-rm -f config.status
-.PHONY: uninstall-binSCRIPTS install-binSCRIPTS uninstall-pkgdataDATA \
-install-pkgdataDATA install-data-recursive uninstall-data-recursive \
-install-exec-recursive uninstall-exec-recursive installdirs-recursive \
-uninstalldirs-recursive all-recursive check-recursive \
-installcheck-recursive info-recursive dvi-recursive \
-mostlyclean-recursive distclean-recursive clean-recursive \
+.PHONY: uninstall-binSCRIPTS install-binSCRIPTS install-data-recursive \
+uninstall-data-recursive install-exec-recursive \
+uninstall-exec-recursive installdirs-recursive uninstalldirs-recursive \
+all-recursive check-recursive installcheck-recursive info-recursive \
+dvi-recursive mostlyclean-recursive distclean-recursive clean-recursive \
maintainer-clean-recursive tags tags-recursive mostlyclean-tags \
distclean-tags clean-tags maintainer-clean-tags distdir info-am info \
dvi-am dvi check check-am installcheck-am installcheck install-exec-am \
installdirs mostlyclean-generic distclean-generic clean-generic \
maintainer-clean-generic clean mostlyclean distclean maintainer-clean
-
-# - acversion.m4 needs to be updated only once, since it depends on
-# configure.ac, not on the results of a 'configure' run.
-# - It is guaranteed (with GNU Make) that when the version in configure.ac
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-# propagated to the Makefile. (Libtool uses the same guarantee.)
-
-$(srcdir)/acversion.m4: $(srcdir)/acversion.in $(srcdir)/configure.ac
- sed 's,@VERSION\@,$(VERSION),g' $(srcdir)/acversion.in >acversion.tm4
- mv acversion.tm4 $(srcdir)/acversion.m4
INSTALL.txt: $(top_srcdir)/doc/install.texi
$(MAKEINFO) $(top_srcdir)/doc/install.texi --output=$(srcdir)/INSTALL.txt
cp $(srcdir)/INSTALL.txt $(srcdir)/INSTALL
@$(NORMAL_INSTALL)
@list='INSTALL'; for p in $$list; do \
if test -f "$$p.txt"; then d= ; else d="$(srcdir)/"; fi; \
- f="`echo $$p | sed -e 's|^.*/||'`"; \
+ f=`echo $$p | sed -e 's,^.*/,,'`; \
+ $(mkinstalldirs) $(DESTDIR)$(pkgdatadir) ; \
echo " $(INSTALL_DATA) $$d$$p.txt $(DESTDIR)$(pkgdatadir)/$$f"; \
$(INSTALL_DATA) $$d$$p.txt $(DESTDIR)$(pkgdatadir)/$$f; \
done
chmod +x autom4te.tmp
mv autom4te.tmp autom4te
-# When processing the file with diversion disabled, there must be no
-# output but comments and empty lines.
-# If freezing produces output, something went wrong: a bad `divert',
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-.m4.m4f:
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- sed 's/#.*//;/^$$/d' >process.log
- if grep . error.log >/dev/null 2>&1; then \
- echo "ERROR: Processing $(srcdir)/$*.m4 produced errors:" >&2; \
- sed "s,^,$(srcdir)/$*.m4: ," <error.log >&2; \
- echo >&2; \
- exit 1; \
- else \
- rm -f error.log; \
- fi
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- echo >&2; \
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- rm -f process.log; \
- fi
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- if grep . freeze.log >/dev/null 2>&1; then \
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- sed "s,^,$(srcdir)/$*.m4: ," <freeze.log >&2; \
- echo >&2; \
- exit 1; \
- else \
- rm -f freeze.log; \
- fi
-
-autoconf.m4f: $(m4sources)
-
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:
+++ /dev/null
-# acfunctions -- autoscan's mapping from functions to Autoconf macros
-# Copyright 1992, 1993, 1994, 1996, 1999, 2000, 2001
-# Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-
-# Ones that have their own macros.
-alloca AC_FUNC_ALLOCA
-bcmp AC_HEADER_STDC
-bcopy AC_HEADER_STDC
-bzero AC_HEADER_STDC
-bzero AC_CHECK_FUNCS
-chown AC_FUNC_CHOWN
-error AC_FUNC_ERROR_AT_LINE
-error_at_line AC_FUNC_ERROR_AT_LINE
-fnmatch AC_FUNC_FNMATCH
-fork AC_FUNC_FORK
-fseeko AC_FUNC_FSEEKO
-ftello AC_FUNC_FSEEKO
-getgroups AC_FUNC_GETGROUPS
-getloadavg AC_FUNC_GETLOADAVG
-getpgrp AC_FUNC_GETPGRP
-index AC_HEADER_STDC
-ioctl AC_PROG_GCC_TRADITIONAL
-lstat AC_FUNC_LSTAT
-major AC_HEADER_MAJOR
-malloc AC_FUNC_MALLOC
-makedev AC_HEADER_MAJOR
-memchr AC_HEADER_STDC
-memchr AC_CHECK_FUNCS
-memcmp AC_FUNC_MEMCMP
-memcpy AC_HEADER_STDC
-memmove AC_HEADER_STDC
-memmove AC_CHECK_FUNCS
-memset AC_HEADER_STDC
-memset AC_CHECK_FUNCS
-minor AC_HEADER_MAJOR
-mktime AC_FUNC_MKTIME
-mmap AC_FUNC_MMAP
-obstack_init AC_FUNC_OBSTACK
-rindex AC_HEADER_STDC
-setpgrp AC_FUNC_SETPGRP
-setvbuf AC_FUNC_SETVBUF_REVERSED
-signal AC_TYPE_SIGNAL
-stat AC_FUNC_STAT
-strcoll AC_FUNC_STRCOLL
-strerror_r AC_FUNC_STRERROR_R
-strftime AC_FUNC_STRFTIME
-strtod AC_FUNC_STRTOD
-utime AC_FUNC_UTIME_NULL
-utime AC_CHECK_FUNCS
-vfork AC_FUNC_FORK
-vfprintf AC_FUNC_VPRINTF
-vprintf AC_FUNC_VPRINTF
-vsprintf AC_FUNC_VPRINTF
-wait3 AC_FUNC_WAIT3
-
-# Others, checked with AC_CHECK_FUNCS.
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-__argz_next
-__argz_stringify
-__fpending
-acl
-alarm
-atexit
-btowc
-clock_gettime
-dcgettext
-doprnt
-dup2
-endgrent
-endpwent
-euidaccess
-fchdir
-fdatasync
-fesetround
-floor
-fs_stat_dev
-ftime
-ftruncate
-getcwd
-getdelim
-gethostbyaddr
-gethostbyname
-gethostname
-gethrtime
-getmntent
-getmntinfo
-getpagesize
-getpass
-getspnam
-gettimeofday
-getusershell
-getwd
-hasmntopt
-inet_ntoa
-isascii
-iswprint
-lchown
-listmntent
-localeconv
-localtime_r
-mblen
-mbrlen
-mbrtowc
-mempcpy
-mkdir
-mkfifo
-modf
-munmap
-next_dev
-nl_langinfo
-pathconf
-pow
-pstat_getdynamic
-putenv
-re_comp
-realpath
-regcmp
-regcomp
-resolvepath
-rint
-rmdir
-rpmatch
-select
-setenv
-sethostname
-setlocale
-socket
-sqrt
-stime
-stpcpy
-strcasecmp
-strchr
-strcspn
-strdup
-strerror
-strncasecmp
-strndup
-strnlen
-strpbrk
-strrchr
-strspn
-strstr
-strtol
-strtoul
-strtoull
-strtoumax
-strverscmp
-sysinfo
-tzset
-uname
-utmpname
-utmpxname
-wcwidth
-
-# Local Variables:
-# mode: shell-script
-# End:
+++ /dev/null
-# This file is part of Autoconf. -*- Autoconf -*-
-# Checking for functions.
-# Copyright 2000, 2001
-# Free Software Foundation, Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-#
-# As a special exception, the Free Software Foundation gives unlimited
-# permission to copy, distribute and modify the configure scripts that
-# are the output of Autoconf. You need not follow the terms of the GNU
-# General Public License when using or distributing such scripts, even
-# though portions of the text of Autoconf appear in them. The GNU
-# General Public License (GPL) does govern all other use of the material
-# that constitutes the Autoconf program.
-#
-# Certain portions of the Autoconf source text are designed to be copied
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-# Autoconf. We call these the "data" portions. The rest of the Autoconf
-# source text consists of comments plus executable code that decides which
-# of the data portions to output in any given case. We call these
-# comments and executable code the "non-data" portions. Autoconf never
-# copies any of the non-data portions into its output.
-#
-# This special exception to the GPL applies to versions of Autoconf
-# released by the Free Software Foundation. When you make and
-# distribute a modified version of Autoconf, you may extend this special
-# exception to the GPL to apply to your modified version as well, *unless*
-# your modified version has the potential to copy into its output some
-# of the text that was the non-data portion of the version that you started
-# with. (In other words, unless your change moves or copies text from
-# the non-data portions to the data portions.) If your modification has
-# such potential, you must delete any notice of this special exception
-# to the GPL from your modified version.
-#
-# Written by David MacKenzie, with help from
-# Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
-# Roland McGrath, Noah Friedman, david d zuhn, and many others.
-
-
-# Table of contents
-#
-# 1. Generic tests for functions.
-# 2. Tests for specific functions.
-
-
-## -------------------------------- ##
-## 1. Generic tests for functions. ##
-## -------------------------------- ##
-
-
-# AC_CHECK_FUNC(FUNCTION, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# -----------------------------------------------------------------
-AC_DEFUN([AC_CHECK_FUNC],
-[AS_VAR_PUSHDEF([ac_var], [ac_cv_func_$1])dnl
-AC_CACHE_CHECK([for $1], ac_var,
-[AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([$1])],
- [AS_VAR_SET(ac_var, yes)],
- [AS_VAR_SET(ac_var, no)])])
-AS_IF([test AS_VAR_GET(ac_var) = yes], [$2], [$3])dnl
-AS_VAR_POPDEF([ac_var])dnl
-])# AC_CHECK_FUNC
-
-
-# AC_CHECK_FUNCS(FUNCTION..., [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# ---------------------------------------------------------------------
-AC_DEFUN([AC_CHECK_FUNCS],
-[AC_FOREACH([AC_Func], [$1],
- [AH_TEMPLATE(AS_TR_CPP(HAVE_[]AC_Func),
- [Define if you have the `]AC_Func[' function.])])dnl
-for ac_func in $1
-do
-AC_CHECK_FUNC($ac_func,
- [AC_DEFINE_UNQUOTED([AS_TR_CPP([HAVE_$ac_func])]) $2],
- [$3])dnl
-done
-])
-
-
-# AC_REPLACE_FUNCS(FUNCTION...)
-# -----------------------------
-AC_DEFUN([AC_REPLACE_FUNCS],
-[AC_FOREACH([AC_Func], [$1], [AC_LIBSOURCE(AC_Func.c)])dnl
-AC_CHECK_FUNCS([$1], , [_AC_LIBOBJ($ac_func)])
-])
-
-
-# AU::AC_FUNC_CHECK
-# -----------------
-AU_ALIAS([AC_FUNC_CHECK], [AC_CHECK_FUNC])
-
-
-# AU::AC_HAVE_FUNCS
-# -----------------
-AU_ALIAS([AC_HAVE_FUNCS], [AC_CHECK_FUNCS])
-
-
-
-
-## --------------------------------- ##
-## 2. Tests for specific functions. ##
-## --------------------------------- ##
-
-
-# The macros are sorted:
-#
-# 1. AC_FUNC_* macros are sorted by alphabetical order.
-#
-# 2. Helping macros such as _AC_LIBOBJ_* are before the macro that
-# uses it.
-#
-# 3. Obsolete macros are right after the modern macro.
-
-
-
-# _AC_LIBOBJ_ALLOCA
-# -----------------
-# Set up the LIBOBJ replacement of `alloca'. Well, not exactly
-# AC_LIBOBJ since we actually set the output variable `ALLOCA'.
-# Nevertheless, for Automake, AC_LIBSOURCES it.
-m4_define([_AC_LIBOBJ_ALLOCA],
-[# The SVR3 libPW and SVR4 libucb both contain incompatible functions
-# that cause trouble. Some versions do not even contain alloca or
-# contain a buggy version. If you still want to use their alloca,
-# use ar to extract alloca.o from them instead of compiling alloca.c.
-AC_LIBSOURCES(alloca.c)
-AC_SUBST(ALLOCA, alloca.$ac_objext)dnl
-AC_DEFINE(C_ALLOCA, 1, [Define if using `alloca.c'.])
-
-AC_CACHE_CHECK(whether `alloca.c' needs Cray hooks, ac_cv_os_cray,
-[AC_EGREP_CPP(webecray,
-[#if defined(CRAY) && ! defined(CRAY2)
-webecray
-#else
-wenotbecray
-#endif
-], ac_cv_os_cray=yes, ac_cv_os_cray=no)])
-if test $ac_cv_os_cray = yes; then
- for ac_func in _getb67 GETB67 getb67; do
- AC_CHECK_FUNC($ac_func,
- [AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func,
- [Define to one of `_getb67', `GETB67',
- `getb67' for Cray-2 and Cray-YMP
- systems. This function is required for
- `alloca.c' support on those systems.])
- break])
- done
-fi
-
-AC_CACHE_CHECK([stack direction for C alloca],
- [ac_cv_c_stack_direction],
-[AC_RUN_IFELSE([AC_LANG_SOURCE(
-[int
-find_stack_direction ()
-{
- static char *addr = 0;
- auto char dummy;
- if (addr == 0)
- {
- addr = &dummy;
- return find_stack_direction ();
- }
- else
- return (&dummy > addr) ? 1 : -1;
-}
-
-int
-main ()
-{
- exit (find_stack_direction () < 0);
-}])],
- [ac_cv_c_stack_direction=1],
- [ac_cv_c_stack_direction=-1],
- [ac_cv_c_stack_direction=0])])
-AH_VERBATIM([STACK_DIRECTION],
-[/* If using the C implementation of alloca, define if you know the
- direction of stack growth for your system; otherwise it will be
- automatically deduced at run-time.
- STACK_DIRECTION > 0 => grows toward higher addresses
- STACK_DIRECTION < 0 => grows toward lower addresses
- STACK_DIRECTION = 0 => direction of growth unknown */
-@%:@undef STACK_DIRECTION])dnl
-AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction)
-])# _AC_LIBOBJ_ALLOCA
-
-
-# AC_FUNC_ALLOCA
-# --------------
-AC_DEFUN([AC_FUNC_ALLOCA],
-[# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
-# for constant arguments. Useless!
-AC_CACHE_CHECK([for working alloca.h], ac_cv_working_alloca_h,
-[AC_TRY_LINK([@%:@include <alloca.h>],
- [char *p = (char *) alloca (2 * sizeof (int));],
- ac_cv_working_alloca_h=yes, ac_cv_working_alloca_h=no)])
-if test $ac_cv_working_alloca_h = yes; then
- AC_DEFINE(HAVE_ALLOCA_H, 1,
- [Define if you have <alloca.h> and it should be used
- (not on Ultrix).])
-fi
-
-AC_CACHE_CHECK([for alloca], ac_cv_func_alloca_works,
-[AC_TRY_LINK(
-[#ifdef __GNUC__
-# define alloca __builtin_alloca
-#else
-# ifdef _MSC_VER
-# include <malloc.h>
-# define alloca _alloca
-# else
-# if HAVE_ALLOCA_H
-# include <alloca.h>
-# else
-# ifdef _AIX
- #pragma alloca
-# else
-# ifndef alloca /* predefined by HP cc +Olibcalls */
-char *alloca ();
-# endif
-# endif
-# endif
-# endif
-#endif
-], [char *p = (char *) alloca (1);],
- ac_cv_func_alloca_works=yes, ac_cv_func_alloca_works=no)])
-
-if test $ac_cv_func_alloca_works = yes; then
- AC_DEFINE(HAVE_ALLOCA, 1,
- [Define if you have `alloca', as a function or macro.])
-else
- _AC_LIBOBJ_ALLOCA
-fi
-])# AC_FUNC_ALLOCA
-
-
-# AU::AC_ALLOCA
-# -------------
-AU_ALIAS([AC_ALLOCA], [AC_FUNC_ALLOCA])
-
-
-# AC_FUNC_CHOWN
-# -------------
-# Determine whether chown accepts arguments of -1 for uid and gid.
-AC_DEFUN([AC_FUNC_CHOWN],
-[AC_REQUIRE([AC_TYPE_UID_T])dnl
-AC_CHECK_HEADERS(unistd.h)
-AC_CACHE_CHECK([for working chown], ac_cv_func_chown_works,
-[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
-#include <fcntl.h>
-],
-[[ char *f = "conftest.chown";
- struct stat before, after;
-
- if (creat (f, 0600) < 0)
- exit (1);
- if (stat (f, &before) < 0)
- exit (1);
- if (chown (f, (uid_t) -1, (gid_t) -1) == -1)
- exit (1);
- if (stat (f, &after) < 0)
- exit (1);
- exit ((before.st_uid == after.st_uid
- && before.st_gid == after.st_gid) ? 0 : 1);
-]])],
- [ac_cv_func_chown_works=yes],
- [ac_cv_func_chown_works=no],
- [ac_cv_func_chown_works=no])
-rm -f conftest.chown
-])
-if test $ac_cv_func_chown_works = yes; then
- AC_DEFINE(HAVE_CHOWN, 1,
- [Define if your system has a working `chown' function.])
-fi
-])# AC_FUNC_CHOWN
-
-
-# AC_FUNC_CLOSEDIR_VOID
-# ---------------------
-# Check whether closedir returns void, and #define CLOSEDIR_VOID in
-# that case.
-AC_DEFUN([AC_FUNC_CLOSEDIR_VOID],
-[AC_REQUIRE([AC_HEADER_DIRENT])dnl
-AC_CACHE_CHECK([whether closedir returns void],
- [ac_cv_func_closedir_void],
-[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
-#include <$ac_header_dirent>
-#ifndef __cplusplus
-int closedir ();
-#endif
-],
- [[exit (closedir (opendir (".")) != 0);]])],
- [ac_cv_func_closedir_void=no],
- [ac_cv_func_closedir_void=yes],
- [ac_cv_func_closedir_void=yes])])
-if test $ac_cv_func_closedir_void = yes; then
- AC_DEFINE(CLOSEDIR_VOID, 1,
- [Define if the `closedir' function returns void instead of `int'.])
-fi
-])
-
-
-# AC_FUNC_ERROR_AT_LINE
-# ---------------------
-AC_DEFUN([AC_FUNC_ERROR_AT_LINE],
-[AC_LIBSOURCES([error.h, error.c])dnl
-AC_CACHE_CHECK([for error_at_line], ac_cv_lib_error_at_line,
-[AC_TRY_LINK([],[error_at_line (0, 0, "", 0, "");],
- [ac_cv_lib_error_at_line=yes],
- [ac_cv_lib_error_at_line=no])])
-if test $ac_cv_lib_error_at_line = no; then
- AC_LIBOBJ(error)
-fi
-])
-
-
-# AU::AM_FUNC_ERROR_AT_LINE
-# -------------------------
-AU_ALIAS([AM_FUNC_ERROR_AT_LINE], [AC_FUNC_ERROR_AT_LINE])
-
-
-# AC_FUNC_FNMATCH
-# ---------------
-# We look for fnmatch.h to avoid that the test fails in C++.
-AC_DEFUN([AC_FUNC_FNMATCH],
-[AC_CACHE_CHECK([for working GNU-style fnmatch],
- [ac_cv_func_fnmatch_works],
-# Some versions of Solaris, SCO, and the GNU C Library
-# have a broken or incompatible fnmatch.
-# So we run a test program. If we are cross-compiling, take no chance.
-# Thanks to John Oleynick, Franc,ois Pinard, and Paul Eggert for this test.
-[AC_RUN_IFELSE([AC_LANG_PROGRAM([@%:@include <fnmatch.h>],
- [exit (fnmatch ("a*", "abc", 0) != 0
- || fnmatch ("d*/*1", "d/s/1", FNM_FILE_NAME) != FNM_NOMATCH
- || fnmatch ("*", "x", FNM_FILE_NAME | FNM_LEADING_DIR) != 0
- || fnmatch ("x*", "x/y/z", FNM_FILE_NAME | FNM_LEADING_DIR) != 0
- || fnmatch ("*c*", "c/x", FNM_FILE_NAME | FNM_LEADING_DIR) != 0);])],
- [ac_cv_func_fnmatch_works=yes],
- [ac_cv_func_fnmatch_works=no],
- [ac_cv_func_fnmatch_works=no])])
-if test $ac_cv_func_fnmatch_works = yes; then
- AC_DEFINE(HAVE_FNMATCH, 1,
- [Define if your system has a working `fnmatch' function.])
-fi
-])# AC_FUNC_FNMATCH
-
-
-# AU::AM_FUNC_FNMATCH
-# AU::fp_FUNC_FNMATCH
-# -------------------
-AU_ALIAS([AM_FUNC_FNMATCH], [AC_FUNC_FNMATCH])
-AU_ALIAS([fp_FUNC_FNMATCH], [AC_FUNC_FNMATCH])
-
-
-# AC_FUNC_FSEEKO
-# --------------
-AC_DEFUN([AC_FUNC_FSEEKO],
-[_AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE, 1,
- [ac_cv_sys_largefile_source],
- [Define to make fseeko visible on some hosts (e.g. glibc 2.2).],
- [@%:@include <stdio.h>], [return !fseeko;])
-
-# We used to try defining _XOPEN_SOURCE=500 too, to work around a bug
-# in glibc 2.1.3, but that breaks too many other things.
-# If you want fseeko and ftello with glibc, upgrade to a fixed glibc.
-AC_CACHE_CHECK([for fseeko], [ac_cv_func_fseeko],
- [AC_TRY_LINK([@%:@include <stdio.h>],
- [return fseeko && fseeko (stdin, 0, 0);],
- [ac_cv_func_fseeko=yes],
- [ac_cv_func_fseeko=no])])
-if test $ac_cv_func_fseeko = yes; then
- AC_DEFINE(HAVE_FSEEKO, 1,
- [Define if fseeko (and presumably ftello) exists and is declared.])
-fi
-])# AC_FUNC_FSEEKO
-
-
-# AC_FUNC_GETGROUPS
-# -----------------
-# Try to find `getgroups', and check that it works.
-# When crosscompiling, assume getgroups is broken.
-AC_DEFUN([AC_FUNC_GETGROUPS],
-[AC_REQUIRE([AC_TYPE_GETGROUPS])dnl
-AC_REQUIRE([AC_TYPE_SIZE_T])dnl
-AC_CHECK_FUNC(getgroups)
-
-# If we don't yet have getgroups, see if it's in -lbsd.
-# This is reported to be necessary on an ITOS 3000WS running SEIUX 3.1.
-ac_save_LIBS=$LIBS
-if test $ac_cv_func_getgroups = no; then
- AC_CHECK_LIB(bsd, getgroups, [GETGROUPS_LIB=-lbsd])
-fi
-
-# Run the program to test the functionality of the system-supplied
-# getgroups function only if there is such a function.
-if test $ac_cv_func_getgroups = yes; then
- AC_CACHE_CHECK([for working getgroups], ac_cv_func_getgroups_works,
- [AC_RUN_IFELSE([AC_LANG_PROGRAM([],
- [[/* On Ultrix 4.3, getgroups (0, 0) always fails. */
- exit (getgroups (0, 0) == -1 ? 1 : 0);]])],
- [ac_cv_func_getgroups_works=yes],
- [ac_cv_func_getgroups_works=no],
- [ac_cv_func_getgroups_works=no])
- ])
- if test $ac_cv_func_getgroups_works = yes; then
- AC_DEFINE(HAVE_GETGROUPS, 1,
- [Define if your system has a working `getgroups' function.])
- fi
-fi
-LIBS=$ac_save_LIBS
-])# AC_FUNC_GETGROUPS
-
-
-# _AC_LIBOBJ_GETLOADAVG
-# ---------------------
-# Set up the AC_LIBOBJ replacement of `getloadavg'.
-m4_define([_AC_LIBOBJ_GETLOADAVG],
-[AC_LIBOBJ(getloadavg)
-AC_DEFINE(C_GETLOADAVG, 1, [Define if using `getloadavg.c'.])
-# Figure out what our getloadavg.c needs.
-ac_have_func=no
-AC_CHECK_HEADER(sys/dg_sys_info.h,
-[ac_have_func=yes
- AC_DEFINE(DGUX, 1, [Define for DGUX with <sys/dg_sys_info.h>.])
- AC_CHECK_LIB(dgc, dg_sys_info)])
-
-AC_CHECK_HEADER(locale.h)
-AC_CHECK_FUNCS(setlocale)
-
-# We cannot check for <dwarf.h>, because Solaris 2 does not use dwarf (it
-# uses stabs), but it is still SVR4. We cannot check for <elf.h> because
-# Irix 4.0.5F has the header but not the library.
-if test $ac_have_func = no && test "$ac_cv_lib_elf_elf_begin" = yes; then
- ac_have_func=yes
- AC_DEFINE(SVR4, 1, [Define on System V Release 4.])
-fi
-
-if test $ac_have_func = no; then
- AC_CHECK_HEADER(inq_stats/cpustats.h,
- [ac_have_func=yes
- AC_DEFINE(UMAX, 1, [Define for Encore UMAX.])
- AC_DEFINE(UMAX4_3, 1,
- [Define for Encore UMAX 4.3 that has <inq_status/cpustats.h>
- instead of <sys/cpustats.h>.])])
-fi
-
-if test $ac_have_func = no; then
- AC_CHECK_HEADER(sys/cpustats.h,
- [ac_have_func=yes; AC_DEFINE(UMAX)])
-fi
-
-if test $ac_have_func = no; then
- AC_CHECK_HEADERS(mach/mach.h)
-fi
-
-AC_CHECK_HEADERS(nlist.h,
-[AC_CHECK_MEMBERS([struct nlist.n_un.n_name],
- [AC_DEFINE(NLIST_NAME_UNION, 1,
- [Define if your `struct nlist' has an
- `n_un' member. Obsolete, depend on
- `HAVE_STRUCT_NLIST_N_UN_N_NAME])], [],
- [@%:@include <nlist.h>])
-])dnl
-])# _AC_LIBOBJ_GETLOADAVG
-
-
-# AC_FUNC_GETLOADAVG
-# ------------------
-AC_DEFUN([AC_FUNC_GETLOADAVG],
-[ac_have_func=no # yes means we've found a way to get the load average.
-
-ac_save_LIBS=$LIBS
-
-# Check for getloadavg, but be sure not to touch the cache variable.
-(AC_CHECK_FUNC(getloadavg, exit 0, exit 1)) && ac_have_func=yes
-
-# On HPUX9, an unprivileged user can get load averages through this function.
-AC_CHECK_FUNCS(pstat_getdynamic)
-
-# Solaris has libkstat which does not require root.
-AC_CHECK_LIB(kstat, kstat_open)
-test $ac_cv_lib_kstat_kstat_open = yes && ac_have_func=yes
-
-# Some systems with -lutil have (and need) -lkvm as well, some do not.
-# On Solaris, -lkvm requires nlist from -lelf, so check that first
-# to get the right answer into the cache.
-# For kstat on solaris, we need libelf to force the definition of SVR4 below.
-if test $ac_have_func = no; then
- AC_CHECK_LIB(elf, elf_begin, LIBS="-lelf $LIBS")
-fi
-if test $ac_have_func = no; then
- AC_CHECK_LIB(kvm, kvm_open, LIBS="-lkvm $LIBS")
- # Check for the 4.4BSD definition of getloadavg.
- AC_CHECK_LIB(util, getloadavg,
- [LIBS="-lutil $LIBS" ac_have_func=yes ac_cv_func_getloadavg_setgid=yes])
-fi
-
-if test $ac_have_func = no; then
- # There is a commonly available library for RS/6000 AIX.
- # Since it is not a standard part of AIX, it might be installed locally.
- ac_getloadavg_LIBS=$LIBS
- LIBS="-L/usr/local/lib $LIBS"
- AC_CHECK_LIB(getloadavg, getloadavg,
- [LIBS="-lgetloadavg $LIBS"], [LIBS=$ac_getloadavg_LIBS])
-fi
-
-# Make sure it is really in the library, if we think we found it,
-# otherwise set up the replacement function.
-AC_CHECK_FUNCS(getloadavg, [],
- [_AC_LIBOBJ_GETLOADAVG])
-
-# Some definitions of getloadavg require that the program be installed setgid.
-dnl FIXME: Don't hardwire the path of getloadavg.c in the top-level directory.
-AC_CACHE_CHECK(whether getloadavg requires setgid,
- ac_cv_func_getloadavg_setgid,
-[AC_EGREP_CPP([Yowza Am I SETGID yet],
-[#include "$srcdir/getloadavg.c"
-#ifdef LDAV_PRIVILEGED
-Yowza Am I SETGID yet
-@%:@endif],
- ac_cv_func_getloadavg_setgid=yes,
- ac_cv_func_getloadavg_setgid=no)])
-if test $ac_cv_func_getloadavg_setgid = yes; then
- NEED_SETGID=true
- AC_DEFINE(GETLOADAVG_PRIVILEGED, 1,
- [Define if the `getloadavg' function needs to be run setuid
- or setgid.])
-else
- NEED_SETGID=false
-fi
-AC_SUBST(NEED_SETGID)dnl
-
-if test $ac_cv_func_getloadavg_setgid = yes; then
- AC_CACHE_CHECK(group of /dev/kmem, ac_cv_group_kmem,
-[ # On Solaris, /dev/kmem is a symlink. Get info on the real file.
- ac_ls_output=`ls -lgL /dev/kmem 2>/dev/null`
- # If we got an error (system does not support symlinks), try without -L.
- test -z "$ac_ls_output" && ac_ls_output=`ls -lg /dev/kmem`
- ac_cv_group_kmem=`echo $ac_ls_output \
- | sed -ne ['s/[ ][ ]*/ /g;
- s/^.[sSrwx-]* *[0-9]* *\([^0-9]*\) *.*/\1/;
- / /s/.* //;p;']`
-])
- AC_SUBST(KMEM_GROUP, $ac_cv_group_kmem)dnl
-fi
-if test "x$ac_save_LIBS" = x; then
- GETLOADAVG_LIBS=$LIBS
-else
- GETLOADAVG_LIBS=`echo "$LIBS" | sed "s!$ac_save_LIBS!!"`
-fi
-LIBS=$ac_save_LIBS
-
-AC_SUBST(GETLOADAVG_LIBS)dnl
-])# AC_FUNC_GETLOADAVG
-
-
-# AU::AC_GETLOADAVG
-# -----------------
-AU_ALIAS([AC_GETLOADAVG], [AC_FUNC_GETLOADAVG])
-
-
-# AC_FUNC_GETMNTENT
-# -----------------
-AC_DEFUN([AC_FUNC_GETMNTENT],
-[# getmntent is in -lsun on Irix 4, -lseq on Dynix/PTX, -lgen on Unixware.
-AC_CHECK_LIB(sun, getmntent, LIBS="-lsun $LIBS",
- [AC_CHECK_LIB(seq, getmntent, LIBS="-lseq $LIBS",
- [AC_CHECK_LIB(gen, getmntent, LIBS="-lgen $LIBS")])])
-AC_CHECK_FUNC(getmntent,
- [AC_DEFINE(HAVE_GETMNTENT, 1,
- [Define if you have the `getmntent' function.])])])
-
-
-# _AC_FUNC_GETPGRP_TEST
-# ---------------------
-# A program that exits with success iff `getpgrp' seems to ignore its
-# argument.
-m4_define([_AC_FUNC_GETPGRP_TEST],
-[AC_LANG_SOURCE([AC_INCLUDES_DEFAULT]
-[[
-/*
- * If this system has a BSD-style getpgrp(),
- * which takes a pid argument, exit unsuccessfully.
- *
- * Snarfed from Chet Ramey's bash pgrp.c test program
- */
-
-int pid;
-int pg1, pg2, pg3, pg4;
-int ng, np, s, child;
-
-int
-main ()
-{
- pid = getpid ();
- pg1 = getpgrp (0);
- pg2 = getpgrp ();
- pg3 = getpgrp (pid);
- pg4 = getpgrp (1);
-
- /* If all of these values are the same, it's pretty sure that we're
- on a system that ignores getpgrp's first argument. */
- if (pg2 == pg4 && pg1 == pg3 && pg2 == pg3)
- exit (0);
-
- child = fork ();
- if (child < 0)
- exit(1);
- else if (child == 0)
- {
- np = getpid ();
- /* If this is Sys V, this will not work; pgrp will be set to np
- because setpgrp just changes a pgrp to be the same as the
- pid. */
- setpgrp (np, pg1);
- ng = getpgrp (0); /* Same result for Sys V and BSD */
- if (ng == pg1)
- exit (1);
- else
- exit (0);
- }
- else
- {
- wait (&s);
- exit (s>>8);
- }
-}]])
-])# _AC_FUNC_GETPGRP_TEST
-
-
-# AC_FUNC_GETPGRP
-# ---------------
-# Figure out whether getpgrp takes an argument or not. Try first using
-# prototypes (AC_COMPILE), and if the compiler is of no help, try a runtime
-# test.
-AC_DEFUN([AC_FUNC_GETPGRP],
-[AC_CACHE_CHECK(whether getpgrp takes no argument, ac_cv_func_getpgrp_void,
-[# Use it with a single arg.
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], [getpgrp (0);])],
- [ac_func_getpgrp_1=yes],
- [ac_func_getpgrp_1=no])
-# Use it with no arg.
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], [getpgrp ();])],
- [ac_func_getpgrp_0=yes],
- [ac_func_getpgrp_0=no])
-# If both static checks agree, we are done.
-case $ac_func_getpgrp_0:$ac_func_getpgrp_1 in
- yes:no) ac_cv_func_getpgrp_void=yes;;
- no:yes) ac_cv_func_getpgrp_void=false;;
- *) AC_RUN_IFELSE([_AC_FUNC_GETPGRP_TEST],
- [ac_cv_func_getpgrp_void=yes],
- [ac_cv_func_getpgrp_void=no],
- [AC_MSG_ERROR([cannot check getpgrp if cross compiling])]);;
-esac # $ac_func_getpgrp_0:$ac_func_getpgrp_1
-])
-if test $ac_cv_func_getpgrp_void = yes; then
- AC_DEFINE(GETPGRP_VOID, 1,
- [Define if the `getpgrp' function takes no argument.])
-fi
-])# AC_FUNC_GETPGRP
-
-
-# AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
-# -------------------------------------
-# When crosscompiling, be pessimistic so we will end up using the
-# replacement version of lstat that checkes for trailing slashes and
-# calls lstat a second time when necessary.
-AC_DEFUN([AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK],
-[AC_CACHE_CHECK(
- [whether lstat dereferences a symlink specified with a trailing slash],
- [ac_cv_func_lstat_dereferences_slashed_symlink],
-[rm -f conftest.sym conftest.file
-echo >conftest.file
-if ln -s conftest.file conftest.sym; then
- AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
- [struct stat sbuf;
- /* Linux will dereference the symlink and fail.
- That is better in the sense that it means we will not
- have to compile and use the lstat wrapper. */
- exit (lstat ("conftest.sym/", &sbuf) ? 0 : 1);])],
- [ac_cv_func_lstat_dereferences_slashed_symlink=yes],
- [ac_cv_func_lstat_dereferences_slashed_symlink=no],
- [ac_cv_func_lstat_dereferences_slashed_symlink=no])
-else
- # If the `ln -s' command failed, then we probably don't even
- # have an lstat function.
- ac_cv_func_lstat_dereferences_slashed_symlink=no
-fi
-rm -f conftest.sym conftest.file
-])
-
-test $ac_cv_func_lstat_dereferences_slashed_symlink = yes &&
- AC_DEFINE_UNQUOTED(LSTAT_FOLLOWS_SLASHED_SYMLINK, 1,
- [Define if `lstat' dereferences a symlink specified
- with a trailing slash.])
-
-if test $ac_cv_func_lstat_dereferences_slashed_symlink = no; then
- AC_LIBOBJ(lstat)
-fi
-])
-
-
-# AC_FUNC_MALLOC
-# --------------
-# Is `malloc (0)' properly handled?
-AC_DEFUN([AC_FUNC_MALLOC],
-[AC_REQUIRE([AC_HEADER_STDC])dnl
-AC_CHECK_HEADERS(stdlib.h)
-AC_CACHE_CHECK([for working malloc], ac_cv_func_malloc_works,
-[AC_RUN_IFELSE(
-[AC_LANG_PROGRAM(
-[[#if STDC_HEADERS || HAVE_STDLIB_H
-# include <stdlib.h>
-#else
-char *malloc ();
-#endif
-]],
- [exit (malloc (0) ? 0 : 1);])],
- [ac_cv_func_malloc_works=yes],
- [ac_cv_func_malloc_works=no],
- [ac_cv_func_malloc_works=no])])
-if test $ac_cv_func_malloc_works = yes; then
- AC_DEFINE(HAVE_MALLOC, 1,
- [Define if your system has a working `malloc' function.])
-fi
-])# AC_FUNC_MALLOC
-
-
-# AC_FUNC_MEMCMP
-# --------------
-AC_DEFUN([AC_FUNC_MEMCMP],
-[AC_CACHE_CHECK([for working memcmp], ac_cv_func_memcmp_working,
-[AC_RUN_IFELSE([AC_LANG_PROGRAM([], [[
- /* Some versions of memcmp are not 8-bit clean. */
- char c0 = 0x40, c1 = 0x80, c2 = 0x81;
- if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0)
- exit (1);
-
- /* The Next x86 OpenStep bug shows up only when comparing 16 bytes
- or more and with at least one buffer not starting on a 4-byte boundary.
- William Lewis provided this test program. */
- {
- char foo[21];
- char bar[21];
- int i;
- for (i = 0; i < 4; i++)
- {
- char *a = foo + i;
- char *b = bar + i;
- strcpy (a, "--------01111111");
- strcpy (b, "--------10000000");
- if (memcmp (a, b, 16) >= 0)
- exit (1);
- }
- exit (0);
- }
-]])],
- [ac_cv_func_memcmp_working=yes],
- [ac_cv_func_memcmp_working=no],
- [ac_cv_func_memcmp_working=no])])
-test $ac_cv_func_memcmp_working = no && AC_LIBOBJ([memcmp])
-])# AC_FUNC_MEMCMP
-
-
-# AC_FUNC_MKTIME
-# --------------
-AC_DEFUN([AC_FUNC_MKTIME],
-[AC_REQUIRE([AC_HEADER_TIME])dnl
-AC_CHECK_HEADERS(sys/time.h unistd.h)
-AC_CHECK_FUNCS(alarm)
-AC_CACHE_CHECK([for working mktime], ac_cv_func_working_mktime,
-[AC_RUN_IFELSE([AC_LANG_SOURCE(
-[[/* Test program from Paul Eggert and Tony Leneis. */
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#if !HAVE_ALARM
-# define alarm(X) /* empty */
-#endif
-
-/* Work around redefinition to rpl_putenv by other config tests. */
-#undef putenv
-
-static time_t time_t_max;
-
-/* Values we'll use to set the TZ environment variable. */
-static const char *const tz_strings[] = {
- (const char *) 0, "TZ=GMT0", "TZ=JST-9",
- "TZ=EST+3EDT+2,M10.1.0/00:00:00,M2.3.0/00:00:00"
-};
-#define N_STRINGS (sizeof (tz_strings) / sizeof (tz_strings[0]))
-
-/* Fail if mktime fails to convert a date in the spring-forward gap.
- Based on a problem report from Andreas Jaeger. */
-static void
-spring_forward_gap ()
-{
- /* glibc (up to about 1998-10-07) failed this test. */
- struct tm tm;
-
- /* Use the portable POSIX.1 specification "TZ=PST8PDT,M4.1.0,M10.5.0"
- instead of "TZ=America/Vancouver" in order to detect the bug even
- on systems that don't support the Olson extension, or don't have the
- full zoneinfo tables installed. */
- putenv ("TZ=PST8PDT,M4.1.0,M10.5.0");
-
- tm.tm_year = 98;
- tm.tm_mon = 3;
- tm.tm_mday = 5;
- tm.tm_hour = 2;
- tm.tm_min = 0;
- tm.tm_sec = 0;
- tm.tm_isdst = -1;
- if (mktime (&tm) == (time_t)-1)
- exit (1);
-}
-
-static void
-mktime_test (now)
- time_t now;
-{
- struct tm *lt;
- if ((lt = localtime (&now)) && mktime (lt) != now)
- exit (1);
- now = time_t_max - now;
- if ((lt = localtime (&now)) && mktime (lt) != now)
- exit (1);
-}
-
-static void
-irix_6_4_bug ()
-{
- /* Based on code from Ariel Faigon. */
- struct tm tm;
- tm.tm_year = 96;
- tm.tm_mon = 3;
- tm.tm_mday = 0;
- tm.tm_hour = 0;
- tm.tm_min = 0;
- tm.tm_sec = 0;
- tm.tm_isdst = -1;
- mktime (&tm);
- if (tm.tm_mon != 2 || tm.tm_mday != 31)
- exit (1);
-}
-
-static void
-bigtime_test (j)
- int j;
-{
- struct tm tm;
- time_t now;
- tm.tm_year = tm.tm_mon = tm.tm_mday = tm.tm_hour = tm.tm_min = tm.tm_sec = j;
- now = mktime (&tm);
- if (now != (time_t) -1)
- {
- struct tm *lt = localtime (&now);
- if (! (lt
- && lt->tm_year == tm.tm_year
- && lt->tm_mon == tm.tm_mon
- && lt->tm_mday == tm.tm_mday
- && lt->tm_hour == tm.tm_hour
- && lt->tm_min == tm.tm_min
- && lt->tm_sec == tm.tm_sec
- && lt->tm_yday == tm.tm_yday
- && lt->tm_wday == tm.tm_wday
- && ((lt->tm_isdst < 0 ? -1 : 0 < lt->tm_isdst)
- == (tm.tm_isdst < 0 ? -1 : 0 < tm.tm_isdst))))
- exit (1);
- }
-}
-
-int
-main ()
-{
- time_t t, delta;
- int i, j;
-
- /* This test makes some buggy mktime implementations loop.
- Give up after 60 seconds; a mktime slower than that
- isn't worth using anyway. */
- alarm (60);
-
- for (time_t_max = 1; 0 < time_t_max; time_t_max *= 2)
- continue;
- time_t_max--;
- delta = time_t_max / 997; /* a suitable prime number */
- for (i = 0; i < N_STRINGS; i++)
- {
- if (tz_strings[i])
- putenv (tz_strings[i]);
-
- for (t = 0; t <= time_t_max - delta; t += delta)
- mktime_test (t);
- mktime_test ((time_t) 60 * 60);
- mktime_test ((time_t) 60 * 60 * 24);
-
- for (j = 1; 0 < j; j *= 2)
- bigtime_test (j);
- bigtime_test (j - 1);
- }
- irix_6_4_bug ();
- spring_forward_gap ();
- exit (0);
-}]])],
- [ac_cv_func_working_mktime=yes],
- [ac_cv_func_working_mktime=no],
- [ac_cv_func_working_mktime=no])])
-if test $ac_cv_func_working_mktime = no; then
- AC_LIBOBJ([mktime])
-fi
-])# AC_FUNC_MKTIME
-
-
-# AU::AM_FUNC_MKTIME
-# ------------------
-AU_ALIAS([AM_FUNC_MKTIME], [AC_FUNC_MKTIME])
-
-
-# AC_FUNC_MMAP
-# ------------
-AC_DEFUN([AC_FUNC_MMAP],
-[AC_CHECK_HEADERS(stdlib.h unistd.h)
-AC_CHECK_FUNCS(getpagesize)
-AC_CACHE_CHECK(for working mmap, ac_cv_func_mmap_fixed_mapped,
-[AC_RUN_IFELSE([AC_LANG_SOURCE([AC_INCLUDES_DEFAULT]
-[[/* Thanks to Mike Haertel and Jim Avera for this test.
- Here is a matrix of mmap possibilities:
- mmap private not fixed
- mmap private fixed at somewhere currently unmapped
- mmap private fixed at somewhere already mapped
- mmap shared not fixed
- mmap shared fixed at somewhere currently unmapped
- mmap shared fixed at somewhere already mapped
- For private mappings, we should verify that changes cannot be read()
- back from the file, nor mmap's back from the file at a different
- address. (There have been systems where private was not correctly
- implemented like the infamous i386 svr4.0, and systems where the
- VM page cache was not coherent with the file system buffer cache
- like early versions of FreeBSD and possibly contemporary NetBSD.)
- For shared mappings, we should conversely verify that changes get
- propogated back to all the places they're supposed to be.
-
- Grep wants private fixed already mapped.
- The main things grep needs to know about mmap are:
- * does it exist and is it safe to write into the mmap'd area
- * how to use it (BSD variants) */
-
-#include <fcntl.h>
-#include <sys/mman.h>
-
-#if !STDC_HEADERS && !HAVE_STDLIB_H
-char *malloc ();
-#endif
-
-/* This mess was copied from the GNU getpagesize.h. */
-#if !HAVE_GETPAGESIZE
-/* Assume that all systems that can run configure have sys/param.h. */
-# if !HAVE_SYS_PARAM_H
-# define HAVE_SYS_PARAM_H 1
-# endif
-
-# ifdef _SC_PAGESIZE
-# define getpagesize() sysconf(_SC_PAGESIZE)
-# else /* no _SC_PAGESIZE */
-# if HAVE_SYS_PARAM_H
-# include <sys/param.h>
-# ifdef EXEC_PAGESIZE
-# define getpagesize() EXEC_PAGESIZE
-# else /* no EXEC_PAGESIZE */
-# ifdef NBPG
-# define getpagesize() NBPG * CLSIZE
-# ifndef CLSIZE
-# define CLSIZE 1
-# endif /* no CLSIZE */
-# else /* no NBPG */
-# ifdef NBPC
-# define getpagesize() NBPC
-# else /* no NBPC */
-# ifdef PAGESIZE
-# define getpagesize() PAGESIZE
-# endif /* PAGESIZE */
-# endif /* no NBPC */
-# endif /* no NBPG */
-# endif /* no EXEC_PAGESIZE */
-# else /* no HAVE_SYS_PARAM_H */
-# define getpagesize() 8192 /* punt totally */
-# endif /* no HAVE_SYS_PARAM_H */
-# endif /* no _SC_PAGESIZE */
-
-#endif /* no HAVE_GETPAGESIZE */
-
-int
-main ()
-{
- char *data, *data2, *data3;
- int i, pagesize;
- int fd;
-
- pagesize = getpagesize ();
-
- /* First, make a file with some known garbage in it. */
- data = (char *) malloc (pagesize);
- if (!data)
- exit (1);
- for (i = 0; i < pagesize; ++i)
- *(data + i) = rand ();
- umask (0);
- fd = creat ("conftest.mmap", 0600);
- if (fd < 0)
- exit (1);
- if (write (fd, data, pagesize) != pagesize)
- exit (1);
- close (fd);
-
- /* Next, try to mmap the file at a fixed address which already has
- something else allocated at it. If we can, also make sure that
- we see the same garbage. */
- fd = open ("conftest.mmap", O_RDWR);
- if (fd < 0)
- exit (1);
- data2 = (char *) malloc (2 * pagesize);
- if (!data2)
- exit (1);
- data2 += (pagesize - ((int) data2 & (pagesize - 1))) & (pagesize - 1);
- if (data2 != mmap (data2, pagesize, PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_FIXED, fd, 0L))
- exit (1);
- for (i = 0; i < pagesize; ++i)
- if (*(data + i) != *(data2 + i))
- exit (1);
-
- /* Finally, make sure that changes to the mapped area do not
- percolate back to the file as seen by read(). (This is a bug on
- some variants of i386 svr4.0.) */
- for (i = 0; i < pagesize; ++i)
- *(data2 + i) = *(data2 + i) + 1;
- data3 = (char *) malloc (pagesize);
- if (!data3)
- exit (1);
- if (read (fd, data3, pagesize) != pagesize)
- exit (1);
- for (i = 0; i < pagesize; ++i)
- if (*(data + i) != *(data3 + i))
- exit (1);
- close (fd);
- exit (0);
-}]])],
- [ac_cv_func_mmap_fixed_mapped=yes],
- [ac_cv_func_mmap_fixed_mapped=no],
- [ac_cv_func_mmap_fixed_mapped=no])])
-if test $ac_cv_func_mmap_fixed_mapped = yes; then
- AC_DEFINE(HAVE_MMAP, 1,
- [Define if you have a working `mmap' system call.])
-fi
-rm -f conftest.mmap
-])# AC_FUNC_MMAP
-
-
-# AU::AC_MMAP
-# -----------
-AU_ALIAS([AC_MMAP], [AC_FUNC_MMAP])
-
-
-# AC_FUNC_OBSTACK
-# ---------------
-# Ensure obstack support. Yeah, this is not exactly a `FUNC' check.
-AC_DEFUN([AC_FUNC_OBSTACK],
-[AC_LIBSOURCES([obstack.h, obstack.c])dnl
-AC_CACHE_CHECK([for obstacks], ac_cv_func_obstack,
-[AC_TRY_LINK([@%:@include "obstack.h"],
- [struct obstack *mem; obstack_free(mem,(char *) 0)],
- [ac_cv_func_obstack=yes],
- [ac_cv_func_obstack=no])])
-if test $ac_cv_func_obstack = yes; then
- AC_DEFINE(HAVE_OBSTACK, 1, [Define if libc includes obstacks.])
-else
- AC_LIBOBJ(obstack)
-fi
-])# AC_FUNC_OBSTACK
-
-
-# AU::AM_FUNC_OBSTACK
-# -------------------
-AU_ALIAS([AM_FUNC_OBSTACK], [AC_FUNC_OBSTACK])
-
-
-# AC_FUNC_SELECT_ARGTYPES
-# -----------------------
-# Determine the correct type to be passed to each of the `select'
-# function's arguments, and define those types in `SELECT_TYPE_ARG1',
-# `SELECT_TYPE_ARG234', and `SELECT_TYPE_ARG5'.
-AC_DEFUN([AC_FUNC_SELECT_ARGTYPES],
-[AC_CHECK_HEADERS(sys/select.h sys/socket.h)
-AC_CACHE_CHECK([types of arguments for select],
-[ac_cv_func_select_args],
-[for ac_arg234 in 'fd_set *' 'int *' 'void *'; do
- for ac_arg1 in 'int' 'size_t' 'unsigned long' 'unsigned'; do
- for ac_arg5 in 'struct timeval *' 'const struct timeval *'; do
- AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM(
-[AC_INCLUDES_DEFAULT
-#if HAVE_SYS_SELECT_H
-# include <sys/select.h>
-#endif
-#if HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
-#endif
-],
- [extern int select ($ac_arg1,
- $ac_arg234, $ac_arg234, $ac_arg234,
- $ac_arg5);])],
- [ac_cv_func_select_args="$ac_arg1,$ac_arg234,$ac_arg5"; break 3])
- done
- done
-done
-# Provide a safe default value.
-: ${ac_cv_func_select_args='int,int *,struct timeval *'}
-])
-ac_save_IFS=$IFS; IFS=','
-set dummy `echo "$ac_cv_func_select_args" | sed 's/\*/\*/g'`
-IFS=$ac_save_IFS
-shift
-AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1, $[1],
- [Define to the type of arg 1 for `select'.])
-AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234, ($[2]),
- [Define to the type of args 2, 3 and 4 for `select'.])
-AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5, ($[3]),
- [Define to the type of arg 5 for `select'.])
-rm -f conftest*
-])# AC_FUNC_SELECT_ARGTYPES
-
-
-# AC_FUNC_SETPGRP
-# ---------------
-AC_DEFUN([AC_FUNC_SETPGRP],
-[AC_CACHE_CHECK(whether setpgrp takes no argument, ac_cv_func_setpgrp_void,
-[AC_RUN_IFELSE(
-[AC_LANG_PROGRAM(
-[#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-],
-[/* If this system has a BSD-style setpgrp, which takes arguments, exit
- successfully. */
- exit (setpgrp (1,1) == -1);])],
- [ac_cv_func_setpgrp_void=no],
- [ac_cv_func_setpgrp_void=yes],
- [AC_MSG_ERROR([cannot check setpgrp if cross compiling])])])
-if test $ac_cv_func_setpgrp_void = yes; then
- AC_DEFINE(SETPGRP_VOID, 1,
- [Define if the `setpgrp' function takes no argument.])
-fi
-])# AC_FUNC_SETPGRP
-
-
-# _AC_FUNC_STAT(STAT | LSTAT)
-# ---------------------------
-# Determine whether stat or lstat have the bug that it succeeds when
-# given the zero-length file name argument. The stat and lstat from
-# SunOS4.1.4 and the Hurd (as of 1998-11-01) do this.
-#
-# If it does, then define HAVE_STAT_EMPTY_STRING_BUG (or
-# HAVE_LSTAT_EMPTY_STRING_BUG) and arrange to compile the wrapper
-# function.
-m4_define([_AC_FUNC_STAT],
-[AC_REQUIRE([AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])dnl
-AC_CACHE_CHECK([whether $1 accepts an empty string],
- [ac_cv_func_$1_empty_string_bug],
-[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
-[[struct stat sbuf;
- exit ($1 ("", &sbuf) ? 1 : 0);]])],
- [ac_cv_func_$1_empty_string_bug=yes],
- [ac_cv_func_$1_empty_string_bug=no],
- [ac_cv_func_$1_empty_string_bug=yes])])
-if test $ac_cv_func_$1_empty_string_bug = yes; then
- AC_LIBOBJ([$1])
- AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1_EMPTY_STRING_BUG]), 1,
- [Define if `$1' has the bug that it succeeds when
- given the zero-length file name argument.])
-fi
-])# _AC_FUNC_STAT
-
-
-# AC_FUNC_STAT & AC_FUNC_LSTAT
-# ----------------------------
-AC_DEFUN([AC_FUNC_STAT], [_AC_FUNC_STAT(stat)])
-AC_DEFUN([AC_FUNC_LSTAT], [_AC_FUNC_STAT(lstat)])
-
-
-# _AC_LIBOBJ_STRTOD
-# -----------------
-m4_define([_AC_LIBOBJ_STRTOD],
-[AC_LIBOBJ(strtod)
-AC_CHECK_FUNC(pow)
-if test $ac_cv_func_pow = no; then
- AC_CHECK_LIB(m, pow,
- [POW_LIB=-lm],
- [AC_MSG_WARN([can't find library containing definition of pow])])
-fi
-])# _AC_LIBOBJ_STRTOD
-
-
-# AC_FUNC_STRTOD
-# --------------
-AC_DEFUN([AC_FUNC_STRTOD],
-[AC_CACHE_CHECK(for working strtod, ac_cv_func_strtod,
-[AC_RUN_IFELSE([AC_LANG_SOURCE([[
-double strtod ();
-int
-main()
-{
- {
- /* Some versions of Linux strtod mis-parse strings with leading '+'. */
- char *string = " +69";
- char *term;
- double value;
- value = strtod (string, &term);
- if (value != 69 || term != (string + 4))
- exit (1);
- }
-
- {
- /* Under Solaris 2.4, strtod returns the wrong value for the
- terminating character under some conditions. */
- char *string = "NaN";
- char *term;
- strtod (string, &term);
- if (term != string && *(term - 1) == 0)
- exit (1);
- }
- exit (0);
-}
-]])],
- ac_cv_func_strtod=yes,
- ac_cv_func_strtod=no,
- ac_cv_func_strtod=no)])
-if test $ac_cv_func_strtod = no; then
- _AC_LIBOBJ_STRTOD
-fi
-])
-
-
-# AU::AM_FUNC_STRTOD
-# ------------------
-AU_ALIAS([AM_FUNC_STRTOD], [AC_FUNC_STRTOD])
-
-
-# AC_FUNC_STRERROR_R
-# ------------------
-AC_DEFUN([AC_FUNC_STRERROR_R],
-[AC_CHECK_DECLS([strerror_r])
-AC_CHECK_FUNCS([strerror_r])
-if test $ac_cv_func_strerror_r = yes; then
- AC_CACHE_CHECK([for working strerror_r],
- ac_cv_func_strerror_r_works,
- [
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
- [[
- char buf[100];
- char x = *strerror_r (0, buf, sizeof buf);
- ]])],
- ac_cv_func_strerror_r_works=yes,
- ac_cv_func_strerror_r_works=no)
- if test $ac_cv_func_strerror_r_works = no; then
- # strerror_r seems not to work, but now we have to choose between
- # systems that have relatively inaccessible declarations for the
- # function. BeOS and DEC UNIX 4.0 fall in this category, but the
- # former has a strerror_r that returns char*, while the latter
- # has a strerror_r that returns `int'.
- # This test should segfault on the DEC system.
- AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
- extern char *strerror_r ();],
- [[char buf[100];
- char x = *strerror_r (0, buf, sizeof buf);
- exit (!isalpha (x));]])],
- ac_cv_func_strerror_r_works=yes,
- ac_cv_func_strerror_r_works=no,
- ac_cv_func_strerror_r_works=no)
- fi
- ])
- if test $ac_cv_func_strerror_r_works = yes; then
- AC_DEFINE_UNQUOTED([HAVE_WORKING_STRERROR_R], 1,
- [Define to 1 if `strerror_r' returns a string.])
- fi
-fi
-])# AC_FUNC_STRERROR_R
-
-
-# AC_FUNC_STRFTIME
-# ----------------
-AC_DEFUN([AC_FUNC_STRFTIME],
-[AC_CHECK_FUNCS(strftime, [],
-[# strftime is in -lintl on SCO UNIX.
-AC_CHECK_LIB(intl, strftime,
- [AC_DEFINE(HAVE_STRFTIME)
-LIBS="-lintl $LIBS"])])dnl
-])# AC_FUNC_STRFTIME
-
-
-# AC_FUNC_SETVBUF_REVERSED
-# ------------------------
-AC_DEFUN([AC_FUNC_SETVBUF_REVERSED],
-[AC_CACHE_CHECK(whether setvbuf arguments are reversed,
- ac_cv_func_setvbuf_reversed,
-[AC_TRY_RUN([#include <stdio.h>
-/* If setvbuf has the reversed format, exit 0. */
-int
-main ()
-{
- /* This call has the arguments reversed.
- A reversed system may check and see that the address of main
- is not _IOLBF, _IONBF, or _IOFBF, and return nonzero. */
- if (setvbuf(stdout, _IOLBF, (char *) main, BUFSIZ) != 0)
- exit(1);
- putc('\r', stdout);
- exit(0); /* Non-reversed systems segv here. */
-}], ac_cv_func_setvbuf_reversed=yes, ac_cv_func_setvbuf_reversed=no)
-rm -f core core.* *.core])
-if test $ac_cv_func_setvbuf_reversed = yes; then
- AC_DEFINE(SETVBUF_REVERSED, 1,
- [Define if the `setvbuf' function takes the buffering type as
- its second argument and the buffer pointer as the third, as on
- System V before release 3.])
-fi
-])# AC_FUNC_SETVBUF_REVERSED
-
-
-# AU::AC_SETVBUF_REVERSED
-# -----------------------
-AU_ALIAS([AC_SETVBUF_REVERSED], [AC_FUNC_SETVBUF_REVERSED])
-
-
-# AC_FUNC_STRCOLL
-# ---------------
-AC_DEFUN([AC_FUNC_STRCOLL],
-[AC_CACHE_CHECK(for working strcoll, ac_cv_func_strcoll_works,
-[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
- [[exit (strcoll ("abc", "def") >= 0 ||
- strcoll ("ABC", "DEF") >= 0 ||
- strcoll ("123", "456") >= 0)]])],
- ac_cv_func_strcoll_works=yes,
- ac_cv_func_strcoll_works=no,
- ac_cv_func_strcoll_works=no)])
-if test $ac_cv_func_strcoll_works = yes; then
- AC_DEFINE(HAVE_STRCOLL, 1,
- [Define if you have the `strcoll' function and it is properly
- defined.])
-fi
-])# AC_FUNC_STRCOLL
-
-
-# AU::AC_STRCOLL
-# --------------
-AU_ALIAS([AC_STRCOLL], [AC_FUNC_STRCOLL])
-
-
-# AC_FUNC_UTIME_NULL
-# ------------------
-AC_DEFUN([AC_FUNC_UTIME_NULL],
-[AC_CACHE_CHECK(whether utime accepts a null argument, ac_cv_func_utime_null,
-[rm -f conftest.data; >conftest.data
-# Sequent interprets utime(file, 0) to mean use start of epoch. Wrong.
-AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
-[[struct stat s, t;
- exit (!(stat ("conftest.data", &s) == 0
- && utime ("conftest.data", (long *)0) == 0
- && stat ("conftest.data", &t) == 0
- && t.st_mtime >= s.st_mtime
- && t.st_mtime - s.st_mtime < 120));]])],
- ac_cv_func_utime_null=yes,
- ac_cv_func_utime_null=no,
- ac_cv_func_utime_null=no)
-rm -f core core.* *.core])
-if test $ac_cv_func_utime_null = yes; then
- AC_DEFINE(HAVE_UTIME_NULL, 1,
- [Define if `utime(file, NULL)' sets file's timestamp to the
- present.])
-fi
-rm -f conftest.data
-])# AC_FUNC_UTIME_NULL
-
-
-# AU::AC_UTIME_NULL
-# -----------------
-AU_ALIAS([AC_UTIME_NULL], [AC_FUNC_UTIME_NULL])
-
-
-# AC_FUNC_FORK
-# -------------
-AC_DEFUN([AC_FUNC_FORK],
-[AC_REQUIRE([AC_TYPE_PID_T])dnl
-AC_CHECK_HEADERS(unistd.h vfork.h)
-AC_CHECK_FUNCS(fork vfork)
-ac_cv_func_fork_works=$ac_cv_func_fork
-if test "x$ac_cv_func_fork" = xyes; then
- _AC_FUNC_FORK
-fi
-if test "x$ac_cv_func_fork_works" = xcross; then
- case $host in
- *-*-amigaos* | *-*-msdosdjgpp*)
- # Override, as these systems have only a dummy fork() stub
- ac_cv_func_fork_works=no
- ;;
- *)
- ac_cv_func_fork_works=yes
- ;;
- esac
- AC_MSG_WARN(CROSS: Result $ac_cv_func_fork_works guessed due to cross-compiling.)
-fi
-ac_cv_func_vfork_works=$ac_cv_func_vfork
-if test "x$ac_cv_func_vfork" = xyes; then
- _AC_FUNC_VFORK
-fi;
-if test "x$ac_cv_func_fork_works" = xcross; then
- ac_cv_func_vfork_works=ac_cv_func_vfork
- AC_MSG_WARN(CROSS: Result $ac_cv_func_vfork_works guessed due to cross-compiling.)
-fi
-
-if test "x$ac_cv_func_vfork_works" = xyes; then
- AC_DEFINE(HAVE_WORKING_VFORK, 1, [Define if `vfork' works.])
-else
- AC_DEFINE(vfork, fork, [Define as `fork' if `vfork' does not work.])
-fi
-if test "x$ac_cv_func_fork_works" = xyes; then
- AC_DEFINE(HAVE_WORKING_FORK, 1, [Define if `fork' works.])
-fi
-])# AC_FUNC_FORK
-
-
-# _AC_FUNC_FORK
-# -------------
-AC_DEFUN([_AC_FUNC_FORK],
- [AC_CACHE_CHECK(for working fork, ac_cv_func_fork_works,
- [AC_RUN_IFELSE([/* By Rüdiger Kuhlmann. */
- #include <sys/types.h>
- #if HAVE_UNISTD_H
- # include <unistd.h>
- #endif
- /* Some systems only have a dummy stub for fork() */
- int main ()
- {
- if (fork() < 0)
- exit (1);
- exit (0);
- }],
- [ac_cv_func_fork_works=yes],
- [ac_cv_func_fork_works=no],
- [ac_cv_func_fork_works=cross])])]
-)# _AC_FUNC_FORK
-
-
-# _AC_FUNC_VFORK
-# -------------
-AC_DEFUN([_AC_FUNC_VFORK],
-[AC_CACHE_CHECK(for working vfork, ac_cv_func_vfork_works,
-[AC_TRY_RUN([/* Thanks to Paul Eggert for this test. */
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#if HAVE_VFORK_H
-# include <vfork.h>
-#endif
-/* On some sparc systems, changes by the child to local and incoming
- argument registers are propagated back to the parent. The compiler
- is told about this with #include <vfork.h>, but some compilers
- (e.g. gcc -O) don't grok <vfork.h>. Test for this by using a
- static variable whose address is put into a register that is
- clobbered by the vfork. */
-static
-#ifdef __cplusplus
-sparc_address_test (int arg)
-# else
-sparc_address_test (arg) int arg;
-#endif
-{
- static pid_t child;
- if (!child) {
- child = vfork ();
- if (child < 0) {
- perror ("vfork");
- _exit(2);
- }
- if (!child) {
- arg = getpid();
- write(-1, "", 0);
- _exit (arg);
- }
- }
-}
-
-int
-main ()
-{
- pid_t parent = getpid ();
- pid_t child;
-
- sparc_address_test ();
-
- child = vfork ();
-
- if (child == 0) {
- /* Here is another test for sparc vfork register problems. This
- test uses lots of local variables, at least as many local
- variables as main has allocated so far including compiler
- temporaries. 4 locals are enough for gcc 1.40.3 on a Solaris
- 4.1.3 sparc, but we use 8 to be safe. A buggy compiler should
- reuse the register of parent for one of the local variables,
- since it will think that parent can't possibly be used any more
- in this routine. Assigning to the local variable will thus
- munge parent in the parent process. */
- pid_t
- p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(),
- p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid();
- /* Convince the compiler that p..p7 are live; otherwise, it might
- use the same hardware register for all 8 local variables. */
- if (p != p1 || p != p2 || p != p3 || p != p4
- || p != p5 || p != p6 || p != p7)
- _exit(1);
-
- /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent
- from child file descriptors. If the child closes a descriptor
- before it execs or exits, this munges the parent's descriptor
- as well. Test for this by closing stdout in the child. */
- _exit(close(fileno(stdout)) != 0);
- } else {
- int status;
- struct stat st;
-
- while (wait(&status) != child)
- ;
- exit(
- /* Was there some problem with vforking? */
- child < 0
-
- /* Did the child fail? (This shouldn't happen.) */
- || status
-
- /* Did the vfork/compiler bug occur? */
- || parent != getpid()
-
- /* Did the file descriptor bug occur? */
- || fstat(fileno(stdout), &st) != 0
- );
- }
-}],
- [ac_cv_func_vfork_works=yes],
- [ac_cv_func_vfork_works=no],
- [ac_cv_func_vfork_works=cross])])
-])# _AC_FUNC_VFORK
-
-
-# AU::AC_FUNC_VFORK
-# ------------
-AU_ALIAS([AC_FUNC_VFORK], [AC_FUNC_FORK])
-
-# AU::AC_VFORK
-# ------------
-AU_ALIAS([AC_VFORK], [AC_FUNC_FORK])
-
-
-# AC_FUNC_VPRINTF
-# ---------------
-# Why the heck is that _doprnt does not define HAVE__DOPRNT???
-# That the logical name!
-AC_DEFUN([AC_FUNC_VPRINTF],
-[AC_CHECK_FUNCS(vprintf, []
-[AC_CHECK_FUNC(_doprnt,
- [AC_DEFINE(HAVE_DOPRNT, 1,
- [Define if you don't have `vprintf' but do have
- `_doprnt.'])])])
-])
-
-
-# AU::AC_VPRINTF
-# --------------
-AU_ALIAS([AC_VPRINTF], [AC_FUNC_VPRINTF])
-
-
-# AC_FUNC_WAIT3
-# -------------
-# Don't bother too hard maintaining this macro, as it's obsoleted.
-# We don't AU define it, since we don't have any alternative to propose,
-# any invocation should be removed, and the code adjusted.
-AC_DEFUN([AC_FUNC_WAIT3],
-[AC_DIAGNOSE([obsolete],
-[$0: `wait3' is being removed from the Open Group standards.
-Remove this `AC_FUNC_WAIT3' and adjust your code to use `waitpid' instead.])dnl
-AC_CACHE_CHECK([for wait3 that fills in rusage],
- [ac_cv_func_wait3_rusage],
-[AC_RUN_IFELSE([AC_LANG_SOURCE(
-[[#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <stdio.h>
-/* HP-UX has wait3 but does not fill in rusage at all. */
-int
-main ()
-{
- struct rusage r;
- int i;
- /* Use a field that we can force nonzero --
- voluntary context switches.
- For systems like NeXT and OSF/1 that don't set it,
- also use the system CPU time. And page faults (I/O) for Linux. */
- r.ru_nvcsw = 0;
- r.ru_stime.tv_sec = 0;
- r.ru_stime.tv_usec = 0;
- r.ru_majflt = r.ru_minflt = 0;
- switch (fork ())
- {
- case 0: /* Child. */
- sleep(1); /* Give up the CPU. */
- _exit(0);
- break;
- case -1: /* What can we do? */
- _exit(0);
- break;
- default: /* Parent. */
- wait3(&i, 0, &r);
- /* Avoid "text file busy" from rm on fast HP-UX machines. */
- sleep(2);
- exit (r.ru_nvcsw == 0 && r.ru_majflt == 0 && r.ru_minflt == 0
- && r.ru_stime.tv_sec == 0 && r.ru_stime.tv_usec == 0);
- }
-}]])],
- [ac_cv_func_wait3_rusage=yes],
- [ac_cv_func_wait3_rusage=no],
- [ac_cv_func_wait3_rusage=no])])
-if test $ac_cv_func_wait3_rusage = yes; then
- AC_DEFINE(HAVE_WAIT3, 1,
- [Define if you have the `wait3' system call.
- Deprecated, you should no longer depend upon `wait3'.])
-fi
-])# AC_FUNC_WAIT3
-
-
-# AU::AC_WAIT3
-# ------------
-AU_ALIAS([AC_WAIT3], [AC_FUNC_WAIT3])
+++ /dev/null
-# This file is part of Autoconf. -*- Autoconf -*-
-# Parameterized macros.
-# Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
-# Free Software Foundation, Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-#
-# As a special exception, the Free Software Foundation gives unlimited
-# permission to copy, distribute and modify the configure scripts that
-# are the output of Autoconf. You need not follow the terms of the GNU
-# General Public License when using or distributing such scripts, even
-# though portions of the text of Autoconf appear in them. The GNU
-# General Public License (GPL) does govern all other use of the material
-# that constitutes the Autoconf program.
-#
-# Certain portions of the Autoconf source text are designed to be copied
-# (in certain cases, depending on the input) into the output of
-# Autoconf. We call these the "data" portions. The rest of the Autoconf
-# source text consists of comments plus executable code that decides which
-# of the data portions to output in any given case. We call these
-# comments and executable code the "non-data" portions. Autoconf never
-# copies any of the non-data portions into its output.
-#
-# This special exception to the GPL applies to versions of Autoconf
-# released by the Free Software Foundation. When you make and
-# distribute a modified version of Autoconf, you may extend this special
-# exception to the GPL to apply to your modified version as well, *unless*
-# your modified version has the potential to copy into its output some
-# of the text that was the non-data portion of the version that you started
-# with. (In other words, unless your change moves or copies text from
-# the non-data portions to the data portions.) If your modification has
-# such potential, you must delete any notice of this special exception
-# to the GPL from your modified version.
-#
-# Written by David MacKenzie, with help from
-# Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
-# Roland McGrath, Noah Friedman, david d zuhn, and many others.
-
-
-## ---------------- ##
-## The diversions. ##
-## ---------------- ##
-
-
-# We heavily use m4's diversions both for the initializations and for
-# required macros (see AC_REQUIRE), because in both cases we have to
-# issue high in `configure' something which is discovered late.
-#
-# KILL is only used to suppress output.
-#
-# The layers of `configure'. We let m4 undivert them by itself, when
-# it reaches the end of `configure.ac'.
-#
-# - BINSH
-# AC_REQUIRE'd #! /bin/sh line
-# - REVISION
-# Sent by AC_REVISION
-# - NOTICE
-# copyright notice(s)
-# - DEFAULTS
-# early initializations (defaults)
-# - PARSE_ARGS
-# initialization code, option handling loop.
-#
-# - HELP_BEGIN
-# Handling `configure --help'.
-# - HELP_CANON
-# Help msg for AC_CANONICAL_*
-# - HELP_ENABLE
-# Help msg from AC_ARG_ENABLE.
-# - HELP_WITH
-# Help msg from AC_ARG_WITH.
-# - HELP_VAR
-# Help msg from AC_ARG_VAR.
-# - HELP_VAR_END
-# A small paragraph on the use of the variables.
-# - HELP_END
-# Tail of the handling of --help.
-#
-# - VERSION_BEGIN
-# Head of the handling of --version.
-# - VERSION_FSF
-# FSF copyright notice for --version.
-# - VERSION_USER
-# User copyright notice for --version.
-# - VERSION_END
-# Tail of the handling of --version.
-#
-# - INIT_PREPARE
-# Tail of initialization code.
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-# - BODY
-# the tests and output code
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-
-# _m4_divert(DIVERSION-NAME)
-# --------------------------
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-# DIVERSION-NAME which is supposed to be an actual diversion number.
-# Of course it would be nicer to use m4_case here, instead of zillions
-# of little macros, but it then takes twice longer to run `autoconf'!
-m4_define([_m4_divert(BINSH)], 0)
-m4_define([_m4_divert(REVISION)], 1)
-m4_define([_m4_divert(NOTICE)], 2)
-m4_define([_m4_divert(DEFAULTS)], 3)
-m4_define([_m4_divert(PARSE_ARGS)], 4)
-
-m4_define([_m4_divert(HELP_BEGIN)], 10)
-m4_define([_m4_divert(HELP_CANON)], 11)
-m4_define([_m4_divert(HELP_ENABLE)], 12)
-m4_define([_m4_divert(HELP_WITH)], 13)
-m4_define([_m4_divert(HELP_VAR)], 14)
-m4_define([_m4_divert(HELP_VAR_END)], 15)
-m4_define([_m4_divert(HELP_END)], 16)
-
-m4_define([_m4_divert(VERSION_BEGIN)], 20)
-m4_define([_m4_divert(VERSION_FSF)], 21)
-m4_define([_m4_divert(VERSION_USER)], 22)
-m4_define([_m4_divert(VERSION_END)], 23)
-
-m4_define([_m4_divert(INIT_PREPARE)], 30)
-
-m4_define([_m4_divert(BODY)], 40)
-
-m4_define([_m4_divert(PREPARE)], 100)
-
-
-
-# AC_DIVERT_PUSH(DIVERSION-NAME)
-# AC_DIVERT_POP
-# ------------------------------
-m4_copy([m4_divert_push],[AC_DIVERT_PUSH])
-m4_copy([m4_divert_pop], [AC_DIVERT_POP])
-
-
-## ------------------------------- ##
-## Defining macros in autoconf::. ##
-## ------------------------------- ##
-
-
-# AC_DEFUN(NAME, EXPANSION)
-# -------------------------
-# Same as `m4_define' but equip the macro with the needed machinery
-# for `AC_REQUIRE'.
-#
-# We don't use this macro to define some frequently called macros that
-# are not involved in ordering constraints, to save m4 processing.
-m4_define([AC_DEFUN],
-[m4_defun([$1], [$2[]AC_PROVIDE([$1])])])
-
-
-# AC_DEFUN_ONCE(NAME, EXPANSION)
-# ------------------------------
-# As AC_DEFUN, but issues the EXPANSION only once, and warns if used
-# several times.
-m4_define([AC_DEFUN_ONCE],
-[m4_defun_once([$1], [$2[]AC_PROVIDE([$1])])])
-
-
-# AC_OBSOLETE(THIS-MACRO-NAME, [SUGGESTION])
-# ------------------------------------------
-m4_define([AC_OBSOLETE],
-[AC_DIAGNOSE([obsolete], [$1 is obsolete$2])])
-
-
-
-
-
-
-## ----------------------------- ##
-## Dependencies between macros. ##
-## ----------------------------- ##
-
-
-# AC_BEFORE(THIS-MACRO-NAME, CALLED-MACRO-NAME)
-# ---------------------------------------------
-m4_define([AC_BEFORE],
-[AC_PROVIDE_IFELSE([$2], [AC_DIAGNOSE([syntax], [$2 was called before $1])])])
-
-
-# AC_REQUIRE(STRING)
-# ------------------
-# If STRING has never been AC_PROVIDE'd, then expand it. A macro must
-# be AC_DEFUN'd if either it is AC_REQUIRE'd, or it AC_REQUIRE's.
-m4_copy([m4_require], [AC_REQUIRE])
-
-
-# AC_PROVIDE(MACRO-NAME)
-# ----------------------
-# Ideally we should just use `m4_provide($1)', but unfortunately many
-# third party macros know that we use `AC_PROVIDE_$1' and they depend
-# on it.
-m4_define([AC_PROVIDE],
-[m4_define([AC_PROVIDE_$1])m4_provide([$1])])
-
-
-# AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)
-# -----------------------------------------------------------
-# If MACRO-NAME is provided do IF-PROVIDED, else IF-NOT-PROVIDED.
-# The purpose of this macro is to provide the user with a means to
-# check macros which are provided without letting her know how the
-# information is coded.
-m4_define([AC_PROVIDE_IFELSE],
-[m4_ifdef([AC_PROVIDE_$1],
- [$2], [$3])])
-
-
-
-
-## --------------------------------- ##
-## Defining macros in autoupdate::. ##
-## --------------------------------- ##
-
-
-# AU_DEFINE(NAME, GLUE-CODE, [MESSAGE])
-# -------------------------------------
-#
-# Declare `autoupdate::NAME' to be `GLUE-CODE', with all the needed
-# wrapping actions required by `autoupdate'.
-# We do not define anything in `autoconf::'.
-m4_define([AU_DEFINE],
-[AC_DEFUN([$1], [$2])])
-
-
-# AU_DEFUN(NAME, NEW-CODE, [MESSAGE])
-# -----------------------------------
-# Declare that the macro NAME is now obsoleted, and should be replaced
-# by NEW-CODE. Tell the user she should run autoupdate, and include
-# the additional MESSAGE.
-#
-# Also define NAME as a macro which code is NEW-CODE.
-#
-# This allows to share the same code for both supporting obsoleted macros,
-# and to update a configure.ac.
-# See `acobsolete.m4' for a longer description.
-m4_define([AU_DEFUN],
-[AU_DEFINE([$1],
- [AC_DIAGNOSE([obsolete], [The macro `$1' is obsolete.
-You should run autoupdate.])dnl
-$2],
- [$3])dnl
-])
-
-
-# AU_ALIAS(OLD-NAME, NEW-NAME)
-# ----------------------------
-# The OLD-NAME is no longer used, just use NEW-NAME instead. There is
-# little difference with using AU_DEFUN but the fact there is little
-# interest in running the test suite on both OLD-NAME and NEW-NAME.
-# This macro makes it possible to distinguish such cases.
-#
-# Do not use `defn' since then autoupdate would replace an old macro
-# call with the new macro body instead of the new macro call.
-m4_define([AU_ALIAS],
-[AU_DEFUN([$1], [$2($][@)])])
-
-
-
-## ------------------------- ##
-## Interface to autoheader. ##
-## ------------------------- ##
-
-
-# AH_OUTPUT(KEY, TEXT)
-# --------------------
-# Pass TEXT to autoheader.
-# This macro is `read' only via `autoconf --trace', it outputs nothing.
-m4_define([AH_OUTPUT], [])
-
-
-# AH_VERBATIM(KEY, TEMPLATE)
-# --------------------------
-# If KEY is direct (i.e., no indirection such as in KEY=$my_func which
-# may occur if there is AC_CHECK_FUNCS($my_func)), issue an autoheader
-# TEMPLATE associated to the KEY. Otherwise, do nothing. TEMPLATE is
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-# at the first run, will be saved in the cache. As an exception to
-# the cache mechanism, its loading will override these variables (non
-# `ac_cv_env_' cache value are only set when unset).
-#
-# In subsequent runs, after having loaded the cache, compare
-# ac_cv_env_foo against ac_env_foo. See _AC_ARG_VAR_VALIDATE.
-m4_define([_AC_ARG_VAR_PRECIOUS],
-[AC_SUBST([$1])dnl
-m4_divert_once([PARSE_ARGS],
-[ac_env_$1_set=${$1+set}
-ac_env_$1_value=$$1
-ac_cv_env_$1_set=${$1+set}
-ac_cv_env_$1_value=$$1])dnl
-])
-
-
-# _AC_ARG_VAR_VALIDATE
-# --------------------
-# The precious variables are saved twice at the beginning of
-# configure. E.g., PRECIOUS, is saved as `ac_env_PRECIOUS_SET' and
-# `ac_env_PRECIOUS_VALUE' on the one hand and `ac_cv_env_PRECIOUS_SET'
-# and `ac_cv_env_PRECIOUS_VALUE' on the other hand.
-#
-# Now the cache has just been load, so `ac_cv_env_' represents the
-# content of the cached values, while `ac_env_' represents that of the
-# current values.
-#
-# So we check that `ac_env_' and `ac_cv_env_' are consistant. If
-# they aren't, die.
-m4_define([_AC_ARG_VAR_VALIDATE],
-[# Check that the precious variables saved in the cache have kept the same
-# value.
-ac_cache_corrupted=false
-for ac_var in `(set) 2>&1 |
- sed -n 's/^ac_env_\([[a-zA-Z_0-9]]*\)_set=.*/\1/p'`; do
- eval ac_old_set=\$ac_cv_env_${ac_var}_set
- eval ac_new_set=\$ac_env_${ac_var}_set
- eval ac_old_val="\$ac_cv_env_${ac_var}_value"
- eval ac_new_val="\$ac_env_${ac_var}_value"
- case $ac_old_set,$ac_new_set in
- set,)
- AS_MESSAGE([error: `$ac_var' was set to `$ac_old_val' in the previous run], 2)
- ac_cache_corrupted=: ;;
- ,set)
- AS_MESSAGE([error: `$ac_var' was not set in the previous run], 2)
- ac_cache_corrupted=: ;;
- ,);;
- *)
- if test "x$ac_old_val" != "x$ac_new_val"; then
- AS_MESSAGE([error: `$ac_var' has changed since the previous run:], 2)
- AS_MESSAGE([ former value: $ac_old_val], 2)
- AS_MESSAGE([ current value: $ac_new_val], 2)
- ac_cache_corrupted=:
- fi;;
- esac
- # Pass precious variables to config.status. It doesn't matter if
- # we pass some twice (in addition to the command line arguments).
- if test "$ac_new_set" = set; then
- case $ac_new_val in
-dnl If you change this globbing pattern, test it on an old shell --
-dnl it's sensitive. Putting any kind of quote in it causes syntax errors.
-[ *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)]
- ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"`
- ac_configure_args="$ac_configure_args '$ac_arg'"
- ;;
- *) ac_configure_args="$ac_configure_args $ac_var=$ac_new_val"
- ;;
- esac
- fi
-done
-if $ac_cache_corrupted; then
- AS_MESSAGE([error: changes in the environment can compromise the build], 2)
- AS_ERROR([run `make distclean' and/or `rm $cache_file' and start over])
-fi
-])# _AC_ARG_VAR_VALIDATE
-
-
-# AC_ARG_VAR(VARNAME, DOCUMENTATION)
-# ----------------------------------
-# Register VARNAME as a precious variable, and document it in
-# `configure --help' (but only once).
-AC_DEFUN([AC_ARG_VAR],
-[m4_divert_once([HELP_VAR], [[
-Some influential environment variables:]])dnl
-m4_divert_once([HELP_VAR_END], [[
-Use these variables to override the choices made by `configure' or to help
-it to find libraries and programs with nonstandard names/locations.]])dnl
-m4_expand_once([m4_divert_once([HELP_VAR],
- [AC_HELP_STRING([$1], [$2], [ ])])],
- [$0($1)])dnl
-_AC_ARG_VAR_PRECIOUS([$1])dnl
-])# AC_ARG_VAR
-
-
-
-
-
-## ---------------------------- ##
-## Transforming program names. ##
-## ---------------------------- ##
-
-
-# AC_ARG_PROGRAM
-# --------------
-# This macro is expanded only once, to avoid that `foo' ends up being
-# installed as `ggfoo'.
-AC_DEFUN_ONCE([AC_ARG_PROGRAM],
-[dnl Document the options.
-m4_divert_push([HELP_BEGIN])dnl
-
-Program names:
- --program-prefix=PREFIX prepend PREFIX to installed program names
- --program-suffix=SUFFIX append SUFFIX to installed program names
- --program-transform-name=PROGRAM run sed PROGRAM on installed program names
-m4_divert_pop([HELP_BEGIN])dnl
-test "$program_prefix" != NONE &&
- program_transform_name="s,^,$program_prefix,;$program_transform_name"
-# Use a double $ so make ignores it.
-test "$program_suffix" != NONE &&
- program_transform_name="s,\$,$program_suffix,;$program_transform_name"
-# Double any \ or $. echo might interpret backslashes.
-# By default was `s,x,x', remove it if useless.
-cat <<\_ACEOF >conftest.sed
-[s/[\\$]/&&/g;s/;s,x,x,$//]
-_ACEOF
-program_transform_name=`echo $program_transform_name | sed -f conftest.sed`
-rm conftest.sed
-])# AC_ARG_PROGRAM
-
-
-
-
-
-## ------------------------- ##
-## Finding auxiliary files. ##
-## ------------------------- ##
-
-
-# AC_CONFIG_AUX_DIR(DIR)
-# ----------------------
-# Find install-sh, config.sub, config.guess, and Cygnus configure
-# in directory DIR. These are auxiliary files used in configuration.
-# DIR can be either absolute or relative to $srcdir.
-AC_DEFUN([AC_CONFIG_AUX_DIR],
-[AC_CONFIG_AUX_DIRS($1 $srcdir/$1)])
-
-
-# AC_CONFIG_AUX_DIR_DEFAULT
-# -------------------------
-# The default is `$srcdir' or `$srcdir/..' or `$srcdir/../..'.
-# There's no need to call this macro explicitly; just AC_REQUIRE it.
-AC_DEFUN([AC_CONFIG_AUX_DIR_DEFAULT],
-[AC_CONFIG_AUX_DIRS($srcdir $srcdir/.. $srcdir/../..)])
-
-
-# AC_CONFIG_AUX_DIRS(DIR ...)
-# ---------------------------
-# Internal subroutine.
-# Search for the configuration auxiliary files in directory list $1.
-# We look only for install-sh, so users of AC_PROG_INSTALL
-# do not automatically need to distribute the other auxiliary files.
-AC_DEFUN([AC_CONFIG_AUX_DIRS],
-[ac_aux_dir=
-for ac_dir in $1; do
- if test -f $ac_dir/install-sh; then
- ac_aux_dir=$ac_dir
- ac_install_sh="$ac_aux_dir/install-sh -c"
- break
- elif test -f $ac_dir/install.sh; then
- ac_aux_dir=$ac_dir
- ac_install_sh="$ac_aux_dir/install.sh -c"
- break
- elif test -f $ac_dir/shtool; then
- ac_aux_dir=$ac_dir
- ac_install_sh="$ac_aux_dir/shtool install -c"
- break
- fi
-done
-if test -z "$ac_aux_dir"; then
- AC_MSG_ERROR([cannot find install-sh or install.sh in $1])
-fi
-ac_config_guess="$SHELL $ac_aux_dir/config.guess"
-ac_config_sub="$SHELL $ac_aux_dir/config.sub"
-ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure.
-AC_PROVIDE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
-])# AC_CONFIG_AUX_DIRS
-
-
-
-
-## ----------------------------------- ##
-## Getting the canonical system type. ##
-## ----------------------------------- ##
-
-# The inputs are:
-# configure --host=HOST --target=TARGET --build=BUILD
-#
-# The rules are:
-# 1. Build defaults to the current platform, as determined by config.guess.
-# 2. Host defaults to build.
-# 3. Target defaults to host.
-
-
-# _AC_CANONICAL_SPLIT(THING)
-# --------------------------
-# Generate the variables THING, THING_{alias cpu vendor os}.
-m4_define([_AC_CANONICAL_SPLIT],
-[AC_SUBST([$1], [$ac_cv_$1])dnl
-dnl FIXME: AC_SUBST([$1_alias], [$ac_cv_$1_alias])dnl
-AC_SUBST([$1_cpu],
- [`echo $ac_cv_$1 | sed 's/^\([[^-]]*\)-\([[^-]]*\)-\(.*\)$/\1/'`])dnl
-AC_SUBST([$1_vendor],
- [`echo $ac_cv_$1 | sed 's/^\([[^-]]*\)-\([[^-]]*\)-\(.*\)$/\2/'`])dnl
-AC_SUBST([$1_os],
- [`echo $ac_cv_$1 | sed 's/^\([[^-]]*\)-\([[^-]]*\)-\(.*\)$/\3/'`])dnl
-])# _AC_CANONICAL_SPLIT
-
-
-# AC_CANONICAL_BUILD
-# ------------------
-AC_DEFUN_ONCE([AC_CANONICAL_BUILD],
-[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
-m4_divert_text([HELP_CANON],
-[[
-System types:
- --build=BUILD configure for building on BUILD [guessed]]])dnl
-# Make sure we can run config.sub.
-$ac_config_sub sun4 >/dev/null 2>&1 ||
- AC_MSG_ERROR([cannot run $ac_config_sub])
-
-AC_CACHE_CHECK([build system type], [ac_cv_build],
-[ac_cv_build_alias=$build_alias
-test -z "$ac_cv_build_alias" &&
- ac_cv_build_alias=`$ac_config_guess`
-test -z "$ac_cv_build_alias" &&
- AC_MSG_ERROR([cannot guess build type; you must specify one])
-ac_cv_build=`$ac_config_sub $ac_cv_build_alias` ||
- AC_MSG_ERROR([$ac_config_sub $ac_cv_build_alias failed.])
-])
-_AC_CANONICAL_SPLIT(build)
-])# AC_CANONICAL_BUILD
-
-
-# AC_CANONICAL_HOST
-# -----------------
-AC_DEFUN_ONCE([AC_CANONICAL_HOST],
-[AC_REQUIRE([AC_CANONICAL_BUILD])dnl
-m4_divert_text([HELP_CANON],
-[[ --host=HOST build programs to run on HOST [BUILD]]])dnl
-AC_CACHE_CHECK([host system type], [ac_cv_host],
-[ac_cv_host_alias=$host_alias
-test -z "$ac_cv_host_alias" &&
- ac_cv_host_alias=$ac_cv_build_alias
-ac_cv_host=`$ac_config_sub $ac_cv_host_alias` ||
- AC_MSG_ERROR([$ac_config_sub $ac_cv_host_alias failed])
-])
-_AC_CANONICAL_SPLIT([host])
-])# AC_CANONICAL_HOST
-
-
-# AC_CANONICAL_TARGET
-# -------------------
-AC_DEFUN_ONCE([AC_CANONICAL_TARGET],
-[AC_REQUIRE([AC_CANONICAL_HOST])dnl
-AC_BEFORE([$0], [AC_ARG_PROGRAM])dnl
-m4_divert_text([HELP_CANON],
-[[ --target=TARGET configure for building compilers for TARGET [HOST]]])dnl
-AC_CACHE_CHECK([target system type], [ac_cv_target],
-[dnl Set target_alias.
-ac_cv_target_alias=$target_alias
-test "x$ac_cv_target_alias" = "x" &&
- ac_cv_target_alias=$ac_cv_host_alias
-ac_cv_target=`$ac_config_sub $ac_cv_target_alias` ||
- AC_MSG_ERROR([$ac_config_sub $ac_cv_target_alias failed])
-])
-_AC_CANONICAL_SPLIT([target])
-
-# The aliases save the names the user supplied, while $host etc.
-# will get canonicalized.
-test -n "$target_alias" &&
- test "$program_prefix$program_suffix$program_transform_name" = \
- NONENONEs,x,x, &&
- program_prefix=${target_alias}-[]dnl
-])# AC_CANONICAL_TARGET
-
-
-AU_ALIAS([AC_CANONICAL_SYSTEM], [AC_CANONICAL_TARGET])
-
-
-# AU::AC_VALIDATE_CACHED_SYSTEM_TUPLE([CMD])
-# ------------------------------------------
-# If the cache file is inconsistent with the current host,
-# target and build system types, execute CMD or print a default
-# error message. Now handled via _AC_ARG_VAR_PRECIOUS.
-AU_DEFUN([AC_VALIDATE_CACHED_SYSTEM_TUPLE], [])
-
-
-## ---------------------- ##
-## Caching test results. ##
-## ---------------------- ##
-
-
-# AC_SITE_LOAD
-# ------------
-# Look for site or system specific initialization scripts.
-m4_define([AC_SITE_LOAD],
-[# Prefer explicitly selected file to automatically selected ones.
-if test -z "$CONFIG_SITE"; then
- if test "x$prefix" != xNONE; then
- CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
- else
- CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
- fi
-fi
-for ac_site_file in $CONFIG_SITE; do
- if test -r "$ac_site_file"; then
- AC_MSG_NOTICE([loading site script $ac_site_file])
- cat "$ac_site_file" >&AS_MESSAGE_LOG_FD
- . "$ac_site_file"
- fi
-done
-])
-
-
-# AC_CACHE_LOAD
-# -------------
-m4_define([AC_CACHE_LOAD],
-[if test -r "$cache_file"; then
- # Some versions of bash will fail to source /dev/null (special
- # files actually), so we avoid doing that.
- if test -f "$cache_file"; then
- AC_MSG_NOTICE([loading cache $cache_file])
- case $cache_file in
- [[\\/]]* | ?:[[\\/]]* ) . $cache_file;;
- *) . ./$cache_file;;
- esac
- fi
-else
- AC_MSG_NOTICE([creating cache $cache_file])
- >$cache_file
-fi
-])# AC_CACHE_LOAD
-
-
-# _AC_CACHE_DUMP
-# --------------
-# Dump the cache to stdout. It can be in a pipe (this is a requirement).
-m4_define([_AC_CACHE_DUMP],
-[# The following way of writing the cache mishandles newlines in values,
-# but we know of no workaround that is simple, portable, and efficient.
-# So, don't put newlines in cache variables' values.
-# Ultrix sh set writes to stderr and can't be redirected directly,
-# and sets the high bit in the cache file unless we assign to the vars.
-{
- (set) 2>&1 |
- case `(ac_space=' '; set | grep ac_space) 2>&1` in
- *ac_space=\ *)
- # `set' does not quote correctly, so add quotes (double-quote
- # substitution turns \\\\ into \\, and sed turns \\ into \).
- sed -n \
- ["s/'/'\\\\''/g;
- s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"]
- ;;
- *)
- # `set' quotes correctly as required by POSIX, so do not add quotes.
- sed -n \
- ["s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"]
- ;;
- esac;
-}dnl
-])# _AC_CACHE_DUMP
-
-
-# AC_CACHE_SAVE
-# -------------
-# Save the cache.
-# Allow a site initialization script to override cache values.
-m4_define([AC_CACHE_SAVE],
-[cat >confcache <<\_ACEOF
-# This file is a shell script that caches the results of configure
-# tests run on this system so they can be shared between configure
-# scripts and configure runs, see configure's option --config-cache.
-# It is not useful on other systems. If it contains results you don't
-# want to keep, you may remove or edit it.
-#
-# config.status only pays attention to the cache file if you give it
-# the --recheck option to rerun configure.
-#
-# `ac_cv_env_foo' variables (set or unset) will be overriden when
-# loading this file, other *unset* `ac_cv_foo' will be assigned the
-# following values.
-
-_ACEOF
-
-_AC_CACHE_DUMP() |
- sed ['
- t clear
- : clear
- s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
- t end
- /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
- : end'] >>confcache
-if cmp -s $cache_file confcache; then :; else
- if test -w $cache_file; then
- test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file"
- cat confcache >$cache_file
- else
- echo "not updating unwritable cache $cache_file"
- fi
-fi
-rm -f confcache[]dnl
-])# AC_CACHE_SAVE
-
-
-# AC_CACHE_VAL(CACHE-ID, COMMANDS-TO-SET-IT)
-# ------------------------------------------
-# The name of shell var CACHE-ID must contain `_cv_' in order to get saved.
-# Should be dnl'ed. Try to catch common mistakes.
-m4_define([AC_CACHE_VAL],
-[m4_if(m4_regexp([$2], [AC_DEFINE]), [-1], [],
- [AC_DIAGNOSE(syntax,
-[$0($1, ...): suspicious presence of an AC_DEFINE in the second argument, ]dnl
-[where no actions should be taken])])dnl
-AS_VAR_SET_IF([$1],
- [echo $ECHO_N "(cached) $ECHO_C" >&AS_MESSAGE_FD],
- [$2])])
-
-
-# AC_CACHE_CHECK(MESSAGE, CACHE-ID, COMMANDS)
-# -------------------------------------------
-# Do not call this macro with a dnl right behind.
-m4_define([AC_CACHE_CHECK],
-[AC_MSG_CHECKING([$1])
-AC_CACHE_VAL([$2], [$3])dnl
-AC_MSG_RESULT_UNQUOTED([AS_VAR_GET([$2])])])
-
-
-
-## ---------------------- ##
-## Defining CPP symbols. ##
-## ---------------------- ##
-
-
-# AC_DEFINE_TRACE_LITERAL(LITERAL-CPP-SYMBOL)
-# -------------------------------------------
-# This macro is useless, it is used only with --trace to collect the
-# list of *literals* CPP values passed to AC_DEFINE/AC_DEFINE_UNQUOTED.
-m4_define([AC_DEFINE_TRACE_LITERAL])
-
-
-# AC_DEFINE_TRACE(CPP-SYMBOL)
-# ---------------------------
-# This macro is a wrapper around AC_DEFINE_TRACE_LITERAL which filters
-# out non literal symbols.
-m4_define([AC_DEFINE_TRACE],
-[AS_LITERAL_IF([$1], [AC_DEFINE_TRACE_LITERAL([$1])])])
-
-
-# AC_DEFINE(VARIABLE, [VALUE], [DESCRIPTION])
-# -------------------------------------------
-# Set VARIABLE to VALUE, verbatim, or 1. Remember the value
-# and if VARIABLE is affected the same VALUE, do nothing, else
-# die. The third argument is used by autoheader.
-m4_define([AC_DEFINE],
-[AC_DEFINE_TRACE([$1])dnl
-m4_ifval([$3], [_AH_TEMPLATE_OLD([$1], [$3])])dnl
-cat >>confdefs.h <<\EOF
-[@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)
-EOF
-])
-
-
-# AC_DEFINE_UNQUOTED(VARIABLE, [VALUE], [DESCRIPTION])
-# ----------------------------------------------------
-# Similar, but perform shell substitutions $ ` \ once on VALUE.
-m4_define([AC_DEFINE_UNQUOTED],
-[AC_DEFINE_TRACE([$1])dnl
-m4_ifval([$3], [_AH_TEMPLATE_OLD([$1], [$3])])dnl
-cat >>confdefs.h <<EOF
-[@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)
-EOF
-])
-
-
-
-## -------------------------- ##
-## Setting output variables. ##
-## -------------------------- ##
-
-
-# _AC_SUBST(VARIABLE, PROGRAM)
-# ----------------------------
-# If VARIABLE has not already been AC_SUBST'ed, append the sed PROGRAM
-# to `_AC_SUBST_SED_PROGRAM'.
-m4_define([_AC_SUBST],
-[m4_expand_once([m4_append([_AC_SUBST_SED_PROGRAM],
-[$2
-])])dnl
-])
-
-# Initialize.
-m4_define([_AC_SUBST_SED_PROGRAM])
-
-
-# AC_SUBST(VARIABLE, [VALUE])
-# ---------------------------
-# Create an output variable from a shell VARIABLE. If VALUE is given
-# assign it to VARIABLE. Use `""' is you want to set VARIABLE to an
-# empty value, not an empty second argument.
-#
-# Beware that if you change this macro, you also have to change the
-# sed script at the top of _AC_OUTPUT_FILES.
-m4_define([AC_SUBST],
-[m4_ifvaln([$2], [$1=$2])[]dnl
-_AC_SUBST([$1], [s,@$1@,[$]$1,;t t])dnl
-])# AC_SUBST
-
-
-# AC_SUBST_FILE(VARIABLE)
-# -----------------------
-# Read the comments of the preceding macro.
-m4_define([AC_SUBST_FILE],
-[_AC_SUBST([$1], [/@$1@/r [$]$1
-s,@$1@,,;t t])])
-
-
-
-## --------------------------------------- ##
-## Printing messages at autoconf runtime. ##
-## --------------------------------------- ##
-
-# In fact, I think we should promote the use of m4_warn and m4_fatal
-# directly. This will also avoid to some people to get it wrong
-# between AC_FATAL and AC_MSG_ERROR.
-
-
-# AC_DIAGNOSE(CATEGORY, MESSAGE)
-# AC_FATAL(MESSAGE, [EXIT-STATUS])
-# --------------------------------
-m4_copy([m4_warn], [AC_DIAGNOSE])
-m4_copy([m4_fatal], [AC_FATAL])
-
-
-# AC_WARNING(MESSAGE)
-# -------------------
-# Report a MESSAGE to the user of autoconf if `-W' or `-W all' was
-# specified.
-m4_define([AC_WARNING],
-[AC_DIAGNOSE([syntax], [$1])])
-
-
-
-
-## ---------------------------------------- ##
-## Printing messages at configure runtime. ##
-## ---------------------------------------- ##
-
-
-# _AC_ECHO_N(STRING, [FD = AS_MESSAGE_FD])
-# ------------------------------------
-# Same as _AS_ECHO, but echo doesn't return to a new line.
-m4_define([_AC_ECHO_N],
-[echo $ECHO_N "_AS_QUOTE([$1])$ECHO_C" >&m4_default([$2],
- [AS_MESSAGE_FD])])
-
-
-# AC_MSG_CHECKING(FEATURE)
-# ------------------------
-m4_define([AC_MSG_CHECKING],
-[_AS_ECHO([$as_me:__oline__: checking $1], AS_MESSAGE_LOG_FD)
-_AC_ECHO_N([checking $1... ])[]dnl
-])
-
-
-# AC_MSG_RESULT(RESULT)
-# ---------------------
-m4_define([AC_MSG_RESULT],
-[_AS_ECHO([$as_me:__oline__: result: $1], AS_MESSAGE_LOG_FD)
-_AS_ECHO([${ECHO_T}$1])[]dnl
-])
-
-
-# AC_MSG_RESULT_UNQUOTED(RESULT)
-# ------------------------------
-# Likewise, but perform $ ` \ shell substitutions.
-m4_define([AC_MSG_RESULT_UNQUOTED],
-[_AS_ECHO_UNQUOTED([$as_me:__oline__: result: $1], AS_MESSAGE_LOG_FD)
-_AS_ECHO_UNQUOTED([${ECHO_T}$1])[]dnl
-])
-
-
-# AC_MSG_WARN(PROBLEM)
-# AC_MSG_NOTICE(STRING)
-# AC_MSG_ERROR(ERROR, [EXIT-STATUS = 1])
-# --------------------------------------
-m4_copy([AS_WARN], [AC_MSG_WARN])
-m4_copy([AS_MESSAGE], [AC_MSG_NOTICE])
-m4_copy([AS_ERROR], [AC_MSG_ERROR])
-
-
-# AU::AC_CHECKING(FEATURE)
-# ------------------------
-AU_DEFUN([AC_CHECKING],
-[AS_MESSAGE([checking $1...])])
-
-
-# AU::AC_VERBOSE(STRING)
-# ----------------------
-AU_ALIAS([AC_VERBOSE], [AC_MSG_RESULT])
-
-
-
-
-
-
-## ---------------------------- ##
-## Compiler-running mechanics. ##
-## ---------------------------- ##
-
-
-# _AC_RUN_LOG(COMMAND, LOG-COMMANDS)
-# ----------------------------------
-# Eval COMMAND, save the exit status in ac_status, and log it.
-AC_DEFUN([_AC_RUN_LOG],
-[{ ($2) >&AS_MESSAGE_LOG_FD
- ($1) 2>&AS_MESSAGE_LOG_FD
- ac_status=$?
- echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
- (exit $ac_status); }])
-
-
-# _AC_RUN_LOG_STDERR(COMMAND, LOG-COMMANDS)
-# -----------------------------------------
-# Eval COMMAND, save its stderr into conftest.err, save the exit status
-# in ac_status, and log it.
-# Note that when tracing, most shells will leave the traces in stderr
-AC_DEFUN([_AC_RUN_LOG_STDERR],
-[{ ($2) >&AS_MESSAGE_LOG_FD
- ($1) 2>conftest.er1
- ac_status=$?
- egrep -v '^ *\+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&AS_MESSAGE_LOG_FD
- echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
- (exit $ac_status); }])
-
-
-# _AC_EVAL(COMMAND)
-# -----------------
-# Eval COMMAND, save the exit status in ac_status, and log it.
-AC_DEFUN([_AC_EVAL],
-[_AC_RUN_LOG([eval $1],
- [eval echo "$as_me:__oline__: \"$1\""])])
-
-
-# _AC_EVAL_STDERR(COMMAND)
-# ------------------------
-# Eval COMMAND, save its stderr into conftest.err, save the exit status
-# in ac_status, and log it.
-# Note that when tracing, most shells will leave the traces in stderr
-AC_DEFUN([_AC_EVAL_STDERR],
-[_AC_RUN_LOG_STDERR([eval $1],
- [eval echo "$as_me:__oline__: \"$1\""])])
-
-
-# AC_TRY_EVAL(VARIABLE)
-# ---------------------
-# The purpose of this macro is to "configure:123: command line"
-# written into config.log for every test run.
-AC_DEFUN([AC_TRY_EVAL],
-[_AC_EVAL([$$1])])
-
-
-# AC_TRY_COMMAND(COMMAND)
-# -----------------------
-AC_DEFUN([AC_TRY_COMMAND],
-[{ ac_try='$1'
- _AC_EVAL([$ac_try]); }])
-
-
-# AC_RUN_LOG(COMMAND)
-# -------------------
-AC_DEFUN([AC_RUN_LOG],
-[_AC_RUN_LOG([$1],
- [echo "$as_me:__oline__: AS_ESCAPE([$1])"])])
-
-
-## ------------------ ##
-## Default includes. ##
-## ------------------ ##
-
-# Always use the same set of default headers for all the generic
-# macros. It is easier to document, to extend, and to understand than
-# having specific defaults for each macro.
-
-# _AC_INCLUDES_DEFAULT_REQUIREMENTS
-# ---------------------------------
-# Required when AC_INCLUDES_DEFAULT uses its default branch.
-AC_DEFUN([_AC_INCLUDES_DEFAULT_REQUIREMENTS],
-[m4_divert_text([DEFAULTS],
-[# Factoring default headers for most tests.
-dnl If ever you change this variable, please keep autoconf.texi in sync.
-ac_includes_default="\
-#include <stdio.h>
-#if HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#if HAVE_SYS_STAT_H
-# include <sys/stat.h>
-#endif
-#if STDC_HEADERS
-# include <stdlib.h>
-# include <stddef.h>
-#else
-# if HAVE_STDLIB_H
-# include <stdlib.h>
-# endif
-#endif
-#if HAVE_STRING_H
-# if !STDC_HEADERS && HAVE_MEMORY_H
-# include <memory.h>
-# endif
-# include <string.h>
-#endif
-#if HAVE_STRINGS_H
-# include <strings.h>
-#endif
-#if HAVE_INTTYPES_H
-# include <inttypes.h>
-#else
-# if HAVE_STDINT_H
-# include <stdint.h>
-# endif
-#endif
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif"
-])dnl
-AC_REQUIRE([AC_HEADER_STDC])dnl
-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
-AC_CHECK_HEADERS([sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
- inttypes.h stdint.h unistd.h],
- [], [], $ac_includes_default)
-])# _AC_INCLUDES_DEFAULT_REQUIREMENTS
-
-
-# AC_INCLUDES_DEFAULT([INCLUDES])
-# -------------------------------
-# If INCLUDES is empty, expand in default includes, otherwise in
-# INCLUDES.
-# In most cases INCLUDES is not double quoted as it should, and if
-# for instance INCLUDES = `#include <stdio.h>' then unless we force
-# a newline, the hash will swallow the closing paren etc. etc.
-# The usual failure.
-# Take no risk: for the newline.
-AC_DEFUN([AC_INCLUDES_DEFAULT],
-[m4_ifval([$1], [$1
-],
- [AC_REQUIRE([_AC_INCLUDES_DEFAULT_REQUIREMENTS])dnl
-$ac_includes_default])])
-
-
-
-
-## ----------------------- ##
-## Checking for programs. ##
-## ----------------------- ##
-
-
-# AC_SHELL_PATH_WALK([PATH = $PATH], BODY)
-# ----------------------------------------
-# Walk through PATH running BODY for each `ac_dir'.
-#
-# `$ac_dummy' forces splitting on constant user-supplied paths.
-# POSIX.2 word splitting is done only on the output of word
-# expansions, not every word. This closes a longstanding sh security
-# hole.
-m4_define([AC_SHELL_PATH_WALK],
-[ac_save_IFS=$IFS; IFS=$ac_path_separator
-ac_dummy="m4_default([$1], [$PATH])"
-for ac_dir in $ac_dummy; do
- IFS=$ac_save_IFS
- test -z "$ac_dir" && ac_dir=.
- $2
-done
-])
-
-
-# AC_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
-# [VALUE-IF-FOUND], [VALUE-IF-NOT-FOUND],
-# [PATH], [REJECT])
-# -----------------------------------------------------
-AC_DEFUN([AC_CHECK_PROG],
-[# Extract the first word of "$2", so it can be a program name with args.
-set dummy $2; ac_word=$[2]
-AC_MSG_CHECKING([for $ac_word])
-AC_CACHE_VAL(ac_cv_prog_$1,
-[if test -n "$$1"; then
- ac_cv_prog_$1="$$1" # Let the user override the test.
-else
-m4_ifvaln([$6],
-[ ac_prog_rejected=no])dnl
- AC_SHELL_PATH_WALK([$5],
-[AS_EXECUTABLE_P("$ac_dir/$ac_word") || continue
-m4_ifvaln([$6],
-[if test "$ac_dir/$ac_word" = "$6"; then
- ac_prog_rejected=yes
- continue
-fi])dnl
-ac_cv_prog_$1="$3"
-echo "$as_me:__oline__: found $ac_dir/$ac_word" >&AS_MESSAGE_LOG_FD
-break])
-m4_ifvaln([$6],
-[if test $ac_prog_rejected = yes; then
- # We found a bogon in the path, so make sure we never use it.
- set dummy $ac_cv_prog_$1
- shift
- if test $[@%:@] != 0; then
- # We chose a different compiler from the bogus one.
- # However, it has the same basename, so the bogon will be chosen
- # first if we set $1 to just the basename; use the full file name.
- shift
- set dummy "$ac_dir/$ac_word" ${1+"$[@]"}
- shift
- ac_cv_prog_$1="$[@]"
-m4_if([$2], [$4],
-[ else
- # Default is a loser.
- AC_MSG_ERROR([$1=$6 unacceptable, but no other $4 found in dnl
-m4_default([$5], [\$PATH])])
-])dnl
- fi
-fi])dnl
-dnl If no 4th arg is given, leave the cache variable unset,
-dnl so AC_CHECK_PROGS will keep looking.
-m4_ifvaln([$4],
-[ test -z "$ac_cv_prog_$1" && ac_cv_prog_$1="$4"])dnl
-fi])dnl
-$1=$ac_cv_prog_$1
-if test -n "$$1"; then
- AC_MSG_RESULT([$$1])
-else
- AC_MSG_RESULT([no])
-fi
-AC_SUBST($1)dnl
-])# AC_CHECK_PROG
-
-
-# AC_CHECK_PROGS(VARIABLE, PROGS-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND],
-# [PATH])
-# ------------------------------------------------------------------
-AC_DEFUN([AC_CHECK_PROGS],
-[for ac_prog in $2
-do
- AC_CHECK_PROG([$1], [$ac_prog], [$ac_prog], , [$4])
- test -n "$$1" && break
-done
-m4_ifvaln([$3], [test -n "$$1" || $1="$3"])])
-
-
-# AC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND], [PATH])
-# -----------------------------------------------------------------------
-AC_DEFUN([AC_PATH_PROG],
-[# Extract the first word of "$2", so it can be a program name with args.
-set dummy $2; ac_word=$[2]
-AC_MSG_CHECKING([for $ac_word])
-AC_CACHE_VAL([ac_cv_path_$1],
-[case $$1 in
- [[\\/]]* | ?:[[\\/]]*)
- ac_cv_path_$1="$$1" # Let the user override the test with a path.
- ;;
- *)
- AC_SHELL_PATH_WALK([$4],
-[if AS_EXECUTABLE_P("$ac_dir/$ac_word"); then
- ac_cv_path_$1="$ac_dir/$ac_word"
- echo "$as_me:__oline__: found $ac_dir/$ac_word" >&AS_MESSAGE_LOG_FD
- break
-fi])
-dnl If no 3rd arg is given, leave the cache variable unset,
-dnl so AC_PATH_PROGS will keep looking.
-m4_ifvaln([$3],
-[ test -z "$ac_cv_path_$1" && ac_cv_path_$1="$3"])dnl
- ;;
-esac])dnl
-AC_SUBST([$1], [$ac_cv_path_$1])
-if test -n "$$1"; then
- AC_MSG_RESULT([$$1])
-else
- AC_MSG_RESULT([no])
-fi
-])# AC_PATH_PROG
-
-
-# AC_PATH_PROGS(VARIABLE, PROGS-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND],
-# [PATH])
-# -----------------------------------------------------------------
-AC_DEFUN([AC_PATH_PROGS],
-[for ac_prog in $2
-do
- AC_PATH_PROG([$1], [$ac_prog], , [$4])
- test -n "$$1" && break
-done
-m4_ifvaln([$3], [test -n "$$1" || $1="$3"])dnl
-])
-
-
-
-
-## -------------------- ##
-## Checking for tools. ##
-## -------------------- ##
-
-
-# AC_CHECK_TOOL_PREFIX
-# --------------------
-AU_DEFUN([AC_CHECK_TOOL_PREFIX])
-
-
-# AC_PATH_TOOL(VARIABLE, PROG-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND], [PATH])
-# -----------------------------------------------------------------------
-# (Use different variables $1 and ac_pt_$1 so that cache vars don't conflict.)
-AC_DEFUN([AC_PATH_TOOL],
-[if test -n "$ac_tool_prefix"; then
- AC_PATH_PROG([$1], [${ac_tool_prefix}$2], , [$4])
-fi
-if test -z "$ac_cv_path_$1"; then
- ac_pt_$1=$$1
- AC_PATH_PROG([ac_pt_$1], [$2], [$3], [$4])
- $1=$ac_pt_$1
-else
- $1="$ac_cv_path_$1"
-fi
-])# AC_PATH_TOOL
-
-
-# AC_CHECK_TOOL(VARIABLE, PROG-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND], [PATH])
-# ------------------------------------------------------------------------
-# (Use different variables $1 and ac_ct_$1 so that cache vars don't conflict.)
-AC_DEFUN([AC_CHECK_TOOL],
-[if test -n "$ac_tool_prefix"; then
- AC_CHECK_PROG([$1], [${ac_tool_prefix}$2], [${ac_tool_prefix}$2], , [$4])
-fi
-if test -z "$ac_cv_prog_$1"; then
- ac_ct_$1=$$1
- AC_CHECK_PROG([ac_ct_$1], [$2], [$2], [$3], [$4])
- $1=$ac_ct_$1
-else
- $1="$ac_cv_prog_$1"
-fi
-])# AC_CHECK_TOOL
-
-
-# AC_CHECK_TOOLS(VARIABLE, PROGS-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND],
-# [PATH])
-# ------------------------------------------------------------------
-# Check for each tool in PROGS-TO-CHECK-FOR with the cross prefix. If
-# none can be found with a cross prefix, then use the first one that
-# was found without the cross prefix.
-AC_DEFUN([AC_CHECK_TOOLS],
-[if test -n "$ac_tool_prefix"; then
- for ac_prog in $2
- do
- AC_CHECK_PROG([$1],
- [$ac_tool_prefix$ac_prog], [$ac_tool_prefix$ac_prog],,
- [$4])
- test -n "$$1" && break
- done
-fi
-if test -z "$$1"; then
- ac_ct_$1=$$1
- AC_CHECK_PROGS([ac_ct_$1], [$2], [$3], [$4])
- $1=$ac_ct_$1
-fi
-])# AC_CHECK_TOOLS
-
-
-# AC_PREFIX_PROGRAM(PROGRAM)
-# --------------------------
-# Guess the value for the `prefix' variable by looking for
-# the argument program along PATH and taking its parent.
-# Example: if the argument is `gcc' and we find /usr/local/gnu/bin/gcc,
-# set `prefix' to /usr/local/gnu.
-# This comes too late to find a site file based on the prefix,
-# and it might use a cached value for the path.
-# No big loss, I think, since most configures don't use this macro anyway.
-AC_DEFUN([AC_PREFIX_PROGRAM],
-[dnl Get an upper case version of $[1].
-m4_pushdef([AC_Prog], m4_toupper([$1]))dnl
-if test "x$prefix" = xNONE; then
-dnl We reimplement AC_MSG_CHECKING (mostly) to avoid the ... in the middle.
- echo $ECHO_N "checking for prefix by $ECHO_C" >&AS_MESSAGE_FD
- AC_PATH_PROG(m4_quote(AC_Prog), [$1])
- if test -n "$ac_cv_path_[]AC_Prog"; then
- prefix=`AS_DIRNAME(["$ac_cv_path_[]AC_Prog"])`
- fi
-fi
-m4_popdef([AC_Prog])dnl
-])# AC_PREFIX_PROGRAM
-
-
-
-
-## ------------------------ ##
-## Checking for libraries. ##
-## ------------------------ ##
-
-
-# AC_TRY_LINK_FUNC(FUNC, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
-# ------------------------------------------------------------
-# Try to link a program that calls FUNC, handling GCC builtins. If
-# the link succeeds, execute ACTION-IF-FOUND; otherwise, execute
-# ACTION-IF-NOT-FOUND.
-AC_DEFUN([AC_TRY_LINK_FUNC],
-[AC_LINK_IFELSE([AC_LANG_CALL([], [$1])], [$2], [$3])])
-
-
-# AC_SEARCH_LIBS(FUNCTION, SEARCH-LIBS,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-# [OTHER-LIBRARIES])
-# --------------------------------------------------------
-# Search for a library defining FUNC, if it's not already available.
-AC_DEFUN([AC_SEARCH_LIBS],
-[AC_CACHE_CHECK([for library containing $1], [ac_cv_search_$1],
-[ac_func_search_save_LIBS=$LIBS
-ac_cv_search_$1=no
-AC_TRY_LINK_FUNC([$1], [ac_cv_search_$1="none required"])
-if test "$ac_cv_search_$1" = no; then
- for ac_lib in $2; do
- LIBS="-l$ac_lib $5 $ac_func_search_save_LIBS"
- AC_TRY_LINK_FUNC([$1],
- [ac_cv_search_$1="-l$ac_lib"
-break])
- done
-fi
-LIBS=$ac_func_search_save_LIBS])
-AS_IF([test "$ac_cv_search_$1" != no],
- [test "$ac_cv_search_$1" = "none required" || LIBS="$ac_cv_search_$1 $LIBS"
- $3],
- [$4])dnl
-])
-
-
-
-# AC_CHECK_LIB(LIBRARY, FUNCTION,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-# [OTHER-LIBRARIES])
-# ------------------------------------------------------
-#
-# Use a cache variable name containing both the library and function name,
-# because the test really is for library $1 defining function $2, not
-# just for library $1. Separate tests with the same $1 and different $2s
-# may have different results.
-#
-# Note that using directly AS_VAR_PUSHDEF([ac_Lib], [ac_cv_lib_$1_$2])
-# is asking for troubles, since AC_CHECK_LIB($lib, fun) would give
-# ac_cv_lib_$lib_fun, which is definitely not what was meant. Hence
-# the AS_LITERAL_IF indirection.
-#
-# FIXME: This macro is extremely suspicious. It DEFINEs unconditionnally,
-# whatever the FUNCTION, in addition to not being a *S macro. Note
-# that the cache does depend upon the function we are looking for.
-#
-# It is on purpose we used `ac_check_lib_save_LIBS' and not just
-# `ac_save_LIBS': there are many macros which don't want to see `LIBS'
-# changed but still want to use AC_CHECK_LIB, so they save `LIBS'.
-# And ``ac_save_LIBS' is too tempting a name, so let's leave them some
-# freedom.
-AC_DEFUN([AC_CHECK_LIB],
-[m4_ifval([$3], , [AH_CHECK_LIB([$1])])dnl
-AS_LITERAL_IF([$1],
- [AS_VAR_PUSHDEF([ac_Lib], [ac_cv_lib_$1_$2])],
- [AS_VAR_PUSHDEF([ac_Lib], [ac_cv_lib_$1''_$2])])dnl
-AC_CACHE_CHECK([for $2 in -l$1], ac_Lib,
-[ac_check_lib_save_LIBS=$LIBS
-LIBS="-l$1 $5 $LIBS"
-AC_TRY_LINK_FUNC([$2],
- [AS_VAR_SET(ac_Lib, yes)],
- [AS_VAR_SET(ac_Lib, no)])
-LIBS=$ac_check_lib_save_LIBS])
-AS_IF([test AS_VAR_GET(ac_Lib) = yes],
- [m4_default([$3], [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_LIB$1))
- LIBS="-l$1 $LIBS"
-])],
- [$4])dnl
-AS_VAR_POPDEF([ac_Lib])dnl
-])# AC_CHECK_LIB
-
-
-# AH_CHECK_LIB(LIBNAME)
-# ---------------------
-m4_define([AH_CHECK_LIB],
-[AH_TEMPLATE(AS_TR_CPP(HAVE_LIB$1),
- [Define if you have the `]$1[' library (-l]$1[).])])
-
-
-# AC_HAVE_LIBRARY(LIBRARY,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-# [OTHER-LIBRARIES])
-# ---------------------------------------------------------
-#
-# This macro is equivalent to calling `AC_CHECK_LIB' with a FUNCTION
-# argument of `main'. In addition, LIBRARY can be written as any of
-# `foo', `-lfoo', or `libfoo.a'. In all of those cases, the compiler
-# is passed `-lfoo'. However, LIBRARY cannot be a shell variable;
-# it must be a literal name.
-AU_DEFUN([AC_HAVE_LIBRARY],
-[m4_pushdef([AC_Lib_Name],
- m4_patsubst(m4_patsubst([[$1]],
- [lib\([^\.]*\)\.a], [\1]),
- [-l], []))dnl
-AC_CHECK_LIB(AC_Lib_Name, main, [$2], [$3], [$4])dnl
-ac_cv_lib_[]AC_Lib_Name()=ac_cv_lib_[]AC_Lib_Name()_main
-m4_popdef([AC_Lib_Name])dnl
-])
-
-
-
-## ------------------------ ##
-## Examining declarations. ##
-## ------------------------ ##
-
-
-
-# _AC_PREPROC_IFELSE(PROGRAM, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
-# ----------------------------------------------------------------
-# Try to preprocess PROGRAM.
-#
-# This macro can be used during the selection of a preprocessor.
-# Run cpp and set ac_cpp_err to "yes" for an error, to
-# "$ac_(c,cxx)_preproc_warn_flag" if there are warnings or to "" if
-# neither warnings nor errors have been detected. eval is necessary
-# to expand ac_cpp.
-AC_DEFUN([_AC_PREPROC_IFELSE],
-[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
-if _AC_EVAL_STDERR([$ac_cpp conftest.$ac_ext]) >/dev/null; then
- if test -s conftest.err; then
- ac_cpp_err=$ac_[]_AC_LANG_ABBREV[]_preproc_warn_flag
- else
- ac_cpp_err=
- fi
-else
- ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
- m4_default([$2], :)
-else
- echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD
- cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD
- $3
-fi
-rm -f conftest.err m4_ifval([$1], [conftest.$ac_ext])[]dnl
-])# _AC_PREPROC_IFELSE
-
-
-# AC_PREPROC_IFELSE(PROGRAM, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
-# ---------------------------------------------------------------
-# Try to preprocess PROGRAM. Requires that the preprocessor for the
-# current language was checked for, hence do not use this macro in macros
-# looking for a preprocessor.
-AC_DEFUN([AC_PREPROC_IFELSE],
-[AC_LANG_PREPROC_REQUIRE()dnl
-_AC_PREPROC_IFELSE($@)])
-
-
-# AC_TRY_CPP(INCLUDES, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
-# ---------------------------------------------------------
-# AC_TRY_CPP is used to check whether particular header files exist.
-# (But it actually tests whether INCLUDES produces no CPP errors.)
-#
-# INCLUDES are not defaulted and are double quoted.
-AC_DEFUN([AC_TRY_CPP],
-[AC_PREPROC_IFELSE([AC_LANG_SOURCE([[$1]])], [$2], [$3])])
-
-
-# AC_EGREP_CPP(PATTERN, PROGRAM,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# ------------------------------------------------------
-# Because this macro is used by AC_PROG_GCC_TRADITIONAL, which must
-# come early, it is not included in AC_BEFORE checks.
-AC_DEFUN([AC_EGREP_CPP],
-[AC_LANG_PREPROC_REQUIRE()dnl
-AC_LANG_CONFTEST([AC_LANG_SOURCE([[$2]])])
-dnl eval is necessary to expand ac_cpp.
-dnl Ultrix and Pyramid sh refuse to redirect output of eval, so use subshell.
-if (eval "$ac_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD |
-dnl Quote $1 to prevent m4 from eating character classes
- egrep "[$1]" >/dev/null 2>&1; then
- m4_default([$3], :)
-m4_ifvaln([$4], [else
- $4])dnl
-fi
-rm -f conftest*
-])# AC_EGREP_CPP
-
-
-# AC_EGREP_HEADER(PATTERN, HEADER-FILE,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# ---------------------------------------------------------
-AC_DEFUN([AC_EGREP_HEADER],
-[AC_EGREP_CPP([$1],
-[#include <$2>
-], [$3], [$4])])
-
-
-
-
-## ------------------ ##
-## Examining syntax. ##
-## ------------------ ##
-
-
-# _AC_COMPILE_IFELSE(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# ---------------------------------------------------------------------
-# Try to compile PROGRAM.
-# This macro can be used during the selection of a compiler.
-m4_define([_AC_COMPILE_IFELSE],
-[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
-rm -f conftest.$ac_objext
-AS_IF([AC_TRY_EVAL(ac_compile) &&
- AC_TRY_COMMAND([test -s conftest.$ac_objext])],
- [$2],
- [echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD
-cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD
-m4_ifvaln([$3],[$3])dnl])dnl
-rm -f conftest.$ac_objext m4_ifval([$1], [conftest.$ac_ext])[]dnl
-])# _AC_COMPILE_IFELSE
-
-
-# AC_COMPILE_IFELSE(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# --------------------------------------------------------------------
-# Try to compile PROGRAM. Requires that the compiler for the current
-# language was checked for, hence do not use this macro in macros looking
-# for a compiler.
-AC_DEFUN([AC_COMPILE_IFELSE],
-[AC_LANG_COMPILER_REQUIRE()dnl
-_AC_COMPILE_IFELSE($@)])
-
-
-# AC_TRY_COMPILE(INCLUDES, FUNCTION-BODY,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# --------------------------------------------------------
-AC_DEFUN([AC_TRY_COMPILE],
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$1]], [[$2]])], [$3], [$4])])
-
-
-
-## --------------------- ##
-## Examining libraries. ##
-## --------------------- ##
-
-
-# _AC_LINK_IFELSE(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# ------------------------------------------------------------------
-# Try to link PROGRAM.
-# This macro can be used during the selection of a compiler.
-m4_define([_AC_LINK_IFELSE],
-[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
-rm -f conftest.$ac_objext conftest$ac_exeext
-AS_IF([AC_TRY_EVAL(ac_link) &&
- AC_TRY_COMMAND([test -s conftest$ac_exeext])],
- [$2],
- [echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD
-cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD
-m4_ifvaln([$3], [$3])dnl])[]dnl
-rm -f conftest.$ac_objext conftest$ac_exeext m4_ifval([$1], [conftest.$ac_ext])[]dnl
-])# _AC_LINK_IFELSE
-
-
-# AC_LINK_IFELSE(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# -----------------------------------------------------------------
-# Try to link PROGRAM. Requires that the compiler for the current
-# language was checked for, hence do not use this macro in macros looking
-# for a compiler.
-AC_DEFUN([AC_LINK_IFELSE],
-[AC_LANG_COMPILER_REQUIRE()dnl
-_AC_LINK_IFELSE($@)])
-
-
-# AC_TRY_LINK(INCLUDES, FUNCTION-BODY,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# -----------------------------------------------------
-# Should the INCLUDES be defaulted here?
-# Contrarily to AC_LINK_IFELSE, this macro double quote its first two args.
-# FIXME: WARNING: The code to compile was different in the case of
-# Fortran between AC_TRY_COMPILE and AC_TRY_LINK, though they should
-# equivalent as far as I can tell from the semantics and the docs. In
-# the former, $[2] is used as is, in the latter, it is `call' ed.
-# Remove these FIXME: once truth established.
-AC_DEFUN([AC_TRY_LINK],
-[AC_LINK_IFELSE([AC_LANG_PROGRAM([[$1]], [[$2]])], [$3], [$4])])
-
-
-# AC_COMPILE_CHECK(ECHO-TEXT, INCLUDES, FUNCTION-BODY,
-# ACTION-IF-FOUND, [ACTION-IF-NOT-FOUND])
-# --------------------------------------------------------
-AU_DEFUN([AC_COMPILE_CHECK],
-[m4_ifvaln([$1], [AC_CHECKING([for $1])])dnl
-AC_LINK_IFELSE([AC_LANG_PROGRAM([[$2]], [[$3]])], [$4], [$5])
-])
-
-
-
-
-## -------------------------------- ##
-## Checking for run-time features. ##
-## -------------------------------- ##
-
-
-# _AC_RUN_IFELSE(PROGRAM, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
-# ------------------------------------------------------------
-# Compile, link, and run.
-# This macro can be used during the selection of a compiler.
-# We also remove conftest.o as if the compilation fails, some compilers
-# don't remove it.
-m4_define([_AC_RUN_IFELSE],
-[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
-rm -f conftest$ac_exeext
-AS_IF([AC_TRY_EVAL(ac_link) && AC_TRY_COMMAND(./conftest$ac_exeext)],
- [$2],
- [echo "$as_me: program exited with status $ac_status" >&AS_MESSAGE_LOG_FD
-echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD
-cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD
-m4_ifvaln([$3], [$3])dnl])[]dnl
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext m4_ifval([$1],
- [conftest.$ac_ext])[]dnl
-])# _AC_RUN_IFELSE
-
-
-# AC_RUN_IFELSE(PROGRAM,
-# [ACTION-IF-TRUE], [ACTION-IF-FALSE],
-# [ACTION-IF-CROSS-COMPILING = RUNTIME-ERROR])
-# ----------------------------------------------------------
-# Compile, link, and run. Requires that the compiler for the current
-# language was checked for, hence do not use this macro in macros looking
-# for a compiler.
-AC_DEFUN([AC_RUN_IFELSE],
-[AC_LANG_COMPILER_REQUIRE()dnl
-m4_ifval([$4], [],
- [AC_DIAGNOSE([cross],
- [$0 called without default to allow cross compiling])])dnl
-if test "$cross_compiling" = yes; then
- m4_default([$4],
- [AC_MSG_ERROR([cannot run test program while cross compiling])])
-else
- _AC_RUN_IFELSE($@)
-fi])
-
-
-# AC_TRY_RUN(PROGRAM,
-# [ACTION-IF-TRUE], [ACTION-IF-FALSE],
-# [ACTION-IF-CROSS-COMPILING = RUNTIME-ERROR])
-# --------------------------------------------------------
-AC_DEFUN([AC_TRY_RUN],
-[AC_RUN_IFELSE([AC_LANG_SOURCE([[$1]])], [$2], [$3], [$4])])
-
-
-
-## ------------------------------------- ##
-## Checking for the existence of files. ##
-## ------------------------------------- ##
-
-# AC_CHECK_FILE(FILE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# -------------------------------------------------------------
-#
-# Check for the existence of FILE.
-AC_DEFUN([AC_CHECK_FILE],
-[AC_DIAGNOSE([cross],
- [cannot check for file existence when cross compiling])dnl
-AS_VAR_PUSHDEF([ac_File], [ac_cv_file_$1])dnl
-AC_CACHE_CHECK([for $1], ac_File,
-[test "$cross_compiling" = yes &&
- AC_MSG_ERROR([cannot check for file existence when cross compiling])
-if test -r "$1"; then
- AS_VAR_SET(ac_File, yes)
-else
- AS_VAR_SET(ac_File, no)
-fi])
-AS_IF([test AS_VAR_GET(ac_File) = yes], [$2], [$3])[]dnl
-AS_VAR_POPDEF([ac_File])dnl
-])# AC_CHECK_FILE
-
-
-# AC_CHECK_FILES(FILE..., [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# -----------------------------------------------------------------
-AC_DEFUN([AC_CHECK_FILES],
-[AC_FOREACH([AC_FILE_NAME], [$1],
- [AC_CHECK_FILE(AC_FILE_NAME,
- [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_[]AC_FILE_NAME), 1,
- [Define if you have the file `]AC_File['.])
-$2],
- [$3])])])
-
-
-## ------------------------------- ##
-## Checking for declared symbols. ##
-## ------------------------------- ##
-
-
-# AC_CHECK_DECL(SYMBOL,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-# [INCLUDES])
-# -------------------------------------------------------
-# Check if SYMBOL (a variable or a function) is declared.
-AC_DEFUN([AC_CHECK_DECL],
-[AS_VAR_PUSHDEF([ac_Symbol], [ac_cv_have_decl_$1])dnl
-AC_CACHE_CHECK([whether $1 is declared], ac_Symbol,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT([$4])],
-[#ifndef $1
- char *p = (char *) $1;
-#endif
-])],
- [AS_VAR_SET(ac_Symbol, yes)],
- [AS_VAR_SET(ac_Symbol, no)])])
-AS_IF([test AS_VAR_GET(ac_Symbol) = yes], [$2], [$3])[]dnl
-AS_VAR_POPDEF([ac_Symbol])dnl
-])# AC_CHECK_DECL
-
-
-# AC_CHECK_DECLS(SYMBOLS,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-# [INCLUDES])
-# --------------------------------------------------------
-# Defines HAVE_DECL_SYMBOL to 1 if declared, 0 otherwise. See the
-# documentation for a detailed explanation of this difference with
-# other AC_CHECK_*S macros. SYMBOLS is an m4 list.
-AC_DEFUN([AC_CHECK_DECLS],
-[m4_foreach([AC_Symbol], [$1],
- [AC_CHECK_DECL(AC_Symbol,
- [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_DECL_]AC_Symbol), 1,
- [Define to 1 if you have the declaration
- of `]AC_Symbol[', and to 0 if you don't.])
-$2],
- [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_DECL_]AC_Symbol), 0)
-$3],
- [$4])])
-])# AC_CHECK_DECLS
-
-
-## -------------------------------- ##
-## Checking for library functions. ##
-## -------------------------------- ##
-
-
-# AC_LIBSOURCE(FILENAME)
-# ----------------------
-# Announce we might need the file `FILENAME'.
-m4_define([AC_LIBSOURCE], [])
-
-
-# AC_LIBSOURCES([FILENAME1, ...])
-# -------------------------------
-# Announce we might need these files.
-m4_define([AC_LIBSOURCES],
-[m4_foreach([_AC_FILENAME], [$1],
- [AC_LIBSOURCE(_AC_FILENAME)])])
-
-
-# _AC_LIBOBJ(FILENAME-NOEXT, ACTION-IF-INDIR)
-# -------------------------------------------
-# We need `FILENAME-NOEXT.o', save this into `LIBOBJS'.
-# We don't use AC_SUBST/2 because it forces an unneeded eol.
-m4_define([_AC_LIBOBJ],
-[AS_LITERAL_IF([$1],
- [AC_LIBSOURCE([$1.c])],
- [$2])dnl
-AC_SUBST([LIBOBJS])dnl
-LIBOBJS="$LIBOBJS $1.$ac_objext"])
-
-
-# AC_LIBOBJ(FILENAME-NOEXT)
-# -------------------------
-# We need `FILENAME-NOEXT.o', save this into `LIBOBJS'.
-# We don't use AC_SUBST/2 because it forces an unneeded eol.
-m4_define([AC_LIBOBJ],
-[_AC_LIBOBJ([$1],
- [AC_DIAGNOSE(syntax,
- [$0($1): you should use literals])])dnl
-])
-
-
-
-## ----------------------------------- ##
-## Checking compiler characteristics. ##
-## ----------------------------------- ##
-
-
-# _AC_COMPUTE_INT_COMPILE(EXPRESSION, VARIABLE, [INCLUDES])
-# ---------------------------------------------------------
-# Compute the integer EXPRESSION and store the result in the VARIABLE.
-# Works OK if cross compiling.
-m4_define([_AC_COMPUTE_INT_COMPILE],
-[# Depending upon the size, compute the lo and hi bounds.
-AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$3], [($1) >= 0])],
- [ac_lo=0 ac_mid=0
- while :; do
- AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$3], [($1) <= $ac_mid])],
- [ac_hi=$ac_mid; break],
- [ac_lo=`expr $ac_mid + 1`; ac_mid=`expr 2 '*' $ac_mid + 1`])
- done],
- [ac_hi=-1 ac_mid=-1
- while :; do
- AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$3], [($1) >= $ac_mid])],
- [ac_lo=$ac_mid; break],
- [ac_hi=`expr $ac_mid - 1`; ac_mid=`expr 2 '*' $ac_mid`])
- done])
-# Binary search between lo and hi bounds.
-while test "x$ac_lo" != "x$ac_hi"; do
- ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
- AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$3], [($1) <= $ac_mid])],
- [ac_hi=$ac_mid], [ac_lo=`expr $ac_mid + 1`])
-done
-$2=$ac_lo[]dnl
-])# _AC_COMPUTE_INT_COMPILE
-
-
-# _AC_COMPUTE_INT_RUN(EXPRESSION, VARIABLE, [INCLUDES], [IF-FAILS])
-# -----------------------------------------------------------------
-# Store the evaluation of the integer EXPRESSION in VARIABLE.
-m4_define([_AC_COMPUTE_INT_RUN],
-[AC_RUN_IFELSE([AC_LANG_INT_SAVE([$3], [$1])],
- [$2=`cat conftest.val`], [$4])])
-
-
-# _AC_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
-# ---------------------------------------------------------
-m4_define([_AC_COMPUTE_INT],
-[if test "$cross_compiling" = yes; then
- _AC_COMPUTE_INT_COMPILE([$1], [$2], [$3])
-else
- _AC_COMPUTE_INT_RUN([$1], [$2], [$3], [$4])
-fi
-rm -f conftest.val[]dnl
-])# _AC_COMPUTE_INT
-
-
-## ----------------------- ##
-## Creating output files. ##
-## ----------------------- ##
-
-
-# This section handles about all the preparation aspects for
-# `config.status': registering the configuration files, the headers,
-# the links, and the commands `config.status' will run. There is a
-# little mixture though of things actually handled by `configure',
-# such as running the `configure' in the sub directories. Minor
-# detail.
-#
-# There are two kinds of commands:
-#
-# COMMANDS:
-#
-# They are output into `config.status' via a quoted here doc. These
-# commands are always associated to a tag which the user can use to
-# tell `config.status' what are the commands she wants to run.
-#
-# INIT-CMDS:
-#
-# They are output via an *unquoted* here-doc. As a consequence $var
-# will be output as the value of VAR. This is typically used by
-# `configure' to give `config,.status' some variables it needs to run
-# the COMMANDS. At the difference of `COMMANDS', the INIT-CMDS are
-# always run.
-#
-#
-# Some uniformity exists around here, please respect it!
-#
-# A macro named AC_CONFIG_FOOS has three args: the `TAG...' (or
-# `FILE...' when it applies), the `COMMANDS' and the `INIT-CMDS'. It
-# first checks that TAG was not registered elsewhere thanks to
-# AC_CONFIG_UNIQUE. Then it registers `TAG...' in AC_LIST_FOOS, and for
-# each `TAG', a special line in AC_LIST_FOOS_COMMANDS which is used in
-# `config.status' like this:
-#
-# case $ac_tag in
-# AC_LIST_FOOS_COMMANDS
-# esac
-#
-# Finally, the `INIT-CMDS' are dumped into a special diversion, via
-# `_AC_CONFIG_COMMANDS_INIT'. While `COMMANDS' are output once per TAG,
-# `INIT-CMDS' are dumped only once per call to AC_CONFIG_FOOS.
-#
-# It also leave the TAG in the shell variable ac_config_foo which contains
-# those which will actually be executed. In other words:
-#
-# if false; then
-# AC_CONFIG_FOOS(bar, [touch bar])
-# fi
-#
-# will not create bar.
-#
-# AC_CONFIG_FOOS can be called several times (with different TAGs of
-# course).
-#
-# Because these macros should not output anything, there should be `dnl'
-# everywhere. A pain my friend, a pain. So instead in each macro we
-# divert(-1) and restore the diversion at the end.
-#
-#
-# Honorable members of this family are AC_CONFIG_FILES,
-# AC_CONFIG_HEADERS, AC_CONFIG_LINKS and AC_CONFIG_COMMANDS. Bad boys
-# are AC_LINK_FILES, AC_OUTPUT_COMMANDS and AC_OUTPUT when used with
-# arguments. False members are AC_CONFIG_SRCDIR, AC_CONFIG_SUBDIRS
-# and AC_CONFIG_AUX_DIR. Cousins are AC_CONFIG_COMMANDS_PRE and
-# AC_CONFIG_COMMANDS_POST.
-
-
-
-# AC_CONFIG_IF_MEMBER(DEST, LIST, ACTION-IF-TRUE, ACTION-IF-FALSE)
-# ----------------------------------------------------------------
-# If DEST is member of LIST, expand to ACTION-IF-TRUE, else ACTION-IF-FALSE.
-#
-# LIST is an AC_CONFIG list, i.e., a list of DEST[:SOURCE], separated
-# with spaces.
-#
-# FIXME: This macro is badly designed, but I'm not guilty: m4 is. There
-# is just no way to simply compare two strings in m4, but to use pattern
-# matching. The big problem is then that the active characters should
-# be quoted. Currently `+*.' are quoted.
-m4_define([AC_CONFIG_IF_MEMBER],
-[m4_if(m4_regexp($2, [\(^\| \)]m4_patsubst([$1],
- [\([+*.]\)], [\\\1])[\(:\| \|$\)]),
- -1, [$4], [$3])])
-
-
-# AC_FILE_DEPENDENCY_TRACE(DEST, SOURCE1, [SOURCE2...])
-# -----------------------------------------------------
-# This macro does nothing, it's a hook to be read with `autoconf --trace'.
-# It announces DEST depends upon the SOURCE1 etc.
-m4_define([AC_FILE_DEPENDENCY_TRACE], [])
-
-
-# _AC_CONFIG_DEPENDENCY(DEST, [SOURCE1], [SOURCE2...])
-# ----------------------------------------------------
-# Be sure that a missing dependency is expressed as a dependency upon
-# `DEST.in'.
-m4_define([_AC_CONFIG_DEPENDENCY],
-[m4_ifval([$2],
- [AC_FILE_DEPENDENCY_TRACE($@)],
- [AC_FILE_DEPENDENCY_TRACE([$1], [$1.in])])])
-
-
-# _AC_CONFIG_DEPENDENCIES(DEST[:SOURCE1[:SOURCE2...]]...)
-# -------------------------------------------------------
-# Declare the DESTs depend upon their SOURCE1 etc.
-m4_define([_AC_CONFIG_DEPENDENCIES],
-[m4_divert_push([KILL])
-AC_FOREACH([AC_File], [$1],
- [_AC_CONFIG_DEPENDENCY(m4_patsubst(AC_File, [:], [,]))])
-m4_divert_pop([KILL])dnl
-])
-
-
-# _AC_CONFIG_UNIQUE(DEST[:SOURCE]...)
-# -----------------------------------
-#
-# Verify that there is no double definition of an output file
-# (precisely, guarantees there is no common elements between
-# CONFIG_HEADERS, CONFIG_FILES, CONFIG_LINKS, and CONFIG_SUBDIRS).
-#
-# Note that this macro does not check if the list $[1] itself
-# contains doubles.
-m4_define([_AC_CONFIG_UNIQUE],
-[m4_divert_push([KILL])
-AC_FOREACH([AC_File], [$1],
-[m4_pushdef([AC_Dest], m4_patsubst(AC_File, [:.*]))
-AC_CONFIG_IF_MEMBER(AC_Dest, [AC_LIST_HEADERS],
- [AC_FATAL(`AC_Dest' [is already registered with AC_CONFIG_HEADER or AC_CONFIG_HEADERS.])])
- AC_CONFIG_IF_MEMBER(AC_Dest, [AC_LIST_LINKS],
- [AC_FATAL(`AC_Dest' [is already registered with AC_CONFIG_LINKS.])])
- AC_CONFIG_IF_MEMBER(AC_Dest, [_AC_LIST_SUBDIRS],
- [AC_FATAL(`AC_Dest' [is already registered with AC_CONFIG_SUBDIRS.])])
- AC_CONFIG_IF_MEMBER(AC_Dest, [AC_LIST_COMMANDS],
- [AC_FATAL(`AC_Dest' [is already registered with AC_CONFIG_COMMANDS.])])
- AC_CONFIG_IF_MEMBER(AC_Dest, [AC_LIST_FILES],
- [AC_FATAL(`AC_Dest' [is already registered with AC_CONFIG_FILES or AC_OUTPUT.])])
-m4_popdef([AC_Dest])])
-m4_divert_pop([KILL])dnl
-])
-
-
-# _AC_CONFIG_COMMANDS_INIT([INIT-COMMANDS])
-# -----------------------------------------
-#
-# Register INIT-COMMANDS as command pasted *unquoted* in
-# `config.status'. This is typically used to pass variables from
-# `configure' to `config.status'. Note that $[1] is not over quoted as
-# was the case in AC_OUTPUT_COMMANDS.
-m4_define([_AC_CONFIG_COMMANDS_INIT],
-[m4_ifval([$1],
- [m4_append([_AC_OUTPUT_COMMANDS_INIT],
- [$1
-])])])
-
-# Initialize.
-m4_define([_AC_OUTPUT_COMMANDS_INIT])
-
-
-# AC_CONFIG_COMMANDS(NAME...,[COMMANDS], [INIT-CMDS])
-# ---------------------------------------------------
-#
-# Specify additional commands to be run by config.status. This
-# commands must be associated with a NAME, which should be thought
-# as the name of a file the COMMANDS create.
-AC_DEFUN([AC_CONFIG_COMMANDS],
-[m4_divert_push([KILL])
-_AC_CONFIG_UNIQUE([$1])
-m4_append([AC_LIST_COMMANDS], [ $1])
-
-m4_if([$2],,, [AC_FOREACH([AC_Name], [$1],
-[m4_append([AC_LIST_COMMANDS_COMMANDS],
-[ ]m4_patsubst(AC_Name, [:.*])[ ) $2 ;;
-])])])
-_AC_CONFIG_COMMANDS_INIT([$3])
-m4_divert_pop([KILL])dnl
-ac_config_commands="$ac_config_commands $1"
-])dnl
-
-# Initialize the lists.
-m4_define([AC_LIST_COMMANDS])
-m4_define([AC_LIST_COMMANDS_COMMANDS])
-
-
-# AC_OUTPUT_COMMANDS(EXTRA-CMDS, INIT-CMDS)
-# -----------------------------------------
-#
-# Add additional commands for AC_OUTPUT to put into config.status.
-#
-# This macro is an obsolete version of AC_CONFIG_COMMANDS. The only
-# difficulty in mapping AC_OUTPUT_COMMANDS to AC_CONFIG_COMMANDS is
-# to give a unique key. The scheme we have chosen is `default-1',
-# `default-2' etc. for each call.
-#
-# Unfortunately this scheme is fragile: bad things might happen
-# if you update an included file and configure.ac: you might have
-# clashes :( On the other hand, I'd like to avoid weird keys (e.g.,
-# depending upon __file__ or the pid).
-AU_DEFUN([AC_OUTPUT_COMMANDS],
-[m4_define([_AC_OUTPUT_COMMANDS_CNT], m4_incr(_AC_OUTPUT_COMMANDS_CNT))dnl
-dnl Double quoted since that was the case in the original macro.
-AC_CONFIG_COMMANDS([default-]_AC_OUTPUT_COMMANDS_CNT, [[$1]], [[$2]])dnl
-])
-
-# Initialize.
-AU_DEFUN([_AC_OUTPUT_COMMANDS_CNT], 0)
-
-
-# AC_CONFIG_COMMANDS_PRE(CMDS)
-# ----------------------------
-# Commands to run right before config.status is created. Accumulates.
-AC_DEFUN([AC_CONFIG_COMMANDS_PRE],
-[m4_append([AC_OUTPUT_COMMANDS_PRE], [$1
-])])
-
-# Initialize.
-m4_define([AC_OUTPUT_COMMANDS_PRE])
-
-
-# AC_CONFIG_COMMANDS_POST(CMDS)
-# -----------------------------
-# Commands to run after config.status was created. Accumulates.
-AC_DEFUN([AC_CONFIG_COMMANDS_POST],
-[m4_append([AC_OUTPUT_COMMANDS_POST], [$1
-])])
-
-# Initialize.
-m4_define([AC_OUTPUT_COMMANDS_POST])
-
-
-# AC_CONFIG_HEADERS(HEADERS..., [COMMANDS], [INIT-CMDS])
-# ------------------------------------------------------
-# Specify that the HEADERS are to be created by instantiation of the
-# AC_DEFINEs. Associate the COMMANDS to the HEADERS. This macro
-# accumulates if called several times.
-#
-# The commands are stored in a growing string AC_LIST_HEADERS_COMMANDS
-# which should be used like this:
-#
-# case $ac_file in
-# AC_LIST_HEADERS_COMMANDS
-# esac
-AC_DEFUN([AC_CONFIG_HEADERS],
-[m4_divert_push([KILL])
-_AC_CONFIG_UNIQUE([$1])
-_AC_CONFIG_DEPENDENCIES([$1])
-m4_append([AC_LIST_HEADERS], [ $1])
-dnl Register the commands
-m4_ifval([$2], [AC_FOREACH([AC_File], [$1],
-[m4_append([AC_LIST_HEADERS_COMMANDS],
-[ ]m4_patsubst(AC_File, [:.*])[ ) $2 ;;
-])])])
-_AC_CONFIG_COMMANDS_INIT([$3])
-m4_divert_pop([KILL])dnl
-ac_config_headers="$ac_config_headers m4_normalize([$1])"
-])dnl
-
-# Initialize to empty. It is much easier and uniform to have a config
-# list expand to empty when undefined, instead of special casing when
-# not defined (since in this case, AC_CONFIG_FOO expands to AC_CONFIG_FOO).
-m4_define([AC_LIST_HEADERS])
-m4_define([AC_LIST_HEADERS_COMMANDS])
-
-
-# AC_CONFIG_HEADER(HEADER-TO-CREATE ...)
-# --------------------------------------
-# FIXME: Make it obsolete?
-AC_DEFUN([AC_CONFIG_HEADER],
-[AC_CONFIG_HEADERS([$1])])
-
-
-# AC_CONFIG_LINKS(DEST:SOURCE..., [COMMANDS], [INIT-CMDS])
-# --------------------------------------------------------
-# Specify that config.status should establish a (symbolic if possible)
-# link from TOP_SRCDIR/SOURCE to TOP_SRCDIR/DEST.
-# Reject DEST=., because it is makes it hard for ./config.status
-# to guess the links to establish (`./config.status .').
-AC_DEFUN([AC_CONFIG_LINKS],
-[m4_divert_push([KILL])
-_AC_CONFIG_UNIQUE([$1])
-_AC_CONFIG_DEPENDENCIES([$1])
-m4_if(m4_regexp([$1], [^\.:\| \.:]), -1,,
- [AC_FATAL([$0: invalid destination: `.'])])
-m4_append([AC_LIST_LINKS], [ $1])
-dnl Register the commands
-m4_ifval([$2], [AC_FOREACH([AC_File], [$1],
-[m4_append([AC_LIST_LINKS_COMMANDS],
-[ ]m4_patsubst(AC_File, [:.*])[ ) $2 ;;
-])])])
-_AC_CONFIG_COMMANDS_INIT([$3])
-m4_divert_pop([KILL])dnl
-ac_config_links="$ac_config_links m4_normalize([$1])"
-])dnl
-
-
-# Initialize the list.
-m4_define([AC_LIST_LINKS])
-m4_define([AC_LIST_LINKS_COMMANDS])
-
-
-# AC_LINK_FILES(SOURCE..., DEST...)
-# ---------------------------------
-# Link each of the existing files SOURCE... to the corresponding
-# link name in DEST...
-#
-# Unfortunately we can't provide a very good autoupdate service here,
-# since in `AC_LINK_FILES($from, $to)' it is possible that `$from'
-# and `$to' are actually lists. It would then be completely wrong to
-# replace it with `AC_CONFIG_LINKS($to:$from). It is possible in the
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-
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- echo $f;;
- *) # Relative
- if test -f "$f"; then
- # Build tree
- echo $f
- elif test -f "$srcdir/$f"; then
- # Source tree
- echo $srcdir/$f
- else
- # /dev/null tree
- AC_MSG_ERROR([cannot find input file: $f])
- fi;;
- esac
- done` || AS_EXIT([1])
-EOF
-cat >>$CONFIG_STATUS <<EOF
-dnl Neutralize VPATH when `$srcdir' = `.'.
- sed "$ac_vpsub
-dnl Shell code in configure.ac might set extrasub.
-dnl FIXME: do we really want to maintain this feature?
-$extrasub
-EOF
-cat >>$CONFIG_STATUS <<\EOF
-:t
-[/@[a-zA-Z_][a-zA-Z_0-9]*@/!b]
-s,@configure_input@,$configure_input,;t t
-s,@srcdir@,$ac_srcdir,;t t
-s,@top_srcdir@,$ac_top_srcdir,;t t
-AC_PROVIDE_IFELSE([AC_PROG_INSTALL], [s,@INSTALL@,$ac_INSTALL,;t t
-])dnl
-dnl The parens around the eval prevent an "illegal io" in Ultrix sh.
-" $ac_file_inputs | (eval "$ac_sed_cmds") >$tmp/out
- rm -f $tmp/stdin
-dnl This would break Makefile dependencies.
-dnl if cmp -s $ac_file $tmp/out 2>/dev/null; then
-dnl echo "$ac_file is unchanged"
-dnl else
-dnl rm -f $ac_file
-dnl mv $tmp/out $ac_file
-dnl fi
- if test x"$ac_file" != x-; then
- mv $tmp/out $ac_file
- else
- cat $tmp/out
- rm -f $tmp/out
- fi
-
-m4_ifset([AC_LIST_FILES_COMMANDS],
-[ # Run the commands associated with the file.
- case $ac_file in
-AC_LIST_FILES_COMMANDS()dnl
- esac
-])dnl
-done
-EOF
-])# _AC_OUTPUT_FILES
-
-
-# _AC_OUTPUT_HEADERS
-# ------------------
-#
-# Output the code which instantiates the `config.h' files from their
-# `config.h.in'.
-#
-# This is a subroutine of _AC_OUTPUT_CONFIG_STATUS. It has to send
-# itself into $CONFIG_STATUS (eg, via here documents). Upon exit, no
-# here document shall be opened.
-#
-#
-# The code produced used to be extremely costly: there are was a
-# single sed script (n lines) handling both `#define' templates,
-# `#undef' templates with trailing space, and `#undef' templates
-# without trailing spaces. The full script was run on each of the m
-# lines of `config.h.in', i.e., about n x m.
-#
-# Now there are two scripts: `conftest.defines' for the `#define'
-# templates, and `conftest.undef' for the `#undef' templates.
-#
-# Optimization 1. It is incredibly costly to run two `#undef'
-# scripts, so just remove trailing spaces first. Removes about a
-# third of the cost.
-#
-# Optimization 2. Since `#define' are rare and obsoleted,
-# `conftest.defines' is built and run only if grep says there are
-# `#define'. Improves by at least a factor 2, since in addition we
-# avoid the cost of *producing* the sed script.
-#
-# Optimization 3. In each script, first check that the current input
-# line is a template. This avoids running the full sed script on
-# empty lines and comments (divides the cost by about 3 since each
-# template chunk is typically a comment, a template, an empty line).
-#
-# Optimization 4. Once a substitution performed, since there can be
-# only one per line, immediately restart the script on the next input
-# line (using the `t' sed instruction). Divides by about 2.
-# *Note:* In the case of the AC_SUBST sed script (_AC_OUTPUT_FILES)
-# this optimization cannot be applied as is, because there can be
-# several substitutions per line.
-#
-#
-# The result is about, hm, ... times blah... plus.... Ahem. The
-# result is about much faster.
-m4_define([_AC_OUTPUT_HEADERS],
-[cat >>$CONFIG_STATUS <<\EOF
-
-#
-# CONFIG_HEADER section.
-#
-
-# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
-# NAME is the cpp macro being defined and VALUE is the value it is being given.
-#
-# ac_d sets the value in "#define NAME VALUE" lines.
-dnl Double quote for the `[ ]' and `define'.
-[ac_dA='s,^\([ ]*\)#\([ ]*define[ ][ ]*\)'
-ac_dB='[ ].*$,\1#\2'
-ac_dC=' '
-ac_dD=',;t'
-# ac_u turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
-ac_uA='s,^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
-ac_uB='$,\1#\2define\3'
-ac_uC=' '
-ac_uD=',;t']
-
-for ac_file in : $CONFIG_HEADERS; do test "x$ac_file" = x: && continue
- # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
- case $ac_file in
- - | *:- | *:-:* ) # input from stdin
- cat >$tmp/stdin
- ac_file_in=`echo "$ac_file" | sed 's,[[^:]]*:,,'`
- ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
- *:* ) ac_file_in=`echo "$ac_file" | sed 's,[[^:]]*:,,'`
- ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
- * ) ac_file_in=$ac_file.in ;;
- esac
-
- test x"$ac_file" != x- && AC_MSG_NOTICE([creating $ac_file])
-
- # First look for the input files in the build tree, otherwise in the
- # src tree.
- ac_file_inputs=`IFS=:
- for f in $ac_file_in; do
- case $f in
- -) echo $tmp/stdin ;;
- [[\\/$]]*)
- # Absolute (can't be DOS-style, as IFS=:)
- test -f "$f" || AC_MSG_ERROR([cannot find input file: $f])
- echo $f;;
- *) # Relative
- if test -f "$f"; then
- # Build tree
- echo $f
- elif test -f "$srcdir/$f"; then
- # Source tree
- echo $srcdir/$f
- else
- # /dev/null tree
- AC_MSG_ERROR([cannot find input file: $f])
- fi;;
- esac
- done` || AS_EXIT([1])
- # Remove the trailing spaces.
- sed 's/[[ ]]*$//' $ac_file_inputs >$tmp/in
-
-EOF
-
-# Transform confdefs.h into two sed scripts, `conftest.defines' and
-# `conftest.undefs', that substitutes the proper values into
-# config.h.in to produce config.h. The first handles `#define'
-# templates, and the second `#undef' templates.
-# And first: Protect against being on the right side of a sed subst in
-# config.status. Protect against being in an unquoted here document
-# in config.status.
-rm -f conftest.defines conftest.undefs
-# Using a here document instead of a string reduces the quoting nightmare.
-# Putting comments in sed scripts is not portable.
-#
-# `end' is used to avoid that the second main sed command (meant for
-# 0-ary CPP macros) applies to n-ary macro definitions.
-# See the Autoconf documentation for `clear'.
-cat >confdef2sed.sed <<\EOF
-dnl Double quote for `[ ]' and `define'.
-[s/[\\&,]/\\&/g
-s,[\\$`],\\&,g
-t clear
-: clear
-s,^[ ]*#[ ]*define[ ][ ]*\(\([^ (][^ (]*\)([^)]*)\)[ ]*\(.*\)$,${ac_dA}\2${ac_dB}\1${ac_dC}\3${ac_dD},gp
-t end
-s,^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)$,${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD},gp
-: end]
-EOF
-# If some macros were called several times there might be several times
-# the same #defines, which is useless. Nevertheless, we may not want to
-# sort them, since we want the *last* AC-DEFINE to be honored.
-uniq confdefs.h | sed -n -f confdef2sed.sed >conftest.defines
-sed 's/ac_d/ac_u/g' conftest.defines >conftest.undefs
-rm -f confdef2sed.sed
-
-# This sed command replaces #undef with comments. This is necessary, for
-# example, in the case of _POSIX_SOURCE, which is predefined and required
-# on some systems where configure will not decide to define it.
-cat >>conftest.undefs <<\EOF
-[s,^[ ]*#[ ]*undef[ ][ ]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,]
-EOF
-
-# Break up conftest.defines because some shells have a limit on the size
-# of here documents, and old seds have small limits too (100 cmds).
-echo ' # Handle all the #define templates only if necessary.' >>$CONFIG_STATUS
-echo ' if egrep ["^[ ]*#[ ]*define"] $tmp/in >/dev/null; then' >>$CONFIG_STATUS
-echo ' # If there are no defines, we may have an empty if/fi' >>$CONFIG_STATUS
-echo ' :' >>$CONFIG_STATUS
-rm -f conftest.tail
-while grep . conftest.defines >/dev/null
-do
- # Write a limited-size here document to $tmp/defines.sed.
- echo ' cat >$tmp/defines.sed <<CEOF' >>$CONFIG_STATUS
- # Speed up: don't consider the non `#define' lines.
- echo ['/^[ ]*#[ ]*define/!b'] >>$CONFIG_STATUS
- # Work around the forget-to-reset-the-flag bug.
- echo 't clr' >>$CONFIG_STATUS
- echo ': clr' >>$CONFIG_STATUS
- sed ${ac_max_here_lines}q conftest.defines >>$CONFIG_STATUS
- echo 'CEOF
- sed -f $tmp/defines.sed $tmp/in >$tmp/out
- rm -f $tmp/in
- mv $tmp/out $tmp/in
-' >>$CONFIG_STATUS
- sed 1,${ac_max_here_lines}d conftest.defines >conftest.tail
- rm -f conftest.defines
- mv conftest.tail conftest.defines
-done
-rm -f conftest.defines
-echo ' fi # egrep' >>$CONFIG_STATUS
-echo >>$CONFIG_STATUS
-
-# Break up conftest.undefs because some shells have a limit on the size
-# of here documents, and old seds have small limits too (100 cmds).
-echo ' # Handle all the #undef templates' >>$CONFIG_STATUS
-rm -f conftest.tail
-while grep . conftest.undefs >/dev/null
-do
- # Write a limited-size here document to $tmp/undefs.sed.
- echo ' cat >$tmp/undefs.sed <<CEOF' >>$CONFIG_STATUS
- # Speed up: don't consider the non `#undef'
- echo ['/^[ ]*#[ ]*undef/!b'] >>$CONFIG_STATUS
- # Work around the forget-to-reset-the-flag bug.
- echo 't clr' >>$CONFIG_STATUS
- echo ': clr' >>$CONFIG_STATUS
- sed ${ac_max_here_lines}q conftest.undefs >>$CONFIG_STATUS
- echo 'CEOF
- sed -f $tmp/undefs.sed $tmp/in >$tmp/out
- rm -f $tmp/in
- mv $tmp/out $tmp/in
-' >>$CONFIG_STATUS
- sed 1,${ac_max_here_lines}d conftest.undefs >conftest.tail
- rm -f conftest.undefs
- mv conftest.tail conftest.undefs
-done
-rm -f conftest.undefs
-
-dnl Now back to your regularly scheduled config.status.
-cat >>$CONFIG_STATUS <<\EOF
- # Let's still pretend it is `configure' which instantiates (i.e., don't
- # use $as_me), people would be surprised to read:
- # /* config.h. Generated automatically by config.status. */
- if test x"$ac_file" = x-; then
- echo "/* Generated automatically by configure. */" >$tmp/config.h
- else
- echo "/* $ac_file. Generated automatically by configure. */" >$tmp/config.h
- fi
- cat $tmp/in >>$tmp/config.h
- rm -f $tmp/in
- if test x"$ac_file" != x-; then
- if cmp -s $ac_file $tmp/config.h 2>/dev/null; then
- AC_MSG_NOTICE([$ac_file is unchanged])
- else
- ac_dir=`AS_DIRNAME(["$ac_file"])`
- if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
- AS_MKDIR_P(["$ac_dir"])
- fi
- rm -f $ac_file
- mv $tmp/config.h $ac_file
- fi
- else
- cat $tmp/config.h
- rm -f $tmp/config.h
- fi
-m4_ifset([AC_LIST_HEADERS_COMMANDS],
-[ # Run the commands associated with the file.
- case $ac_file in
-AC_LIST_HEADERS_COMMANDS()dnl
- esac
-])dnl
-done
-EOF
-])# _AC_OUTPUT_HEADERS
-
-
-# _AC_OUTPUT_LINKS
-# ----------------
-# This is a subroutine of AC_OUTPUT.
-#
-# It has to send itself into $CONFIG_STATUS (eg, via here documents).
-# Upon exit, no here document shall be opened.
-m4_define([_AC_OUTPUT_LINKS],
-[cat >>$CONFIG_STATUS <<\EOF
-
-#
-# CONFIG_LINKS section.
-#
-
-dnl Here we use : instead of .. because if AC_LINK_FILES was used
-dnl with empty parameters (as in gettext.m4), then we obtain here
-dnl `:', which we want to skip. So let's keep a single exception: `:'.
-for ac_file in : $CONFIG_LINKS; do test "x$ac_file" = x: && continue
- ac_dest=`echo "$ac_file" | sed 's,:.*,,'`
- ac_source=`echo "$ac_file" | sed 's,[[^:]]*:,,'`
-
- AC_MSG_NOTICE([linking $srcdir/$ac_source to $ac_dest])
-
- if test ! -r $srcdir/$ac_source; then
- AC_MSG_ERROR([$srcdir/$ac_source: File not found])
- fi
- rm -f $ac_dest
-
- # Make relative symlinks.
- ac_dest_dir=`AS_DIRNAME(["$ac_dest"])`
- if test "$ac_dest_dir" != "$ac_dest" && test "$ac_dest_dir" != .; then
- AS_MKDIR_P(["$ac_dest_dir"])
- ac_dest_dir_suffix="/`echo $ac_dest_dir|sed 's,^\./,,'`"
- # A "../" for each directory in $ac_dest_dir_suffix.
- ac_dots=`echo $ac_dest_dir_suffix|sed 's,/[[^/]]*,../,g'`
- else
- ac_dest_dir_suffix= ac_dots=
- fi
-
- case $srcdir in
- [[\\/$]]* | ?:[[\\/]]* ) ac_rel_source=$srcdir/$ac_source ;;
- *) ac_rel_source=$ac_dots$srcdir/$ac_source ;;
- esac
-
- # Make a symlink if possible; otherwise try a hard link.
- ln -s $ac_rel_source $ac_dest 2>/dev/null ||
- ln $srcdir/$ac_source $ac_dest ||
- AC_MSG_ERROR([cannot link $ac_dest to $srcdir/$ac_source])
-m4_ifset([AC_LIST_LINKS_COMMANDS],
-[ # Run the commands associated with the file.
- case $ac_file in
-AC_LIST_LINKS_COMMANDS()dnl
- esac
-])dnl
-done
-EOF
-])# _AC_OUTPUT_LINKS
-
-
-# _AC_OUTPUT_COMMANDS
-# -------------------
-# This is a subroutine of AC_OUTPUT, in charge of issuing the code
-# related to AC_CONFIG_COMMANDS.
-#
-# It has to send itself into $CONFIG_STATUS (eg, via here documents).
-# Upon exit, no here document shall be opened.
-m4_define([_AC_OUTPUT_COMMANDS],
-[cat >>$CONFIG_STATUS <<\EOF
-
-#
-# CONFIG_COMMANDS section.
-#
-for ac_file in : $CONFIG_COMMANDS; do test "x$ac_file" = x: && continue
- ac_dest=`echo "$ac_file" | sed 's,:.*,,'`
- ac_source=`echo "$ac_file" | sed 's,[[^:]]*:,,'`
-
-dnl FIXME: Until Automake uses the new features of config.status, we
-dnl should keep this silent. Otherwise, because Automake runs this in
-dnl each directory, it quickly becomes annoying.
-dnl echo "executing commands of $ac_dest"
- case $ac_dest in
-AC_LIST_COMMANDS_COMMANDS()dnl
- esac
-done
-EOF
-])# _AC_OUTPUT_COMMANDS
-
-
-# _AC_OUTPUT_SUBDIRS
-# ------------------
-# This is a subroutine of AC_OUTPUT, but it does not go into
-# config.status, rather, it is called after running config.status.
-m4_define([_AC_OUTPUT_SUBDIRS],
-[
-#
-# CONFIG_SUBDIRS section.
-#
-if test "$no_recursion" != yes; then
-
- # Remove --cache-file and --srcdir arguments so they do not pile up.
- ac_sub_configure_args=
- ac_prev=
- for ac_arg in $ac_configure_args; do
- if test -n "$ac_prev"; then
- ac_prev=
- continue
- fi
- case $ac_arg in
- -cache-file | --cache-file | --cache-fil | --cache-fi \
- | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
- ac_prev=cache_file ;;
- -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
- | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* \
- | --c=*)
- ;;
- --config-cache | -C)
- ;;
- -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
- ac_prev=srcdir ;;
- -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
- ;;
- *) ac_sub_configure_args="$ac_sub_configure_args $ac_arg" ;;
- esac
- done
-
- for ac_subdir in : $subdirs; do test "x$ac_subdir" = x: && continue
-
- # Do not complain, so a configure script can configure whichever
- # parts of a large source tree are present.
- test -d $srcdir/$ac_subdir || continue
-
- AC_MSG_NOTICE([configuring in $ac_subdir])
- case $srcdir in
- .) ;;
- *) AS_MKDIR_P(["./$ac_subdir"])
- if test -d ./$ac_subdir; then :;
- else
- AC_MSG_ERROR([cannot create `pwd`/$ac_subdir])
- fi
- ;;
- esac
-
- ac_popdir=`pwd`
- cd $ac_subdir
-
- # A "../" for each directory in /$ac_subdir.
- ac_dots=`echo $ac_subdir |
- sed 's,^\./,,;s,[[^/]]$,&/,;s,[[^/]]*/,../,g'`
-
- case $srcdir in
- .) # No --srcdir option. We are building in place.
- ac_sub_srcdir=$srcdir ;;
- [[\\/]]* | ?:[[\\/]]* ) # Absolute path.
- ac_sub_srcdir=$srcdir/$ac_subdir ;;
- *) # Relative path.
- ac_sub_srcdir=$ac_dots$srcdir/$ac_subdir ;;
- esac
-
- # Check for guested configure; otherwise get Cygnus style configure.
- if test -f $ac_sub_srcdir/configure.gnu; then
- ac_sub_configure="$SHELL '$ac_sub_srcdir/configure.gnu'"
- elif test -f $ac_sub_srcdir/configure; then
- ac_sub_configure="$SHELL '$ac_sub_srcdir/configure'"
- elif test -f $ac_sub_srcdir/configure.in; then
- ac_sub_configure=$ac_configure
- else
- AC_MSG_WARN([no configuration information is in $ac_subdir])
- ac_sub_configure=
- fi
-
- # The recursion is here.
- if test -n "$ac_sub_configure"; then
- # Make the cache file name correct relative to the subdirectory.
- case $cache_file in
- [[\\/]]* | ?:[[\\/]]* ) ac_sub_cache_file=$cache_file ;;
- *) # Relative path.
- ac_sub_cache_file=$ac_dots$cache_file ;;
- esac
-
- AC_MSG_NOTICE([running $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_sub_srcdir])
- # The eval makes quoting arguments work.
- eval $ac_sub_configure $ac_sub_configure_args \
- --cache-file=$ac_sub_cache_file --srcdir=$ac_sub_srcdir ||
- AC_MSG_ERROR([$ac_sub_configure failed for $ac_subdir])
- fi
-
- cd $ac_popdir
- done
-fi
-])# _AC_OUTPUT_SUBDIRS
-
-
-# AC_LINKER_OPTION(LINKER-OPTIONS, SHELL-VARIABLE)
-# ------------------------------------------------
-#
-# Specifying options to the compiler (whether it be the C, C++ or
-# Fortran 77 compiler) that are meant for the linker is compiler
-# dependent. This macro lets you give options to the compiler that
-# are meant for the linker in a portable, compiler-independent way.
-#
-# This macro take two arguments, a list of linker options that the
-# compiler should pass to the linker (LINKER-OPTIONS) and the name of
-# a shell variable (SHELL-VARIABLE). The list of linker options are
-# appended to the shell variable in a compiler-dependent way.
-#
-# For example, if the selected language is C, then this:
-#
-# AC_LINKER_OPTION([-R /usr/local/lib/foo], foo_LDFLAGS)
-#
-# will expand into this if the selected C compiler is gcc:
-#
-# foo_LDFLAGS="-Xlinker -R -Xlinker /usr/local/lib/foo"
-#
-# otherwise, it will expand into this:
-#
-# foo_LDFLAGS"-R /usr/local/lib/foo"
-#
-# You are encouraged to add support for compilers that this macro
-# doesn't currently support.
-# FIXME: Get rid of this macro.
-AC_DEFUN([AC_LINKER_OPTION],
-[if test "$ac_compiler_gnu" = yes; then
- for ac_link_opt in $1; do
- $2="[$]$2 -Xlinker $ac_link_opt"
- done
-else
- $2="[$]$2 $1"
-fi])
-
-
-# AC_LIST_MEMBER_OF(ELEMENT, LIST, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# --------------------------------------------------------------------------
-#
-# Processing the elements of a list is tedious in shell programming,
-# as lists tend to be implemented as space delimited strings.
-#
-# This macro searches LIST for ELEMENT, and executes ACTION-IF-FOUND
-# if ELEMENT is a member of LIST, otherwise it executes
-# ACTION-IF-NOT-FOUND.
-AC_DEFUN([AC_LIST_MEMBER_OF],
-[dnl Do some sanity checking of the arguments.
-m4_if([$1], , [AC_FATAL([$0]: missing argument 1)])dnl
-m4_if([$2], , [AC_FATAL([$0]: missing argument 2)])dnl
-
- ac_exists=false
- for ac_i in $2; do
- if test x"$1" = x"$ac_i"; then
- ac_exists=true
- break
- fi
- done
-
- AS_IF([test x"$ac_exists" = xtrue], [$3], [$4])[]dnl
-])
+++ /dev/null
-# acheaders -- autoscan's mapping from headers to Autoconf macros
-# Copyright 1992, 1993, 1994, 1996, 1999, 2000, 2001
-# Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-
-# FIXME: The case of AC_HEADER_STDC + AC_CHECK_HEADERS headers is
-# unclear to me --akim.
-
-# Ones that have their own macros.
-X11/Xlib.h AC_PATH_X
-dirent.h AC_HEADER_DIRENT
-float.h AC_HEADER_STDC
-float.h AC_CHECK_HEADERS
-ndir.h AC_HEADER_DIRENT
-stdarg.h AC_HEADER_STDC
-stddef.h AC_HEADER_STDC
-stddef.h AC_CHECK_HEADERS
-stdlib.h AC_HEADER_STDC
-stdlib.h AC_CHECK_HEADERS
-string.h AC_HEADER_STDC
-string.h AC_CHECK_HEADERS
-sys/dir.h AC_HEADER_DIRENT
-sys/mkdev.h AC_HEADER_MAJOR
-sys/ndir.h AC_HEADER_DIRENT
-sys/wait.h AC_HEADER_SYS_WAIT
-
-# Others, checked with AC_CHECK_HEADERS.
-OS.h
-alloca.h
-argz.h
-arpa/inet.h
-errno.h
-fcntl.h
-fenv.h
-fs_info.h
-inttypes.h
-langinfo.h
-libintl.h
-limits.h
-locale.h
-mach/mach.h
-malloc.h
-memory.h
-mntent.h
-mnttab.h
-netdb.h
-netinet/in.h
-nl_types.h
-nlist.h
-paths.h
-sgtty.h
-shadow.h
-stdint.h
-stdio_ext.h
-strings.h
-sys/acl.h
-sys/file.h
-sys/filsys.h
-sys/fs/s5param.h
-sys/fs_types.h
-sys/fstyp.h
-sys/ioctl.h
-sys/mntent.h
-sys/mount.h
-sys/param.h
-sys/socket.h
-sys/statfs.h
-sys/statvfs.h
-sys/systeminfo.h
-sys/time.h
-sys/timeb.h
-sys/vfs.h
-sys/window.h
-syslog.h
-termio.h
-termios.h
-unistd.h
-utime.h
-utmp.h
-utmpx.h
-values.h
-wchar.h
-wctype.h
-
-# Local Variables:
-# mode: shell-script
-# End:
+++ /dev/null
-# This file is part of Autoconf. -*- Autoconf -*-
-# Checking for headers.
-# Copyright 2000, 2001
-# Free Software Foundation, Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-#
-# As a special exception, the Free Software Foundation gives unlimited
-# permission to copy, distribute and modify the configure scripts that
-# are the output of Autoconf. You need not follow the terms of the GNU
-# General Public License when using or distributing such scripts, even
-# though portions of the text of Autoconf appear in them. The GNU
-# General Public License (GPL) does govern all other use of the material
-# that constitutes the Autoconf program.
-#
-# Certain portions of the Autoconf source text are designed to be copied
-# (in certain cases, depending on the input) into the output of
-# Autoconf. We call these the "data" portions. The rest of the Autoconf
-# source text consists of comments plus executable code that decides which
-# of the data portions to output in any given case. We call these
-# comments and executable code the "non-data" portions. Autoconf never
-# copies any of the non-data portions into its output.
-#
-# This special exception to the GPL applies to versions of Autoconf
-# released by the Free Software Foundation. When you make and
-# distribute a modified version of Autoconf, you may extend this special
-# exception to the GPL to apply to your modified version as well, *unless*
-# your modified version has the potential to copy into its output some
-# of the text that was the non-data portion of the version that you started
-# with. (In other words, unless your change moves or copies text from
-# the non-data portions to the data portions.) If your modification has
-# such potential, you must delete any notice of this special exception
-# to the GPL from your modified version.
-#
-# Written by David MacKenzie, with help from
-# Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
-# Roland McGrath, Noah Friedman, david d zuhn, and many others.
-
-
-# Table of contents
-#
-# 1. Generic tests for headers
-# 2. Tests for specific headers
-
-
-## ------------------------------ ##
-## 1. Generic tests for headers. ##
-## ------------------------------ ##
-
-
-# AC_CHECK_HEADER(HEADER-FILE,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-# [INCLUDES])
-# ---------------------------------------------------------
-# If INCLUDES is empty and strictly empty, use the preprocessor to
-# check whether HEADER-FILE exists. If INCLUDES is set, then use the
-# compiler to check whether INCLUDES followed by HEADER-FILE compiles
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-AC_DEFUN([AC_CHECK_HEADER],
-[AS_VAR_PUSHDEF([ac_Header], [ac_cv_header_$1])dnl
-AC_CACHE_CHECK([for $1], ac_Header,
- [m4_ifval([$4],
- [AC_COMPILE_IFELSE([AC_LANG_SOURCE([$4
-@%:@include <$1>])],
- [AS_VAR_SET(ac_Header, yes)],
- [AS_VAR_SET(ac_Header, no)])],
- [AC_PREPROC_IFELSE([AC_LANG_SOURCE([@%:@include <$1>])],
- [AS_VAR_SET(ac_Header, yes)],
- [AS_VAR_SET(ac_Header, no)])])])
-AS_IF([test AS_VAR_GET(ac_Header) = yes], [$2], [$3])[]dnl
-AS_VAR_POPDEF([ac_Header])dnl
-])# AC_CHECK_HEADER
-
-
-# AH_CHECK_HEADERS(HEADER-FILE...)
-# --------------------------------
-m4_define([AH_CHECK_HEADERS],
-[AC_FOREACH([AC_Header], [$1],
- [AH_TEMPLATE(AS_TR_CPP(HAVE_[]AC_Header),
- [Define if you have the <]AC_Header[> header file.])])])
-
-
-# AC_CHECK_HEADERS(HEADER-FILE...
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-# [INCLUDES])
-# ----------------------------------------------------------
-AC_DEFUN([AC_CHECK_HEADERS],
-[AH_CHECK_HEADERS([$1])dnl
-for ac_header in $1
-do
-AC_CHECK_HEADER($ac_header,
- [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_$ac_header)) $2],
- [$3],
- [$4])dnl
-done
-])# AC_CHECK_HEADERS
-
-
-
-
-
-## ------------------------------- ##
-## 2. Tests for specific headers. ##
-## ------------------------------- ##
-
-
-# _AC_CHECK_HEADER_DIRENT(HEADER-FILE,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT_FOUND])
-# -----------------------------------------------------------------
-# Like AC_CHECK_HEADER, except also make sure that HEADER-FILE
-# defines the type `DIR'. dirent.h on NextStep 3.2 doesn't.
-m4_define([_AC_CHECK_HEADER_DIRENT],
-[AS_VAR_PUSHDEF([ac_Header], [ac_cv_header_dirent_$1])dnl
-AC_CACHE_CHECK([for $1 that defines DIR], ac_Header,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
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- [if ((DIR *) 0)
-return 0;])],
- [AS_VAR_SET(ac_Header, yes)],
- [AS_VAR_SET(ac_Header, no)])])
-AS_IF([test AS_VAR_GET(ac_Header) = yes], [$2], [$3])[]dnl
-AS_VAR_POPDEF([ac_Header])dnl
-])# _AC_CHECK_HEADER_DIRENT
-
-
-# AH_CHECK_HEADERS_DIRENT(HEADERS...)
-# -----------------------------------
-m4_define([AH_CHECK_HEADERS_DIRENT],
-[AC_FOREACH([AC_Header], [$1],
- [AH_TEMPLATE(AS_TR_CPP(HAVE_[]AC_Header),
- [Define if you have the <]AC_Header[> header file, and
- it defines `DIR'.])])])
-
-
-# AC_HEADER_DIRENT
-# ----------------
-AC_DEFUN([AC_HEADER_DIRENT],
-[AH_CHECK_HEADERS_DIRENT(dirent.h sys/ndir.h sys/dir.h ndir.h)
-ac_header_dirent=no
-for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
- _AC_CHECK_HEADER_DIRENT($ac_hdr,
- [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_$ac_hdr), 1)
-ac_header_dirent=$ac_hdr; break])
-done
-# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
-if test $ac_header_dirent = dirent.h; then
- AC_CHECK_LIB(dir, opendir, LIBS="$LIBS -ldir")
-else
- AC_CHECK_LIB(x, opendir, LIBS="$LIBS -lx")
-fi
-])# AC_HEADER_DIRENT
-
-
-# AC_HEADER_MAJOR
-# ---------------
-AC_DEFUN([AC_HEADER_MAJOR],
-[AC_CACHE_CHECK(whether sys/types.h defines makedev,
- ac_cv_header_sys_types_h_makedev,
-[AC_TRY_LINK([#include <sys/types.h>
-], [return makedev(0, 0);],
- ac_cv_header_sys_types_h_makedev=yes, ac_cv_header_sys_types_h_makedev=no)
-])
-
-if test $ac_cv_header_sys_types_h_makedev = no; then
-AC_CHECK_HEADER(sys/mkdev.h,
- [AC_DEFINE(MAJOR_IN_MKDEV, 1,
- [Define if `major', `minor', and `makedev' are
- declared in <mkdev.h>.])])
-
- if test $ac_cv_header_sys_mkdev_h = no; then
- AC_CHECK_HEADER(sys/sysmacros.h,
- [AC_DEFINE(MAJOR_IN_SYSMACROS, 1,
- [Define if `major', `minor', and `makedev' are
- declared in <sysmacros.h>.])])
- fi
-fi
-])# AC_HEADER_MAJOR
-
-
-# AC_HEADER_STAT
-# --------------
-# FIXME: Shouldn't this be named AC_HEADER_SYS_STAT?
-AC_DEFUN([AC_HEADER_STAT],
-[AC_CACHE_CHECK(whether stat file-mode macros are broken,
- ac_cv_header_stat_broken,
-[AC_EGREP_CPP([You lose], [#include <sys/types.h>
-#include <sys/stat.h>
-
-#if defined(S_ISBLK) && defined(S_IFDIR)
-# if S_ISBLK (S_IFDIR)
-You lose.
-# endif
-#endif
-
-#if defined(S_ISBLK) && defined(S_IFCHR)
-# if S_ISBLK (S_IFCHR)
-You lose.
-# endif
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-
-#if defined(S_ISLNK) && defined(S_IFREG)
-# if S_ISLNK (S_IFREG)
-You lose.
-# endif
-#endif
-
-#if defined(S_ISSOCK) && defined(S_IFREG)
-# if S_ISSOCK (S_IFREG)
-You lose.
-# endif
-#endif
-], ac_cv_header_stat_broken=yes, ac_cv_header_stat_broken=no)])
-if test $ac_cv_header_stat_broken = yes; then
- AC_DEFINE(STAT_MACROS_BROKEN, 1,
- [Define if the `S_IS*' macros in <sys/stat.h> do not
- work properly.])
-fi
-])# AC_HEADER_STAT
-
-
-# AC_HEADER_STDC
-# --------------
-AC_DEFUN([AC_HEADER_STDC],
-[AC_CACHE_CHECK(for ANSI C header files, ac_cv_header_stdc,
-[AC_TRY_CPP([#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-], ac_cv_header_stdc=yes, ac_cv_header_stdc=no)
-
-if test $ac_cv_header_stdc = yes; then
- # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
- AC_EGREP_HEADER(memchr, string.h, , ac_cv_header_stdc=no)
-fi
-
-if test $ac_cv_header_stdc = yes; then
- # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
- AC_EGREP_HEADER(free, stdlib.h, , ac_cv_header_stdc=no)
-fi
-
-if test $ac_cv_header_stdc = yes; then
- # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
- AC_TRY_RUN(
-[#include <ctype.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
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-#else
-# define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
- || ('j' <= (c) && (c) <= 'r') \
- || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
- int i;
- for (i = 0; i < 256; i++)
- if (XOR (islower (i), ISLOWER (i))
- || toupper (i) != TOUPPER (i))
- exit(2);
- exit (0);
-}], , ac_cv_header_stdc=no, :)
-fi])
-if test $ac_cv_header_stdc = yes; then
- AC_DEFINE(STDC_HEADERS, 1, [Define if you have the ANSI C header files.])
-fi
-])# AC_HEADER_STDC
-
-
-# AC_HEADER_SYS_WAIT
-# ------------------
-AC_DEFUN([AC_HEADER_SYS_WAIT],
-[AC_CACHE_CHECK([for sys/wait.h that is POSIX.1 compatible],
- ac_cv_header_sys_wait_h,
-[AC_COMPILE_IFELSE(
-[AC_LANG_PROGRAM([#include <sys/types.h>
-#include <sys/wait.h>
-#ifndef WEXITSTATUS
-# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
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-#ifndef WIFEXITED
-# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
-#endif
-],
-[ int s;
- wait (&s);
- s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;])],
- [ac_cv_header_sys_wait_h=yes],
- [ac_cv_header_sys_wait_h=no])])
-if test $ac_cv_header_sys_wait_h = yes; then
- AC_DEFINE(HAVE_SYS_WAIT_H, 1,
- [Define if you have <sys/wait.h> that is POSIX.1 compatible.])
-fi
-])# AC_HEADER_SYS_WAIT
-
-
-# AC_HEADER_TIME
-# --------------
-AC_DEFUN([AC_HEADER_TIME],
-[AC_CACHE_CHECK([whether time.h and sys/time.h may both be included],
- ac_cv_header_time,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
-#include <sys/time.h>
-#include <time.h>
-],
-[if ((struct tm *) 0)
-return 0;])],
- [ac_cv_header_time=yes],
- [ac_cv_header_time=no])])
-if test $ac_cv_header_time = yes; then
- AC_DEFINE(TIME_WITH_SYS_TIME, 1,
- [Define if you can safely include both <sys/time.h> and <time.h>.])
-fi
-])# AC_HEADER_TIME
-
-
-# _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
-# ----------------------------------
-m4_define([_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
-[AC_CACHE_CHECK([whether termios.h defines TIOCGWINSZ],
- ac_cv_sys_tiocgwinsz_in_termios_h,
-[AC_EGREP_CPP([yes],
- [#include <sys/types.h>
-#include <termios.h>
-#ifdef TIOCGWINSZ
- yes
-#endif
-],
- ac_cv_sys_tiocgwinsz_in_termios_h=yes,
- ac_cv_sys_tiocgwinsz_in_termios_h=no)])
-])# _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
-
-
-# _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
-# ----------------------------------
-m4_define([_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL],
-[AC_CACHE_CHECK([whether sys/ioctl.h defines TIOCGWINSZ],
- ac_cv_sys_tiocgwinsz_in_sys_ioctl_h,
-[AC_EGREP_CPP([yes],
- [#include <sys/types.h>
-#include <sys/ioctl.h>
-#ifdef TIOCGWINSZ
- yes
-#endif
-],
- ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=yes,
- ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=no)])
-])# _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
-
-
-# AC_HEADER_TIOCGWINSZ
-# --------------------
-# Look for a header that defines TIOCGWINSZ.
-# FIXME: Is this the proper name? Is this the proper implementation?
-# I need more help.
-AC_DEFUN([AC_HEADER_TIOCGWINSZ],
-[AC_REQUIRE([AC_SYS_POSIX_TERMIOS])dnl
-if test $ac_cv_sys_posix_termios = yes; then
- _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
-fi
-if test $ac_cv_sys_tiocgwinsz_in_termios_h != yes; then
- _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
- if test $ac_cv_sys_tiocgwinsz_in_sys_ioctl_h = yes; then
- AC_DEFINE(GWINSZ_IN_SYS_IOCTL,1,
- [Define if `TIOCGWINSZ' requires <sys/ioctl.h>])
- fi
-fi
-])# AC_HEADER_TIOCGWINSZ
-
-
-# AU::AC_UNISTD_H
-# ---------------
-AU_DEFUN([AC_UNISTD_H],
-[AC_CHECK_HEADERS(unistd.h)])
-
-
-# AU::AC_USG
-# ----------
-# Define `USG' if string functions are in strings.h.
-AU_DEFUN([AC_USG],
-[AC_DIAGNOSE([obsolete],
-[$0: Remove `AC_MSG_CHECKING', `AC_TRY_LINK' and this `AC_WARNING'
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-AC_MSG_CHECKING([for BSD string and memory functions])
-AC_TRY_LINK([@%:@include <strings.h>], [rindex(0, 0); bzero(0, 0);],
- [AC_MSG_RESULT(yes)],
- [AC_MSG_RESULT(no)
- AC_DEFINE(USG, 1,
- [Define if you do not have <strings.h>, index, bzero, etc...
- This symbol is obsolete, you should not depend upon it.])])
-AC_CHECK_HEADERS(string.h)])
-
-
-# AU::AC_MEMORY_H
-# ---------------
-# To be precise this macro used to be:
-#
-# | AC_MSG_CHECKING(whether string.h declares mem functions)
-# | AC_EGREP_HEADER(memchr, string.h, ac_found=yes, ac_found=no)
-# | AC_MSG_RESULT($ac_found)
-# | if test $ac_found = no; then
-# | AC_CHECK_HEADER(memory.h, [AC_DEFINE(NEED_MEMORY_H)])
-# | fi
-#
-# But it is better to check for both headers, and alias NEED_MEMORY_H to
-# HAVE_MEMORY_H.
-AU_DEFUN([AC_MEMORY_H],
-[AC_DIAGNOSE([obsolete], [$0: Remove this warning and
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-AC_CHECK_HEADER(memory.h,
- [AC_DEFINE([NEED_MEMORY_H], 1,
- [Same as `HAVE_MEMORY_H', don't depend on me.])])
-AC_CHECK_HEADERS(string.h memory.h)
-])
-
-
-# AU::AC_DIR_HEADER
-# -----------------
-# Like calling `AC_HEADER_DIRENT' and `AC_FUNC_CLOSEDIR_VOID', but
-# defines a different set of C preprocessor macros to indicate which
-# header file is found.
-AU_DEFUN([AC_DIR_HEADER],
-[AC_HEADER_DIRENT
-AC_FUNC_CLOSEDIR_VOID
-AC_DIAGNOSE([obsolete],
-[$0: Remove this warning and the four `AC_DEFINE' when you
-ajust your code to use `AC_HEADER_DIRENT'.])
-test ac_cv_header_dirent_dirent_h &&
- AC_DEFINE([DIRENT], 1, [Same as `HAVE_DIRENT_H', don't depend on me.])
-test ac_cv_header_dirent_sys_ndir_h &&
- AC_DEFINE([SYSNDIR], 1, [Same as `HAVE_SYS_NDIR_H', don't depend on me.])
-test ac_cv_header_dirent_sys_dir_h &&
- AC_DEFINE([SYSDIR], 1, [Same as `HAVE_SYS_DIR_H', don't depend on me.])
-test ac_cv_header_dirent_ndir_h &&
- AC_DEFINE([NDIR], 1, [Same as `HAVE_NDIR_H', don't depend on me.])
-])
+++ /dev/null
-# acindentifiers -- autoscan's mapping from identifiers which are not
-# involved in function calls to Autoconf macros.
-# Copyright 1992, 1993, 1994, 1996, 1999, 2000, 2001
-# Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-
-# Keywords.
-const AC_C_CONST
-inline AC_C_INLINE
-
-# Variables.
-sys_siglist AC_DECL_SYS_SIGLIST
-
-# Types.
-gid_t AC_TYPE_UID_T
-mode_t AC_TYPE_MODE_T
-obstack AC_FUNC_OBSTACK
-off_t AC_TYPE_OFF_T
-pid_t AC_TYPE_PID_T
-ptrdiff_t AC_CHECK_TYPES
-size_t AC_TYPE_SIZE_T
-timeval AC_HEADER_TIME
-tm AC_STRUCT_TM
-uid_t AC_TYPE_UID_T
-
-# Macros.
-S_ISBLK AC_HEADER_STAT
-S_ISCHR AC_HEADER_STAT
-S_ISDIR AC_HEADER_STAT
-S_ISFIFO AC_HEADER_STAT
-S_ISLNK AC_HEADER_STAT
-S_ISREG AC_HEADER_STAT
-S_ISSOCK AC_HEADER_STAT
-
-# Members of structures.
-st_blksize AC_CHECK_MEMBERS([struct stat.st_blksize])
-st_blocks AC_STRUCT_ST_BLOCKS
-st_rdev AC_CHECK_MEMBERS([struct stat.st_rdev])
-tm_zone AC_STRUCT_TIMEZONE
-
-# Local Variables:
-# mode: shell-script
-# End:
+++ /dev/null
-# This file is part of Autoconf. -*- Autoconf -*-
-# Programming languages support.
-# Copyright 2000, 2001
-# Free Software Foundation, Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-#
-# As a special exception, the Free Software Foundation gives unlimited
-# permission to copy, distribute and modify the configure scripts that
-# are the output of Autoconf. You need not follow the terms of the GNU
-# General Public License when using or distributing such scripts, even
-# though portions of the text of Autoconf appear in them. The GNU
-# General Public License (GPL) does govern all other use of the material
-# that constitutes the Autoconf program.
-#
-# Certain portions of the Autoconf source text are designed to be copied
-# (in certain cases, depending on the input) into the output of
-# Autoconf. We call these the "data" portions. The rest of the Autoconf
-# source text consists of comments plus executable code that decides which
-# of the data portions to output in any given case. We call these
-# comments and executable code the "non-data" portions. Autoconf never
-# copies any of the non-data portions into its output.
-#
-# This special exception to the GPL applies to versions of Autoconf
-# released by the Free Software Foundation. When you make and
-# distribute a modified version of Autoconf, you may extend this special
-# exception to the GPL to apply to your modified version as well, *unless*
-# your modified version has the potential to copy into its output some
-# of the text that was the non-data portion of the version that you started
-# with. (In other words, unless your change moves or copies text from
-# the non-data portions to the data portions.) If your modification has
-# such potential, you must delete any notice of this special exception
-# to the GPL from your modified version.
-#
-# Written by David MacKenzie, with help from
-# Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
-# Roland McGrath, Noah Friedman, david d zuhn, and many others.
-
-
-# Table of Contents:
-#
-# 1. Language selection
-# and routines to produce programs in a given language.
-# a. generic routines
-# b. C
-# c. C++
-# d. Fortran 77
-#
-# 2. Producing programs in a given language.
-# a. generic routines
-# b. C
-# c. C++
-# d. Fortran 77
-#
-# 3. Looking for a compiler
-# And possibly the associated preprocessor.
-# a. Generic routines.
-# b. C
-# c. C++
-# d. Fortran 77
-#
-# 4. Compilers' characteristics.
-# a. Generic routines.
-# b. C
-# c. C++
-# d. Fortran 77
-
-
-
-## ----------------------- ##
-## 1. Language selection. ##
-## ----------------------- ##
-
-
-
-# -------------------------------- #
-# 1a. Generic language selection. #
-# -------------------------------- #
-
-# AC_LANG_CASE(LANG1, IF-LANG1, LANG2, IF-LANG2, ..., DEFAULT)
-# ------------------------------------------------------------
-# Expand into IF-LANG1 if the current language is LANG1 etc. else
-# into default.
-m4_define([AC_LANG_CASE],
-[m4_case(_AC_LANG, $@)])
-
-
-# _AC_LANG_DISPATCH(MACRO, LANG, ARGS)
-# ------------------------------------
-# Call the specialization of MACRO for LANG with ARGS. Complain if
-# unavailable.
-m4_define([_AC_LANG_DISPATCH],
-[m4_ifdef([$1($2)],
- [m4_indir([$1($2)], m4_shiftn(2, $@))],
- [AC_FATAL([$1: unknown language: $2])])])
-
-
-# _AC_LANG_SET(OLD, NEW)
-# ----------------------
-# Output the shell code needed to switch from OLD language to NEW language.
-# Do not try to optimize like this:
-#
-# m4_defun([_AC_LANG_SET],
-# [m4_if([$1], [$2], [],
-# [_AC_LANG_DISPATCH([AC_LANG], [$2])])])
-#
-# as it can introduce differences between the sh-current language and the
-# m4-current-language when m4_require is used. Something more subtle
-# might be possible, but at least for the time being, play it safe.
-m4_defun([_AC_LANG_SET],
-[_AC_LANG_DISPATCH([AC_LANG], [$2])])
-
-
-# AC_LANG(LANG)
-# -------------
-# Set the current language to LANG.
-m4_defun([AC_LANG],
-[_AC_LANG_SET(m4_ifdef([_AC_LANG], [m4_defn([_AC_LANG])]),
- [$1])dnl
-m4_define([_AC_LANG], [$1])])
-
-
-# AC_LANG_PUSH(LANG)
-# ------------------
-# Save the current language, and use LANG.
-m4_defun([AC_LANG_PUSH],
-[_AC_LANG_SET(m4_ifdef([_AC_LANG], [m4_defn([_AC_LANG])]),
- [$1])dnl
-m4_pushdef([_AC_LANG], [$1])])
-
-
-# AC_LANG_POP([LANG])
-# -------------------
-# If given, check that the current language is LANG, and restore the
-# previous language.
-m4_defun([AC_LANG_POP],
-[m4_ifval([$1],
- [m4_if([$1], m4_defn([_AC_LANG]), [],
- [m4_fatal([$0($1): unexpected current language: ]m4_defn([_AC_LANG]))])])dnl
-m4_pushdef([$0 OLD], m4_defn([_AC_LANG]))dnl
-m4_popdef([_AC_LANG])dnl
-_AC_LANG_SET(m4_defn([$0 OLD]), m4_defn([_AC_LANG]))dnl
-m4_popdef([$0 OLD])dnl
-])
-
-
-# AC_LANG_SAVE
-# ------------
-# Save the current language, but don't change language.
-AU_DEFUN([AC_LANG_SAVE],
-[AC_DIAGNOSE([obsolete],
- [instead of using `AC_LANG', `AC_LANG_SAVE',
-and `AC_LANG_RESTORE', you should use `AC_LANG_PUSH' and `AC_LANG_POP'.])
-m4_pushdef([_AC_LANG], _AC_LANG)])
-
-
-# AC_LANG_RESTORE
-# ---------------
-# Restore the current language from the stack.
-AU_DEFUN([AC_LANG_RESTORE], [AC_LANG_POP($@)])
-
-
-# _AC_LANG_ABBREV
-# ---------------
-# Return a short signature of _AC_LANG which can be used in shell
-# variable names, or in M4 macro names.
-m4_defun([_AC_LANG_ABBREV],
-[_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
-
-
-# AC_LANG_ASSERT(LANG)
-# --------------------
-# Current language must be LANG.
-m4_defun([AC_LANG_ASSERT],
-[m4_if(_AC_LANG, $1, [],
- [m4_fatal([$0: current language is not $1: ] _AC_LANG)])])
-
-
-
-# -------------------- #
-# 1b. The C language. #
-# -------------------- #
-
-
-# AC_LANG(C)
-# ----------
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
-m4_define([AC_LANG(C)],
-[ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&AS_MESSAGE_LOG_FD'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&AS_MESSAGE_LOG_FD'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-])
-
-
-# AC_LANG_C
-# ---------
-AU_DEFUN([AC_LANG_C], [AC_LANG(C)])
-
-
-# _AC_LANG_ABBREV(C)
-# ------------------
-m4_define([_AC_LANG_ABBREV(C)], [c])
-
-
-# ---------------------- #
-# 1c. The C++ language. #
-# ---------------------- #
-
-
-# AC_LANG(C++)
-# ------------
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
-m4_define([AC_LANG(C++)],
-[ac_ext=cc
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&AS_MESSAGE_LOG_FD'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&AS_MESSAGE_LOG_FD'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-])
-
-
-# AC_LANG_CPLUSPLUS
-# -----------------
-AU_DEFUN([AC_LANG_CPLUSPLUS], [AC_LANG(C++)])
-
-
-# _AC_LANG_ABBREV(C++)
-# --------------------
-m4_define([_AC_LANG_ABBREV(C++)], [cxx])
-
-
-# ----------------------------- #
-# 1d. The Fortran 77 language. #
-# ----------------------------- #
-
-
-# AC_LANG(Fortran 77)
-# -------------------
-m4_define([AC_LANG(Fortran 77)],
-[ac_ext=f
-ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&AS_MESSAGE_LOG_FD'
-ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&AS_MESSAGE_LOG_FD'
-ac_compiler_gnu=$ac_cv_f77_compiler_gnu
-])
-
-
-# AC_LANG_FORTRAN77
-# -----------------
-AU_DEFUN([AC_LANG_FORTRAN77], [AC_LANG(Fortran 77)])
-
-
-# _AC_LANG_ABBREV(Fortran 77)
-# ---------------------------
-m4_define([_AC_LANG_ABBREV(Fortran 77)], [f77])
-
-
-
-## ---------------------- ##
-## 2.Producing programs. ##
-## ---------------------- ##
-
-
-# ---------------------- #
-# 2a. Generic routines. #
-# ---------------------- #
-
-
-# AC_LANG_CONFTEST(BODY)
-# ----------------------
-# Save the BODY in `conftest.$ac_ext'. Add a trailing new line.
-m4_define([AC_LANG_CONFTEST],
-[cat >conftest.$ac_ext <<_ACEOF
-$1
-_ACEOF])
-
-
-# AC_LANG_SOURCE(BODY)
-# --------------------
-# Produce a valid source for the current language, which includes the
-# BODY, and as much as possible `confdefs.h' and the `#line' sync
-# lines.
-AC_DEFUN([AC_LANG_SOURCE],
-[_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
-
-
-# AC_LANG_PROGRAM([PROLOGUE], [BODY])
-# -----------------------------------
-# Produce a valid source for the current language. Prepend the
-# PROLOGUE (typically CPP directives and/or declarations) to an
-# execution the BODY (typically glued inside the `main' function, or
-# equivalent).
-AC_DEFUN([AC_LANG_PROGRAM],
-[AC_LANG_SOURCE([_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])])
-
-
-# AC_LANG_CALL(PROLOGUE, FUNCTION)
-# --------------------------------
-# Call the FUNCTION.
-AC_DEFUN([AC_LANG_CALL],
-[_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
-
-
-# AC_LANG_FUNC_LINK_TRY(FUNCTION)
-# -------------------------------
-# Produce a source which links correctly iff the FUNCTION exists.
-AC_DEFUN([AC_LANG_FUNC_LINK_TRY],
-[_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
-
-
-# AC_LANG_BOOL_COMPILE_TRY(PROLOGUE, EXPRESSION)
-# ----------------------------------------------
-# Produce a program that compiles with success iff the boolean EXPRESSION
-# evaluates to true at compile time.
-AC_DEFUN([AC_LANG_BOOL_COMPILE_TRY],
-[_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
-
-
-# AC_LANG_INT_SAVE(PROLOGUE, EXPRESSION)
-# --------------------------------------
-# Produce a program that saves the runtime evaluation of the integer
-# EXPRESSION into `conftest.val'.
-AC_DEFUN([AC_LANG_INT_SAVE],
-[_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
-
-
-# --------------- #
-# 2b. C sources. #
-# --------------- #
-
-# AC_LANG_SOURCE(C)(BODY)
-# -----------------------
-# This sometimes fails to find confdefs.h, for some reason.
-# #line __oline__ "$[0]"
-m4_define([AC_LANG_SOURCE(C)],
-[#line __oline__ "configure"
-#include "confdefs.h"
-$1])
-
-
-# AC_LANG_PROGRAM(C)([PROLOGUE], [BODY])
-# --------------------------------------
-# If AC_F77_DUMMY_MAIN was run, then any C/C++ program might be linked
-# against Fortran code, hence a dummy main might be needed.
-m4_define([AC_LANG_PROGRAM(C)],
-[$1
-m4_ifdef([_AC_LANG_PROGRAM_C_F77_HOOKS], [_AC_LANG_PROGRAM_C_F77_HOOKS()])dnl
-int
-main ()
-{
-dnl Do *not* indent the following line: there may be CPP directives.
-dnl Don't move the `;' right after for the same reason.
-$2
- ;
- return 0;
-}])
-
-
-# AC_LANG_CALL(C)(PROLOGUE, FUNCTION)
-# -----------------------------------
-# Avoid conflicting decl of main.
-m4_define([AC_LANG_CALL(C)],
-[AC_LANG_PROGRAM([$1
-m4_if([$2], [main], ,
-[/* Override any gcc2 internal prototype to avoid an error. */
-#ifdef __cplusplus
-extern "C"
-#endif
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char $2 ();])], [$2 ();])])
-
-
-# AC_LANG_FUNC_LINK_TRY(C)(FUNCTION)
-# ----------------------------------
-# Don't include <ctype.h> because on OSF/1 3.0 it includes
-# <sys/types.h> which includes <sys/select.h> which contains a
-# prototype for select. Similarly for bzero.
-m4_define([AC_LANG_FUNC_LINK_TRY(C)],
-[AC_LANG_PROGRAM(
-[/* System header to define __stub macros and hopefully few prototypes,
- which can conflict with char $1 (); below. */
-#include <assert.h>
-/* Override any gcc2 internal prototype to avoid an error. */
-#ifdef __cplusplus
-extern "C"
-#endif
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char $1 ();
-char (*f) ();
-],
-[/* The GNU C library defines this for functions which it implements
- to always fail with ENOSYS. Some functions are actually named
- something starting with __ and the normal name is an alias. */
-#if defined (__stub_$1) || defined (__stub___$1)
-choke me
-#else
-f = $1;
-#endif
-])])
-
-
-# AC_LANG_BOOL_COMPILE_TRY(C)(PROLOGUE, EXPRESSION)
-# -------------------------------------------------
-m4_define([AC_LANG_BOOL_COMPILE_TRY(C)],
-[AC_LANG_PROGRAM([$1], [int _array_ @<:@1 - 2 * !($2)@:>@])])
-
-
-# AC_LANG_INT_SAVE(C)(PROLOGUE, EXPRESSION)
-# -----------------------------------------
-# We need `stdio.h' to open a `FILE', so the prologue defaults to the
-# inclusion of `stdio.h'.
-m4_define([AC_LANG_INT_SAVE(C)],
-[AC_LANG_PROGRAM([m4_default([$1], [@%:@include <stdio.h>])],
-[FILE *f = fopen ("conftest.val", "w");
-if (!f)
- exit (1);
-fprintf (f, "%d", ($2));
-fclose (f);])])
-
-
-# ----------------- #
-# 2c. C++ sources. #
-# ----------------- #
-
-# AC_LANG_SOURCE(C++)(BODY)
-# -------------------------
-m4_copy([AC_LANG_SOURCE(C)], [AC_LANG_SOURCE(C++)])
-
-
-# AC_LANG_PROGRAM(C++)([PROLOGUE], [BODY])
-# ----------------------------------------
-m4_copy([AC_LANG_PROGRAM(C)], [AC_LANG_PROGRAM(C++)])
-
-
-# AC_LANG_CALL(C++)(PROLOGUE, FUNCTION)
-# -------------------------------------
-m4_copy([AC_LANG_CALL(C)], [AC_LANG_CALL(C++)])
-
-
-# AC_LANG_FUNC_LINK_TRY(C++)(FUNCTION)
-# ------------------------------------
-m4_copy([AC_LANG_FUNC_LINK_TRY(C)], [AC_LANG_FUNC_LINK_TRY(C++)])
-
-
-# AC_LANG_BOOL_COMPILE_TRY(C++)(PROLOGUE, EXPRESSION)
-# ---------------------------------------------------
-m4_copy([AC_LANG_BOOL_COMPILE_TRY(C)], [AC_LANG_BOOL_COMPILE_TRY(C++)])
-
-
-# AC_LANG_INT_SAVE(C++)(PROLOGUE, EXPRESSION)
-# -------------------------------------------
-m4_copy([AC_LANG_INT_SAVE(C)], [AC_LANG_INT_SAVE(C++)])
-
-
-
-# ------------------------ #
-# 2d. Fortran 77 sources. #
-# ------------------------ #
-
-# AC_LANG_SOURCE(Fortran 77)(BODY)
-# --------------------------------
-# FIXME: Apparently, according to former AC_TRY_COMPILER, the CPP
-# directives must not be included. But AC_TRY_RUN_NATIVE was not
-# avoiding them, so?
-m4_define([AC_LANG_SOURCE(Fortran 77)],
-[$1])
-
-
-# AC_LANG_PROGRAM(Fortran 77)([PROLOGUE], [BODY])
-# -----------------------------------------------
-# Yes, we discard the PROLOGUE.
-m4_define([AC_LANG_PROGRAM(Fortran 77)],
-[m4_ifval([$1],
- [m4_warn([syntax], [$0: ignoring PROLOGUE: $1])])dnl
- program main
-$2
- end])
-
-
-# AC_LANG_CALL(Fortran 77)(PROLOGUE, FUNCTION)
-# --------------------------------------------
-# FIXME: This is a guess, help!
-m4_define([AC_LANG_CALL(Fortran 77)],
-[AC_LANG_PROGRAM([$1],
-[ call $2])])
-
-
-
-
-## -------------------------------------------- ##
-## 3. Looking for Compilers and Preprocessors. ##
-## -------------------------------------------- ##
-
-# ----------------------------------------------------- #
-# 3a. Generic routines in compilers and preprocessors. #
-# ----------------------------------------------------- #
-
-# AC_LANG_COMPILER
-# ----------------
-# Find a compiler for the current LANG. Be sure to be run before
-# AC_LANG_PREPROC.
-#
-# Note that because we might AC_REQUIRE `AC_LANG_COMPILER(C)' for
-# instance, the latter must be AC_DEFUN'd, not just define'd.
-m4_define([AC_LANG_COMPILER],
-[AC_BEFORE([AC_LANG_COMPILER(]_AC_LANG[)],
- [AC_LANG_PREPROC(]_AC_LANG[)])dnl
-_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
-
-
-# AC_LANG_COMPILER_REQUIRE
-# ------------------------
-# Ensure we have a compiler for the current LANG.
-AC_DEFUN([AC_LANG_COMPILER_REQUIRE],
-[m4_require([AC_LANG_COMPILER(]_AC_LANG[)],
- [AC_LANG_COMPILER])])
-
-
-
-# _AC_LANG_COMPILER_GNU
-# ---------------------
-# Check whether the compiler for the current language is GNU.
-#
-# It doesn't seem necessary right now to have a different source
-# according to the current language, since this works fine. Some day
-# it might be needed. Nevertheless, pay attention to the fact that
-# the position of `choke me' on the seventh column is meant: otherwise
-# some Fortran compilers (e.g., SGI) might consider it's a
-# continuation line, and warn instead of reporting an error.
-m4_define([_AC_LANG_COMPILER_GNU],
-[AC_CACHE_CHECK([whether we are using the GNU _AC_LANG compiler],
- [ac_cv_[]_AC_LANG_ABBREV[]_compiler_gnu],
-[_AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[#ifndef __GNUC__
- choke me
-#endif
-]])],
- [ac_compiler_gnu=yes],
- [ac_compiler_gnu=no])
-ac_cv_[]_AC_LANG_ABBREV[]_compiler_gnu=$ac_compiler_gnu
-])])# _AC_LANG_COMPILER_GNU
-
-
-# AC_LANG_PREPROC
-# ---------------
-# Find a preprocessor for the current language. Note that because we
-# might AC_REQUIRE `AC_LANG_PREPROC(C)' for instance, the latter must
-# be AC_DEFUN'd, not just define'd. Since the preprocessor depends
-# upon the compiler, look for the compiler.
-m4_define([AC_LANG_PREPROC],
-[AC_LANG_COMPILER_REQUIRE()dnl
-_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
-
-
-# AC_LANG_PREPROC_REQUIRE
-# -----------------------
-# Ensure we have a preprocessor for the current language.
-AC_DEFUN([AC_LANG_PREPROC_REQUIRE],
-[m4_require([AC_LANG_PREPROC(]_AC_LANG[)],
- [AC_LANG_PREPROC])])
-
-
-# AC_REQUIRE_CPP
-# --------------
-# Require the preprocessor for the current language.
-# FIXME: AU_ALIAS once AC_LANG is officially documented (2.51?).
-AC_DEFUN([AC_REQUIRE_CPP],
-[AC_LANG_PREPROC_REQUIRE])
-
-
-
-# AC_NO_EXECUTABLES
-# -----------------
-# FIXME: The GCC team has specific needs which the current Autoconf
-# framework cannot solve elegantly. This macro implements a dirty
-# hack until Autoconf is abble to provide the services its users
-# needs.
-#
-# Several of the support libraries that are often built with GCC can't
-# assume the tool-chain is already capable of linking a program: the
-# compiler often expects to be able to link with some of such
-# libraries.
-#
-# In several of these libraries, work-arounds have been introduced to
-# avoid the AC_PROG_CC_WORKS test, that would just abort their
-# configuration. The introduction of AC_EXEEXT, enabled either by
-# libtool or by CVS autoconf, have just made matters worse.
-AC_DEFUN_ONCE([AC_NO_EXECUTABLES],
-[m4_divert_push([KILL])
-
-AC_BEFORE([$0], [_AC_COMPILER_EXEEXT_WORKS])
-AC_BEFORE([$0], [_AC_COMPILER_EXEEXT])
-
-m4_define([_AC_COMPILER_EXEEXT_WORKS],
-[cross_compiling=maybe
-])
-
-m4_define([_AC_COMPILER_EXEEXT],
-[EXEEXT=
-])
-
-m4_define([AC_LINK_IFELSE],
-[AC_FATAL([All the tests involving linking were disabled by $0])])
-
-m4_divert_pop()dnl
-])# AC_NO_EXECUTABLES
-
-
-
-# ----------------------------- #
-# Computing EXEEXT and OBJEXT. #
-# ----------------------------- #
-
-
-# Files to ignore
-# ---------------
-# Ignore .d files produced by CFLAGS=-MD.
-#
-# On UWIN (which uses a cc wrapper for MSVC), the compiler also generates
-# a .pdb file
-#
-# When the w32 free Borland C++ command line compiler links a program
-# (conftest.exe), it also produces a file named `conftest.tds' in
-# addition to `conftest.obj'
-
-
-# We must not AU define them, because autoupdate would then remove
-# them, which is right, but Automake 1.4 would remove the support for
-# $(EXEEXT) etc.
-# FIXME: Remove this once Automake fixed.
-AC_DEFUN([AC_EXEEXT], [])
-AC_DEFUN([AC_OBJEXT], [])
-
-
-# _AC_COMPILER_EXEEXT_DEFAULT
-# ---------------------------
-# Check for the extension used for the default name for executables.
-# Beware of `expr' that may return `0' or `'. Since this macro is
-# the first one in touch with the compiler, it should also check that
-# it compiles properly.
-m4_define([_AC_COMPILER_EXEEXT_DEFAULT],
-[# Try to create an executable without -o first, disregard a.out.
-# It will help us diagnose broken compilers, and finding out an intuition
-# of exeext.
-AC_MSG_CHECKING([for _AC_LANG compiler default output])
-ac_link_default=`echo "$ac_link" | sed ['s/ -o *conftest[^ ]*//']`
-AS_IF([AC_TRY_EVAL(ac_link_default)],
-[# Find the output, starting from the most likely. This scheme is
-# not robust to junk in `.', hence go to wildcards (a.*) only as a last
-# resort.
-for ac_file in `ls a.exe conftest.exe 2>/dev/null;
- ls a.out conftest 2>/dev/null;
- ls a.* conftest.* 2>/dev/null`; do
- case $ac_file in
- *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;;
- a.out ) # We found the default executable, but exeext='' is most
- # certainly right.
- break;;
- *.* ) ac_cv_exeext=`expr "$ac_file" : ['[^.]*\(\..*\)']`
- # FIXME: I believe we export ac_cv_exeext for Libtool --akim.
- export ac_cv_exeext
- break;;
- * ) break;;
- esac
-done],
- [echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD
-cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD
-AC_MSG_ERROR([_AC_LANG compiler cannot create executables], 77)])
-ac_exeext=$ac_cv_exeext
-AC_MSG_RESULT([$ac_file])
-])# _AC_COMPILER_EXEEXT_DEFAULT
-
-
-# _AC_COMPILER_EXEEXT_WORKS
-# -------------------------
-m4_define([_AC_COMPILER_EXEEXT_WORKS],
-[# Check the compiler produces executables we can run. If not, either
-# the compiler is broken, or we cross compile.
-AC_MSG_CHECKING([whether the _AC_LANG compiler works])
-# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
-# If not cross compiling, check that we can run a simple program.
-if test "$cross_compiling" != yes; then
- if AC_TRY_COMMAND([./$ac_file]); then
- cross_compiling=no
- else
- if test "$cross_compiling" = maybe; then
- cross_compiling=yes
- else
- AC_MSG_ERROR([cannot run _AC_LANG compiled programs.
-If you meant to cross compile, use `--host'.])
- fi
- fi
-fi
-AC_MSG_RESULT([yes])
-])# _AC_COMPILER_EXEEXT_WORKS
-
-
-# _AC_COMPILER_EXEEXT_CROSS
-# -------------------------
-m4_define([_AC_COMPILER_EXEEXT_CROSS],
-[# Check the compiler produces executables we can run. If not, either
-# the compiler is broken, or we cross compile.
-AC_MSG_CHECKING([whether we are cross compiling])
-AC_MSG_RESULT([$cross_compiling])
-])# _AC_COMPILER_EXEEXT_CROSS
-
-
-# _AC_COMPILER_EXEEXT_O
-# ---------------------
-# Check for the extension used when `-o foo'. Try to see if ac_cv_exeext,
-# as computed by _AC_COMPILER_EXEEXT_DEFAULT is OK.
-m4_define([_AC_COMPILER_EXEEXT_O],
-[AC_MSG_CHECKING([for executable suffix])
-AS_IF([AC_TRY_EVAL(ac_link)],
-[# If both `conftest.exe' and `conftest' are `present' (well, observable)
-# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will
-# work properly (i.e., refer to `conftest.exe'), while it won't with
-# `rm'.
-for ac_file in `(ls conftest.exe; ls conftest; ls conftest.*) 2>/dev/null`; do
- case $ac_file in
- *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;;
- *.* ) ac_cv_exeext=`expr "$ac_file" : ['[^.]*\(\..*\)']`
- export ac_cv_exeext
- break;;
- * ) break;;
- esac
-done],
- [AC_MSG_ERROR([cannot compute EXEEXT: cannot compile and link])])
-rm -f conftest$ac_cv_exeext
-AC_MSG_RESULT([$ac_cv_exeext])
-])# _AC_COMPILER_EXEEXT_O
-
-
-# _AC_COMPILER_EXEEXT
-# -------------------
-# Check for the extension used for executables. It compiles a test
-# executable. If this is called, the executable extensions will be
-# automatically used by link commands run by the configure script.
-#
-# Note that some compilers (cross or not), strictly obey to `-o foo' while
-# the host requires `foo.exe', so we should not depend upon `-o' to
-# test EXEEXT. But then, be sure no to destroy user files.
-#
-# Must be run before _AC_COMPILER_OBJEXT because _AC_COMPILER_EXEEXT_DEFAULT
-# checks whether the compiler works.
-m4_define([_AC_COMPILER_EXEEXT],
-[AC_LANG_CONFTEST([AC_LANG_PROGRAM()])
-ac_clean_files_save=$ac_clean_files
-ac_clean_files="$ac_clean_files a.out a.exe"
-_AC_COMPILER_EXEEXT_DEFAULT
-_AC_COMPILER_EXEEXT_WORKS
-rm -f a.out a.exe conftest$ac_cv_exeext
-ac_clean_files=$ac_clean_files_save
-_AC_COMPILER_EXEEXT_CROSS
-_AC_COMPILER_EXEEXT_O
-rm -f conftest.$ac_ext
-AC_SUBST([EXEEXT], [$ac_cv_exeext])dnl
-ac_exeext=$EXEEXT
-])# _AC_COMPILER_EXEEXT
-
-
-# _AC_COMPILER_OBJEXT
-# -------------------
-# Check the object extension used by the compiler: typically `.o' or
-# `.obj'. If this is called, some other behaviour will change,
-# determined by ac_objext.
-#
-# This macro is called by AC_LANG_COMPILER, the latter being required
-# by the AC_COMPILE_IFELSE macros, so use _AC_COMPILE_IFELSE. And in fact,
-# don't, since _AC_COMPILE_IFELSE needs to know ac_objext for the `test -s'
-# it includes. So do it by hand.
-m4_define([_AC_COMPILER_OBJEXT],
-[AC_CACHE_CHECK([for object suffix], ac_cv_objext,
-[AC_LANG_CONFTEST([AC_LANG_PROGRAM()])
-rm -f conftest.o conftest.obj
-AS_IF([AC_TRY_EVAL(ac_compile)],
-[for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do
- case $ac_file in
- *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb ) ;;
- *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
- break;;
- esac
-done],
- [echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD
-cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD
-AC_MSG_ERROR([cannot compute OBJEXT: cannot compile])])
-rm -f conftest.$ac_cv_objext conftest.$ac_ext])
-AC_SUBST([OBJEXT], [$ac_cv_objext])dnl
-ac_objext=$OBJEXT
-])# _AC_COMPILER_OBJEXT
-
-
-# -------------------- #
-# 3b. The C compiler. #
-# -------------------- #
-
-
-# _AC_ARG_VAR_CPPFLAGS
-# --------------------
-# Document and register CPPFLAGS, which is used by
-# AC_PROG_{CC, CPP, CXX, CXXCPP}.
-AC_DEFUN([_AC_ARG_VAR_CPPFLAGS],
-[AC_ARG_VAR([CPPFLAGS],
- [C/C++ preprocessor flags, e.g. -I<include dir> if you have
- headers in a nonstandard directory <include dir>])])
-
-
-# _AC_ARG_VAR_LDFLAGS
-# -------------------
-# Document and register LDFLAGS, which is used by
-# AC_PROG_{CC, CXX, F77}.
-AC_DEFUN([_AC_ARG_VAR_LDFLAGS],
-[AC_ARG_VAR([LDFLAGS],
- [linker flags, e.g. -L<lib dir> if you have libraries in a
- nonstandard directory <lib dir>])])
-
-
-
-# AC_LANG_PREPROC(C)
-# -------------------
-# Find the C preprocessor. Must be AC_DEFUN'd to be AC_REQUIRE'able.
-AC_DEFUN([AC_LANG_PREPROC(C)],
-[AC_REQUIRE([AC_PROG_CPP])])
-
-
-# _AC_PROG_PREPROC_WORKS_IFELSE(IF-WORKS, IF-NOT)
-# -----------------------------------------------
-# Check if $ac_cpp is a working preprocessor that can flag absent
-# includes either by the exit status or by warnings.
-# Set ac_cpp_err to a non-empty value if the preprocessor failed.
-# This macro is for all languages, not only C.
-AC_DEFUN([_AC_PROG_PREPROC_WORKS_IFELSE],
-[ac_preproc_ok=false
-for ac_[]_AC_LANG_ABBREV[]_preproc_warn_flag in '' yes
-do
- # Use a header file that comes with gcc, so configuring glibc
- # with a fresh cross-compiler works.
- # On the NeXT, cc -E runs the code through the compiler's parser,
- # not just through cpp. "Syntax error" is here to catch this case.
- _AC_PREPROC_IFELSE([AC_LANG_SOURCE([[@%:@include <assert.h>
- Syntax error]])],
- [],
- [# Broken: fails on valid input.
-continue])
-
- # OK, works on sane cases. Now check whether non-existent headers
- # can be detected and how.
- _AC_PREPROC_IFELSE([AC_LANG_SOURCE([[@%:@include <ac_nonexistent.h>]])],
- [# Broken: success on invalid input.
-continue],
- [# Passes both tests.
-ac_preproc_ok=:
-break])
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
-AS_IF([$ac_preproc_ok], [$1], [$2])])# _AC_PROG_PREPROC_WORKS_IFELSE
-
-
-# AC_PROG_CPP
-# -----------
-# Find a working C preprocessor.
-# We shouldn't have to require AC_PROG_CC, but this is due to the concurrency
-# between the AC_LANG_COMPILER_REQUIRE family and that of AC_PROG_CC.
-AC_DEFUN([AC_PROG_CPP],
-[AC_REQUIRE([AC_PROG_CC])dnl
-AC_ARG_VAR([CPP], [C preprocessor])dnl
-_AC_ARG_VAR_CPPFLAGS()dnl
-AC_LANG_PUSH(C)dnl
-AC_MSG_CHECKING([how to run the C preprocessor])
-# On Suns, sometimes $CPP names a directory.
-if test -n "$CPP" && test -d "$CPP"; then
- CPP=
-fi
-if test -z "$CPP"; then
- AC_CACHE_VAL([ac_cv_prog_CPP],
- [dnl
- # Double quotes because CPP needs to be expanded
- for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
- do
- _AC_PROG_PREPROC_WORKS_IFELSE([break])
- done
- ac_cv_prog_CPP=$CPP
- ])dnl
- CPP=$ac_cv_prog_CPP
-else
- ac_cv_prog_CPP=$CPP
-fi
-AC_MSG_RESULT([$CPP])
-_AC_PROG_PREPROC_WORKS_IFELSE([],
- [AC_MSG_ERROR([C preprocessor "$CPP" fails sanity check])])
-AC_SUBST(CPP)dnl
-AC_LANG_POP(C)dnl
-])# AC_PROG_CPP
-
-
-# AC_LANG_COMPILER(C)
-# -------------------
-# Find the C compiler. Must be AC_DEFUN'd to be AC_REQUIRE'able.
-AC_DEFUN([AC_LANG_COMPILER(C)],
-[AC_REQUIRE([AC_PROG_CC])])
-
-
-# ac_cv_prog_gcc
-# --------------
-# We used to name the cache variable this way.
-AU_DEFUN([ac_cv_prog_gcc],
-[ac_cv_c_compiler_gnu])
-
-
-# AC_PROG_CC([COMPILER ...])
-# --------------------------
-# COMPILER ... is a space separated list of C compilers to search for.
-# This just gives the user an opportunity to specify an alternative
-# search list for the C compiler.
-AC_DEFUN([AC_PROG_CC],
-[AC_LANG_PUSH(C)dnl
-AC_ARG_VAR([CC], [C compiler command])dnl
-AC_ARG_VAR([CFLAGS], [C compiler flags])dnl
-_AC_ARG_VAR_LDFLAGS()dnl
-_AC_ARG_VAR_CPPFLAGS()dnl
-m4_ifval([$1],
- [AC_CHECK_TOOLS(CC, [$1])],
-[AC_CHECK_TOOL(CC, gcc)
-if test -z "$CC"; then
- AC_CHECK_TOOL(CC, cc)
-fi
-if test -z "$CC"; then
- AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
-fi
-if test -z "$CC"; then
- AC_CHECK_TOOLS(CC, cl)
-fi
-])
-
-test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
-
-# Provide some information about the compiler.
-echo "$as_me:__oline__:" \
- "checking for _AC_LANG compiler version" >&AS_MESSAGE_LOG_FD
-ac_compiler=`set X $ac_compile; echo $[2]`
-_AC_EVAL([$ac_compiler --version </dev/null >&AS_MESSAGE_LOG_FD])
-_AC_EVAL([$ac_compiler -v </dev/null >&AS_MESSAGE_LOG_FD])
-_AC_EVAL([$ac_compiler -V </dev/null >&AS_MESSAGE_LOG_FD])
-
-m4_expand_once([_AC_COMPILER_EXEEXT])[]dnl
-m4_expand_once([_AC_COMPILER_OBJEXT])[]dnl
-_AC_LANG_COMPILER_GNU
-GCC=`test $ac_compiler_gnu = yes && echo yes`
-_AC_PROG_CC_G
-# Some people use a C++ compiler to compile C. Since we use `exit',
-# in C++ we need to declare it. In case someone uses the same compiler
-# for both compiling C and C++ we need to have the C++ compiler decide
-# the declaration of exit, since it's the most demanding environment.
-_AC_COMPILE_IFELSE([@%:@ifndef __cplusplus
- choke me
-@%:@endif],
- [_AC_PROG_CXX_EXIT_DECLARATION])
-AC_LANG_POP(C)dnl
-])# AC_PROG_CC
-
-
-# _AC_PROG_CC_G
-# -------------
-# Check whether -g works, even if CFLAGS is set, in case the package
-# plays around with CFLAGS (such as to build both debugging and normal
-# versions of a library), tasteless as that idea is.
-m4_define([_AC_PROG_CC_G],
-[ac_test_CFLAGS=${CFLAGS+set}
-ac_save_CFLAGS=$CFLAGS
-CFLAGS="-g"
-AC_CACHE_CHECK(whether $CC accepts -g, ac_cv_prog_cc_g,
- [_AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [ac_cv_prog_cc_g=yes],
- [ac_cv_prog_cc_g=no])])
-if test "$ac_test_CFLAGS" = set; then
- CFLAGS=$ac_save_CFLAGS
-elif test $ac_cv_prog_cc_g = yes; then
- if test "$GCC" = yes; then
- CFLAGS="-g -O2"
- else
- CFLAGS="-g"
- fi
-else
- if test "$GCC" = yes; then
- CFLAGS="-O2"
- else
- CFLAGS=
- fi
-fi[]dnl
-])# _AC_PROG_CC_G
-
-
-# AC_PROG_GCC_TRADITIONAL
-# -----------------------
-AC_DEFUN([AC_PROG_GCC_TRADITIONAL],
-[if test $ac_cv_c_compiler_gnu = yes; then
- AC_CACHE_CHECK(whether $CC needs -traditional,
- ac_cv_prog_gcc_traditional,
-[ ac_pattern="Autoconf.*'x'"
- AC_EGREP_CPP($ac_pattern, [#include <sgtty.h>
-Autoconf TIOCGETP],
- ac_cv_prog_gcc_traditional=yes, ac_cv_prog_gcc_traditional=no)
-
- if test $ac_cv_prog_gcc_traditional = no; then
- AC_EGREP_CPP($ac_pattern, [#include <termio.h>
-Autoconf TCGETA],
- ac_cv_prog_gcc_traditional=yes)
- fi])
- if test $ac_cv_prog_gcc_traditional = yes; then
- CC="$CC -traditional"
- fi
-fi
-])# AC_PROG_GCC_TRADITIONAL
-
-
-# AC_PROG_CC_C_O
-# --------------
-AC_DEFUN([AC_PROG_CC_C_O],
-[AC_REQUIRE([AC_PROG_CC])dnl
-if test "x$CC" != xcc; then
- AC_MSG_CHECKING([whether $CC and cc understand -c and -o together])
-else
- AC_MSG_CHECKING([whether cc understands -c and -o together])
-fi
-set dummy $CC; ac_cc=`echo $[2] |
- sed 's/[[^a-zA-Z0-9_]]/_/g;s/^[[0-9]]/_/'`
-AC_CACHE_VAL(ac_cv_prog_cc_${ac_cc}_c_o,
-[AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
-# Make sure it works both with $CC and with simple cc.
-# We do the test twice because some compilers refuse to overwrite an
-# existing .o file with -o, though they will create one.
-ac_try='$CC -c conftest.$ac_ext -o conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
-if AC_TRY_EVAL(ac_try) &&
- test -f conftest.$ac_objext && AC_TRY_EVAL(ac_try);
-then
- eval ac_cv_prog_cc_${ac_cc}_c_o=yes
- if test "x$CC" != xcc; then
- # Test first that cc exists at all.
- if AC_TRY_COMMAND(cc -c conftest.$ac_ext >&AS_MESSAGE_LOG_FD); then
- ac_try='cc -c conftest.$ac_ext -o conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
- if AC_TRY_EVAL(ac_try) &&
- test -f conftest.$ac_objext && AC_TRY_EVAL(ac_try);
- then
- # cc works too.
- :
- else
- # cc exists but doesn't like -o.
- eval ac_cv_prog_cc_${ac_cc}_c_o=no
- fi
- fi
- fi
-else
- eval ac_cv_prog_cc_${ac_cc}_c_o=no
-fi
-rm -f conftest*
-])dnl
-if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = yes"; then
- AC_MSG_RESULT([yes])
-else
- AC_MSG_RESULT([no])
- AC_DEFINE(NO_MINUS_C_MINUS_O, 1,
- [Define if your C compiler doesn't accept -c and -o together.])
-fi
-])# AC_PROG_CC_C_O
-
-
-# ---------------------- #
-# 3c. The C++ compiler. #
-# ---------------------- #
-
-
-# AC_LANG_PREPROC(C++)
-# ---------------------
-# Find the C++ preprocessor. Must be AC_DEFUN'd to be AC_REQUIRE'able.
-AC_DEFUN([AC_LANG_PREPROC(C++)],
-[AC_REQUIRE([AC_PROG_CXXCPP])])
-
-
-# AC_PROG_CXXCPP
-# --------------
-# Find a working C++ preprocessor.
-# We shouldn't have to require AC_PROG_CC, but this is due to the concurrency
-# between the AC_LANG_COMPILER_REQUIRE family and that of AC_PROG_CXX.
-AC_DEFUN([AC_PROG_CXXCPP],
-[AC_REQUIRE([AC_PROG_CXX])dnl
-AC_ARG_VAR([CXXCPP], [C++ preprocessor])dnl
-_AC_ARG_VAR_CPPFLAGS()dnl
-AC_LANG_PUSH(C++)dnl
-AC_MSG_CHECKING([how to run the C++ preprocessor])
-if test -z "$CXXCPP"; then
- AC_CACHE_VAL(ac_cv_prog_CXXCPP,
- [dnl
- # Double quotes because CXXCPP needs to be expanded
- for CXXCPP in "$CXX -E" "/lib/cpp"
- do
- _AC_PROG_PREPROC_WORKS_IFELSE([break])
- done
- ac_cv_prog_CXXCPP=$CXXCPP
- ])dnl
- CXXCPP=$ac_cv_prog_CXXCPP
-else
- ac_cv_prog_CXXCPP=$CXXCPP
-fi
-AC_MSG_RESULT([$CXXCPP])
-_AC_PROG_PREPROC_WORKS_IFELSE([],
- [AC_MSG_ERROR([C++ preprocessor "$CXXCPP" fails sanity check])])
-AC_SUBST(CXXCPP)dnl
-AC_LANG_POP(C++)dnl
-])# AC_PROG_CXXCPP
-
-
-# AC_LANG_COMPILER(C++)
-# ---------------------
-# Find the C++ compiler. Must be AC_DEFUN'd to be AC_REQUIRE'able.
-AC_DEFUN([AC_LANG_COMPILER(C++)],
-[AC_REQUIRE([AC_PROG_CXX])])
-
-
-# ac_cv_prog_gxx
-# --------------
-# We used to name the cache variable this way.
-AU_DEFUN([ac_cv_prog_gxx],
-[ac_cv_cxx_compiler_gnu])
-
-
-# AC_PROG_CXX([LIST-OF-COMPILERS])
-# --------------------------------
-# LIST-OF-COMPILERS is a space separated list of C++ compilers to search
-# for (if not specified, a default list is used). This just gives the
-# user an opportunity to specify an alternative search list for the C++
-# compiler.
-# aCC HP-UX C++ compiler much better than `CC', so test before.
-# FCC Fujitsu C++ compiler
-# KCC KAI C++ compiler
-# RCC Rational C++
-# xlC_r AIX C Set++ (with support for reentrant code)
-# xlC AIX C Set++
-AC_DEFUN([AC_PROG_CXX],
-[AC_LANG_PUSH(C++)dnl
-AC_ARG_VAR([CXX], [C++ compiler command])dnl
-AC_ARG_VAR([CXXFLAGS], [C++ compiler flags])dnl
-_AC_ARG_VAR_LDFLAGS()dnl
-_AC_ARG_VAR_CPPFLAGS()dnl
-AC_CHECK_TOOLS(CXX,
- [$CCC m4_default([$1],
- [g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC])],
- g++)
-
-# Provide some information about the compiler.
-echo "$as_me:__oline__:" \
- "checking for _AC_LANG compiler version" >&AS_MESSAGE_LOG_FD
-ac_compiler=`set X $ac_compile; echo $[2]`
-_AC_EVAL([$ac_compiler --version </dev/null >&AS_MESSAGE_LOG_FD])
-_AC_EVAL([$ac_compiler -v </dev/null >&AS_MESSAGE_LOG_FD])
-_AC_EVAL([$ac_compiler -V </dev/null >&AS_MESSAGE_LOG_FD])
-
-m4_expand_once([_AC_COMPILER_EXEEXT])[]dnl
-m4_expand_once([_AC_COMPILER_OBJEXT])[]dnl
-_AC_LANG_COMPILER_GNU
-GXX=`test $ac_compiler_gnu = yes && echo yes`
-_AC_PROG_CXX_G
-_AC_PROG_CXX_EXIT_DECLARATION
-AC_LANG_POP(C++)dnl
-])# AC_PROG_CXX
-
-
-# _AC_PROG_CXX_G
-# --------------
-# Check whether -g works, even if CXXFLAGS is set, in case the package
-# plays around with CXXFLAGS (such as to build both debugging and
-# normal versions of a library), tasteless as that idea is.
-m4_define([_AC_PROG_CXX_G],
-[ac_test_CXXFLAGS=${CXXFLAGS+set}
-ac_save_CXXFLAGS=$CXXFLAGS
-CXXFLAGS="-g"
-AC_CACHE_CHECK(whether $CXX accepts -g, ac_cv_prog_cxx_g,
- [_AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
- [ac_cv_prog_cxx_g=yes],
- [ac_cv_prog_cxx_g=no])])
-if test "$ac_test_CXXFLAGS" = set; then
- CXXFLAGS=$ac_save_CXXFLAGS
-elif test $ac_cv_prog_cxx_g = yes; then
- if test "$GXX" = yes; then
- CXXFLAGS="-g -O2"
- else
- CXXFLAGS="-g"
- fi
-else
- if test "$GXX" = yes; then
- CXXFLAGS="-O2"
- else
- CXXFLAGS=
- fi
-fi[]dnl
-])# _AC_PROG_CXX_G
-
-
-# _AC_PROG_CXX_EXIT_DECLARATION
-# -----------------------------
-# Find a valid prototype for exit and declare it in confdefs.h.
-m4_define([_AC_PROG_CXX_EXIT_DECLARATION],
-[for ac_declaration in \
- ''\
- '#include <stdlib.h>' \
- 'extern "C" void std::exit (int) throw (); using std::exit;' \
- 'extern "C" void std::exit (int); using std::exit;' \
- 'extern "C" void exit (int) throw ();' \
- 'extern "C" void exit (int);' \
- 'void exit (int);'
-do
- _AC_COMPILE_IFELSE([AC_LANG_PROGRAM([@%:@include <stdlib.h>
-$ac_declaration],
- [exit (42);])],
- [],
- [continue])
- _AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$ac_declaration],
- [exit (42);])],
- [break])
-done
-rm -f conftest*
-if test -n "$ac_declaration"; then
- echo '#ifdef __cplusplus' >>confdefs.h
- echo $ac_declaration >>confdefs.h
- echo '#endif' >>confdefs.h
-fi
-])# _AC_PROG_CXX_EXIT_DECLARATION
-
-
-# ----------------------------- #
-# 3d. The Fortran 77 compiler. #
-# ----------------------------- #
-
-
-# AC_LANG_PREPROC(Fortran 77)
-# ---------------------------
-# Find the Fortran 77 preprocessor. Must be AC_DEFUN'd to be AC_REQUIRE'able.
-AC_DEFUN([AC_LANG_PREPROC(Fortran 77)],
-[m4_warn([syntax],
- [$0: No preprocessor defined for ]_AC_LANG)])
-
-
-# AC_LANG_COMPILER(Fortran 77)
-# ----------------------------
-# Find the Fortran 77 compiler. Must be AC_DEFUN'd to be
-# AC_REQUIRE'able.
-AC_DEFUN([AC_LANG_COMPILER(Fortran 77)],
-[AC_REQUIRE([AC_PROG_F77])])
-
-
-# ac_cv_prog_g77
-# --------------
-# We used to name the cache variable this way.
-AU_DEFUN([ac_cv_prog_g77],
-[ac_cv_f77_compiler_gnu])
-
-
-# AC_PROG_F77([COMPILERS...])
-# ---------------------------
-# COMPILERS is a space separated list of Fortran 77 compilers to search
-# for.
-# Fortran 95 isn't strictly backwards-compatiable with Fortran 77, but
-# `f95' is worth trying.
-#
-# Compilers are ordered by
-# 1. F77, F90, F95
-# 2. Good/tested native compilers, bad/untested native compilers
-# 3. Wrappers around f2c go last.
-#
-# `fort77' and `fc' are wrappers around `f2c', `fort77' being better.
-# It is believed that under HP-UX `fort77' is the name of the native
-# compiler. On some Cray systems, fort77 is a native compiler.
-# cf77 and cft77 are (older) Cray F77 compilers.
-# frt is the Fujitsu F77 compiler.
-# pgf77 and pgf90 are the Portland Group F77 and F90 compilers.
-# xlf/xlf90/xlf95 are IBM (AIX) F77/F90/F95 compilers.
-# lf95 is the Lahey-Fujitsu compiler.
-# fl32 is the Microsoft Fortran "PowerStation" compiler.
-# af77 is the Apogee F77 compiler for Intergraph hardware running CLIX.
-# epcf90 is the "Edinburgh Portable Compiler" F90.
-# fort is the Compaq Fortran 90 (now 95) compiler for Tru64 and Linux/Alpha.
-AC_DEFUN([AC_PROG_F77],
-[AC_LANG_PUSH(Fortran 77)dnl
-AC_ARG_VAR([F77], [Fortran 77 compiler command])dnl
-AC_ARG_VAR([FFLAGS], [Fortran 77 compiler flags])dnl
-_AC_ARG_VAR_LDFLAGS()dnl
-AC_CHECK_TOOLS(F77,
- [m4_default([$1],
- [g77 f77 xlf cf77 cft77 frt pgf77 fl32 af77 fort77 f90 xlf90 pgf90 epcf90 f95 fort xlf95 lf95 g95 fc])])
-
-# Provide some information about the compiler.
-echo "$as_me:__oline__:" \
- "checking for _AC_LANG compiler version" >&AS_MESSAGE_LOG_FD
-ac_compiler=`set X $ac_compile; echo $[2]`
-_AC_EVAL([$ac_compiler --version </dev/null >&AS_MESSAGE_LOG_FD])
-_AC_EVAL([$ac_compiler -v </dev/null >&AS_MESSAGE_LOG_FD])
-_AC_EVAL([$ac_compiler -V </dev/null >&AS_MESSAGE_LOG_FD])
-
-m4_expand_once([_AC_COMPILER_EXEEXT])[]dnl
-m4_expand_once([_AC_COMPILER_OBJEXT])[]dnl
-# If we don't use `.F' as extension, the preprocessor is not run on the
-# input file.
-ac_save_ext=$ac_ext
-ac_ext=F
-_AC_LANG_COMPILER_GNU
-ac_ext=$ac_save_ext
-G77=`test $ac_compiler_gnu = yes && echo yes`
-_AC_PROG_F77_G
-AC_LANG_POP(Fortran 77)dnl
-])# AC_PROG_F77
-
-
-# _AC_PROG_F77_G
-# --------------
-# Check whether -g works, even if FFLAGS is set, in case the package
-# plays around with FFLAGS (such as to build both debugging and normal
-# versions of a library), tasteless as that idea is.
-m4_define([_AC_PROG_F77_G],
-[ac_test_FFLAGS=${FFLAGS+set}
-ac_save_FFLAGS=$FFLAGS
-FFLAGS=
-AC_CACHE_CHECK(whether $F77 accepts -g, ac_cv_prog_f77_g,
-[FFLAGS=-g
-_AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
-[ac_cv_prog_f77_g=yes],
-[ac_cv_prog_f77_g=no])
-])
-if test "$ac_test_FFLAGS" = set; then
- FFLAGS=$ac_save_FFLAGS
-elif test $ac_cv_prog_f77_g = yes; then
- if test "$G77" = yes; then
- FFLAGS="-g -O2"
- else
- FFLAGS="-g"
- fi
-else
- if test "$G77" = yes; then
- FFLAGS="-O2"
- else
- FFLAGS=
- fi
-fi[]dnl
-])# _AC_PROG_F77_G
-
-
-# AC_PROG_F77_C_O
-# ---------------
-# Test if the Fortran 77 compiler accepts the options `-c' and `-o'
-# simultaneously, and define `F77_NO_MINUS_C_MINUS_O' if it does not.
-#
-# The usefulness of this macro is questionable, as I can't really see
-# why anyone would use it. The only reason I include it is for
-# completeness, since a similar test exists for the C compiler.
-AC_DEFUN([AC_PROG_F77_C_O],
-[AC_REQUIRE([AC_PROG_F77])dnl
-AC_CACHE_CHECK([whether $F77 understand -c and -o together],
- [ac_cv_prog_f77_c_o],
-[AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
-# We test twice because some compilers refuse to overwrite an existing
-# `.o' file with `-o', although they will create one.
-ac_try='$F77 $FFLAGS -c conftest.$ac_ext -o conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
-if AC_TRY_EVAL(ac_try) &&
- test -f conftest.$ac_objext &&
- AC_TRY_EVAL(ac_try); then
- ac_cv_prog_f77_c_o=yes
-else
- ac_cv_prog_f77_c_o=no
-fi
-rm -f conftest*])
-if test $ac_cv_prog_f77_c_o = no; then
- AC_DEFINE(F77_NO_MINUS_C_MINUS_O, 1,
- [Define if your Fortran 77 compiler doesn't accept -c and -o together.])
-fi
-])# AC_PROG_F77_C_O
-
-
-
-
-
-## ------------------------------- ##
-## 4. Compilers' characteristics. ##
-## ------------------------------- ##
-
-
-# -------------------------------- #
-# 4b. C compiler characteristics. #
-# -------------------------------- #
-
-# AC_PROG_CC_STDC
-# ---------------
-# If the C compiler in not in ANSI C mode by default, try to add an
-# option to output variable @code{CC} to make it so. This macro tries
-# various options that select ANSI C on some system or another. It
-# considers the compiler to be in ANSI C mode if it handles function
-# prototypes correctly.
-AC_DEFUN([AC_PROG_CC_STDC],
-[AC_REQUIRE([AC_PROG_CC])dnl
-AC_BEFORE([$0], [AC_C_INLINE])dnl
-AC_BEFORE([$0], [AC_C_CONST])dnl
-dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require
-dnl a magic option to avoid problems with ANSI preprocessor commands
-dnl like #elif.
-dnl FIXME: can't do this because then AC_AIX won't work due to a
-dnl circular dependency.
-dnl AC_BEFORE([$0], [AC_PROG_CPP])
-AC_MSG_CHECKING([for $CC option to accept ANSI C])
-AC_CACHE_VAL(ac_cv_prog_cc_stdc,
-[ac_cv_prog_cc_stdc=no
-ac_save_CC=$CC
-AC_LANG_CONFTEST([AC_LANG_PROGRAM(
-[[#include <stdarg.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
-struct buf { int x; };
-FILE * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
- char **p;
- int i;
-{
- return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
- char *s;
- va_list v;
- va_start (v,p);
- s = g (p, va_arg (v,int));
- va_end (v);
- return s;
-}
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
-int argc;
-char **argv;]],
-[[return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];]])])
-# Don't try gcc -ansi; that turns off useful extensions and
-# breaks some systems' header files.
-# AIX -qlanglvl=ansi
-# Ultrix and OSF/1 -std1
-# HP-UX 10.20 and later -Ae
-# HP-UX older versions -Aa -D_HPUX_SOURCE
-# SVR4 -Xc -D__EXTENSIONS__
-for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
-do
- CC="$ac_save_CC $ac_arg"
- AC_COMPILE_IFELSE([],
- [ac_cv_prog_cc_stdc=$ac_arg
-break])
-done
-rm -f conftest.$ac_ext conftest.$ac_objext
-CC=$ac_save_CC
-])
-case "x$ac_cv_prog_cc_stdc" in
- x|xno)
- AC_MSG_RESULT([none needed]) ;;
- *)
- AC_MSG_RESULT([$ac_cv_prog_cc_stdc])
- CC="$CC $ac_cv_prog_cc_stdc" ;;
-esac
-])# AC_PROG_CC_STDC
-
-
-# AC_C_CROSS
-# ----------
-# Has been merged into AC_PROG_CC.
-AU_DEFUN([AC_C_CROSS], [])
-
-
-# AC_C_CHAR_UNSIGNED
-# ------------------
-AC_DEFUN([AC_C_CHAR_UNSIGNED],
-[AH_VERBATIM([__CHAR_UNSIGNED__],
-[/* Define if type `char' is unsigned and you are not using gcc. */
-#ifndef __CHAR_UNSIGNED__
-# undef __CHAR_UNSIGNED__
-#endif])dnl
-AC_CACHE_CHECK(whether char is unsigned, ac_cv_c_char_unsigned,
-[AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT([])],
- [((char) -1) < 0])],
- ac_cv_c_char_unsigned=no, ac_cv_c_char_unsigned=yes)])
-if test $ac_cv_c_char_unsigned = yes && test "$GCC" != yes; then
- AC_DEFINE(__CHAR_UNSIGNED__)
-fi
-])# AC_C_CHAR_UNSIGNED
-
-
-# AC_C_LONG_DOUBLE
-# ----------------
-AC_DEFUN([AC_C_LONG_DOUBLE],
-[AC_CACHE_CHECK(for long double, ac_cv_c_long_double,
-[if test "$GCC" = yes; then
- ac_cv_c_long_double=yes
-else
-AC_TRY_RUN(
-[int
-main ()
-{
- /* The Stardent Vistra knows sizeof(long double), but does not
- support it. */
- long double foo = 0.0;
- /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
- exit (sizeof (long double) < sizeof (double));
-}],
-ac_cv_c_long_double=yes, ac_cv_c_long_double=no)
-fi])
-if test $ac_cv_c_long_double = yes; then
- AC_DEFINE(HAVE_LONG_DOUBLE, 1,
- [Define if the `long double' type works.])
-fi
-])# AC_C_LONG_DOUBLE
-
-
-# AC_C_BIGENDIAN
-# --------------
-AC_DEFUN([AC_C_BIGENDIAN],
-[AC_CACHE_CHECK(whether byte ordering is bigendian, ac_cv_c_bigendian,
-[ac_cv_c_bigendian=unknown
-# See if sys/param.h defines the BYTE_ORDER macro.
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
-#include <sys/param.h>
-],
-[#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
- bogus endian macros
-#endif
-])],
-[# It does; now see whether it defined to BIG_ENDIAN or not.
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
-#include <sys/param.h>
-], [#if BYTE_ORDER != BIG_ENDIAN
- not big endian
-#endif
-])], [ac_cv_c_bigendian=yes],
- [ac_cv_c_bigendian=no])])
-if test $ac_cv_c_bigendian = unknown; then
-AC_TRY_RUN(
-[int
-main ()
-{
- /* Are we little or big endian? From Harbison&Steele. */
- union
- {
- long l;
- char c[sizeof (long)];
- } u;
- u.l = 1;
- exit (u.c[sizeof (long) - 1] == 1);
-}], ac_cv_c_bigendian=no, ac_cv_c_bigendian=yes)
-fi])
-if test $ac_cv_c_bigendian = yes; then
- AC_DEFINE(WORDS_BIGENDIAN, 1,
- [Define if your processor stores words with the most significant
- byte first (like Motorola and SPARC, unlike Intel and VAX).])
-fi
-])# AC_C_BIGENDIAN
-
-
-# AC_C_INLINE
-# -----------
-# Do nothing if the compiler accepts the inline keyword.
-# Otherwise define inline to __inline__ or __inline if one of those work,
-# otherwise define inline to be empty.
-AC_DEFUN([AC_C_INLINE],
-[AC_REQUIRE([AC_PROG_CC_STDC])dnl
-AC_CACHE_CHECK([for inline], ac_cv_c_inline,
-[ac_cv_c_inline=no
-for ac_kw in inline __inline__ __inline; do
- AC_COMPILE_IFELSE([AC_LANG_SOURCE(
-[#ifndef __cplusplus
-static $ac_kw int static_foo () {return 0; }
-$ac_kw int foo () {return 0; }
-#endif
-])],
- [ac_cv_c_inline=$ac_kw; break])
-done
-])
-case $ac_cv_c_inline in
- inline | yes) ;;
- no) AC_DEFINE(inline,,
- [Define as `__inline' if that's what the C compiler calls it,
- or to nothing if it is not supported.]) ;;
- *) AC_DEFINE_UNQUOTED(inline, $ac_cv_c_inline) ;;
-esac
-])# AC_C_INLINE
-
-
-# AC_C_CONST
-# ----------
-AC_DEFUN([AC_C_CONST],
-[AC_REQUIRE([AC_PROG_CC_STDC])dnl
-AC_CACHE_CHECK([for an ANSI C-conforming const], ac_cv_c_const,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
-[[/* FIXME: Include the comments suggested by Paul. */
-#ifndef __cplusplus
- /* Ultrix mips cc rejects this. */
- typedef int charset[2];
- const charset x;
- /* SunOS 4.1.1 cc rejects this. */
- char const *const *ccp;
- char **p;
- /* NEC SVR4.0.2 mips cc rejects this. */
- struct point {int x, y;};
- static struct point const zero = {0,0};
- /* AIX XL C 1.02.0.0 rejects this.
- It does not let you subtract one const X* pointer from another in
- an arm of an if-expression whose if-part is not a constant
- expression */
- const char *g = "string";
- ccp = &g + (g ? g-g : 0);
- /* HPUX 7.0 cc rejects these. */
- ++ccp;
- p = (char**) ccp;
- ccp = (char const *const *) p;
- { /* SCO 3.2v4 cc rejects this. */
- char *t;
- char const *s = 0 ? (char *) 0 : (char const *) 0;
-
- *t++ = 0;
- }
- { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */
- int x[] = {25, 17};
- const int *foo = &x[0];
- ++foo;
- }
- { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
- typedef const int *iptr;
- iptr p = 0;
- ++p;
- }
- { /* AIX XL C 1.02.0.0 rejects this saying
- "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
- struct s { int j; const int *ap[3]; };
- struct s *b; b->j = 5;
- }
- { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
- const int foo = 10;
- }
-#endif
-]])],
- [ac_cv_c_const=yes],
- [ac_cv_c_const=no])])
-if test $ac_cv_c_const = no; then
- AC_DEFINE(const,,
- [Define to empty if `const' does not conform to ANSI C.])
-fi
-])# AC_C_CONST
-
-
-# AC_C_VOLATILE
-# -------------
-# Note that, unlike const, #defining volatile to be the empty string can
-# actually turn a correct program into an incorrect one, since removing
-# uses of volatile actually grants the compiler permission to perform
-# optimizations that could break the user's code. So, do not #define
-# volatile away unless it is really necessary to allow the user's code
-# to compile cleanly. Benign compiler failures should be tolerated.
-AC_DEFUN([AC_C_VOLATILE],
-[AC_REQUIRE([AC_PROG_CC_STDC])dnl
-AC_CACHE_CHECK([for working volatile], ac_cv_c_volatile,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
-volatile int x;
-int * volatile y;])],
- [ac_cv_c_volatile=yes],
- [ac_cv_c_volatile=no])])
-if test $ac_cv_c_volatile = no; then
- AC_DEFINE(volatile,,
- [Define to empty if the keyword `volatile' does not work.
- Warning: valid code using `volatile' can become incorrect
- without. Disable with care.])
-fi
-])# AC_C_VOLATILE
-
-
-# AC_C_STRINGIZE
-# --------------
-# Checks if `#' can be used to glue strings together at the CPP level.
-# Defines HAVE_STRINGIZE if positive.
-AC_DEFUN([AC_C_STRINGIZE],
-[AC_CACHE_CHECK([for preprocessor stringizing operator],
- [ac_cv_c_stringize],
-[AC_EGREP_CPP([@%:@teststring],
- [@%:@define x(y) #y
-
-char *s = x(teststring);],
- [ac_cv_c_stringize=no],
- [ac_cv_c_stringize=yes])])
-if test $ac_cv_c_stringize = yes; then
- AC_DEFINE(HAVE_STRINGIZE, 1,
- [Define if cpp supports the ANSI @%:@ stringizing operator.])
-fi
-])# AC_C_STRINGIZE
-
-
-# AC_C_PROTOTYPES
-# ---------------
-# Check if the C compiler supports prototypes, included if it needs
-# options.
-AC_DEFUN([AC_C_PROTOTYPES],
-[AC_REQUIRE([AC_PROG_CC_STDC])dnl
-AC_MSG_CHECKING([for function prototypes])
-if test "$ac_cv_prog_cc_stdc" != no; then
- AC_MSG_RESULT([yes])
- AC_DEFINE(PROTOTYPES, 1,
- [Define if the C compiler supports function prototypes.])
-else
- AC_MSG_RESULT([no])
-fi
-])# AC_C_PROTOTYPES
-
-
-
-
-# ---------------------------------------- #
-# 4d. Fortan 77 compiler characteristics. #
-# ---------------------------------------- #
-
-
-# _AC_PROG_F77_V_OUTPUT([FLAG = $ac_cv_prog_f77_v])
-# -------------------------------------------------
-# Link a trivial Fortran program, compiling with a verbose output FLAG
-# (which default value, $ac_cv_prog_f77_v, is computed by
-# _AC_PROG_F77_V), and return the output in $ac_f77_v_output. This
-# output is processed in the way expected by AC_F77_LIBRARY_LDFLAGS,
-# so that any link flags that are echoed by the compiler appear as
-# space-separated items.
-AC_DEFUN([_AC_PROG_F77_V_OUTPUT],
-[AC_REQUIRE([AC_PROG_F77])dnl
-AC_LANG_PUSH(Fortran 77)dnl
-
-AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
-
-# Compile and link our simple test program by passing a flag (argument
-# 1 to this macro) to the Fortran 77 compiler in order to get
-# "verbose" output that we can then parse for the Fortran 77 linker
-# flags.
-ac_save_FFLAGS=$FFLAGS
-FFLAGS="$FFLAGS m4_default([$1], [$ac_cv_prog_f77_v])"
-(eval echo $as_me:__oline__: \"$ac_link\") >&AS_MESSAGE_LOG_FD
-ac_f77_v_output=`eval $ac_link AS_MESSAGE_LOG_FD>&1 2>&1 | grep -v 'Driving:'`
-echo "$ac_f77_v_output" >&AS_MESSAGE_LOG_FD
-FFLAGS=$ac_save_FFLAGS
-
-rm -f conftest*
-AC_LANG_POP(Fortran 77)dnl
-
-# If we are using xlf then replace all the commas with spaces.
-if echo $ac_f77_v_output | grep xlfentry >/dev/null 2>&1; then
- ac_f77_v_output=`echo $ac_f77_v_output | sed 's/,/ /g'`
-fi
-
-# If we are using Cray Fortran then delete quotes.
-# Use "\"" instead of '"' for font-lock-mode.
-# FIXME: a more general fix for quoted arguments with spaces?
-if echo $ac_f77_v_output | grep cft90 >/dev/null 2>&1; then
- ac_f77_v_output=`echo $ac_f77_v_output | sed "s/\"//g"`
-fi[]dnl
-])# _AC_PROG_F77_V_OUTPUT
-
-
-# _AC_PROG_F77_V
-# --------------
-#
-# Determine the flag that causes the Fortran 77 compiler to print
-# information of library and object files (normally -v)
-# Needed for AC_F77_LIBRARY_FLAGS
-# Some compilers don't accept -v (Lahey: -verbose, xlf: -V, Fujitsu: -###)
-AC_DEFUN([_AC_PROG_F77_V],
-[AC_CACHE_CHECK([how to get verbose linking output from $F77],
- [ac_cv_prog_f77_v],
-[AC_LANG_ASSERT(Fortran 77)
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
-[ac_cv_prog_f77_v=
-# Try some options frequently used verbose output
-for ac_verb in -v -verbose --verbose -V -\#\#\#; do
- _AC_PROG_F77_V_OUTPUT($ac_verb)
- # look for -l* and *.a constructs in the output
- for ac_arg in $ac_f77_v_output; do
- case $ac_arg in
- [[\\/]]*.a | ?:[[\\/]]*.a | -[[lLRu]]*)
- ac_cv_prog_f77_v=$ac_verb
- break 2 ;;
- esac
- done
-done
-if test -z "$ac_cv_prog_f77_v"; then
- AC_MSG_WARN([cannot determine how to obtain linking information from $F77])
-fi],
- [AC_MSG_WARN([compilation failed])])
-])])# _AC_PROG_F77_V
-
-
-# AC_F77_LIBRARY_LDFLAGS
-# ----------------------
-#
-# Determine the linker flags (e.g. "-L" and "-l") for the Fortran 77
-# intrinsic and run-time libraries that are required to successfully
-# link a Fortran 77 program or shared library. The output variable
-# FLIBS is set to these flags.
-#
-# This macro is intended to be used in those situations when it is
-# necessary to mix, e.g. C++ and Fortran 77, source code into a single
-# program or shared library.
-#
-# For example, if object files from a C++ and Fortran 77 compiler must
-# be linked together, then the C++ compiler/linker must be used for
-# linking (since special C++-ish things need to happen at link time
-# like calling global constructors, instantiating templates, enabling
-# exception support, etc.).
-#
-# However, the Fortran 77 intrinsic and run-time libraries must be
-# linked in as well, but the C++ compiler/linker doesn't know how to
-# add these Fortran 77 libraries. Hence, the macro
-# "AC_F77_LIBRARY_LDFLAGS" was created to determine these Fortran 77
-# libraries.
-#
-# This macro was packaged in its current form by Matthew D. Langston.
-# However, nearly all of this macro came from the "OCTAVE_FLIBS" macro
-# in "octave-2.0.13/aclocal.m4", and full credit should go to John
-# W. Eaton for writing this extremely useful macro. Thank you John.
-AC_DEFUN([AC_F77_LIBRARY_LDFLAGS],
-[AC_LANG_PUSH(Fortran 77)dnl
-_AC_PROG_F77_V
-AC_CACHE_CHECK([for Fortran 77 libraries], ac_cv_flibs,
-[if test "x$FLIBS" != "x"; then
- ac_cv_flibs="$FLIBS" # Let the user override the test.
-else
-
-_AC_PROG_F77_V_OUTPUT
-
-ac_cv_flibs=
-
-# Save positional arguments (if any)
-ac_save_positional="$[@]"
-
-set X $ac_f77_v_output
-while test $[@%:@] != 1; do
- shift
- ac_arg=$[1]
- case $ac_arg in
- [[\\/]]*.a | ?:[[\\/]]*.a)
- AC_LIST_MEMBER_OF($ac_arg, $ac_cv_flibs, ,
- ac_cv_flibs="$ac_cv_flibs $ac_arg")
- ;;
- -bI:*)
- AC_LIST_MEMBER_OF($ac_arg, $ac_cv_flibs, ,
- [AC_LINKER_OPTION([$ac_arg], ac_cv_flibs)])
- ;;
- # Ignore these flags.
- -lang* | -lcrt0.o | -lc | -lgcc | -libmil | -LANG:=*)
- ;;
- -lkernel32)
- test x"$CYGWIN" != xyes && ac_cv_flibs="$ac_cv_flibs $ac_arg"
- ;;
- -[[LRuY]])
- # These flags, when seen by themselves, take an argument.
- # We remove the space between option and argument and re-iterate
- # unless we find an empty arg or a new option (starting with -)
- case $[2] in
- "" | -*);;
- *)
- ac_arg="$ac_arg$[2]"
- shift; shift
- set X $ac_arg "$[@]"
- ;;
- esac
- ;;
- -YP,*)
- for ac_j in `echo $ac_arg | sed -e 's/-YP,/-L/;s/:/ -L/g'`; do
- AC_LIST_MEMBER_OF($ac_j, $ac_cv_flibs, ,
- [ac_arg="$ac_arg $ac_j"
- ac_cv_flibs="$ac_cv_flibs $ac_j"])
- done
- ;;
- -[[lLR]]*)
- AC_LIST_MEMBER_OF($ac_arg, $ac_cv_flibs, ,
- ac_cv_flibs="$ac_cv_flibs $ac_arg")
- ;;
- # Ignore everything else.
- esac
-done
-# restore positional arguments
-set X $ac_save_positional; shift
-
-# We only consider "LD_RUN_PATH" on Solaris systems. If this is seen,
-# then we insist that the "run path" must be an absolute path (i.e. it
-# must begin with a "/").
-case `(uname -sr) 2>/dev/null` in
- "SunOS 5"*)
- ac_ld_run_path=`echo $ac_f77_v_output |
- sed -n 's,^.*LD_RUN_PATH *= *\(/[[^ ]]*\).*$,-R\1,p'`
- test "x$ac_ld_run_path" != x &&
- AC_LINKER_OPTION([$ac_ld_run_path], ac_cv_flibs)
- ;;
-esac
-fi # test "x$FLIBS" = "x"
-])
-FLIBS="$ac_cv_flibs"
-AC_SUBST(FLIBS)
-AC_LANG_POP(Fortran 77)dnl
-])# AC_F77_LIBRARY_LDFLAGS
-
-
-# AC_F77_DUMMY_MAIN([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# -----------------------------------------------------------
-#
-# Detect name of dummy main routine required by the Fortran libraries,
-# (if any) and define F77_DUMMY_MAIN to this name (which should be
-# used for a dummy declaration, if it is defined). On some systems,
-# linking a C program to the Fortran library does not work unless you
-# supply a dummy function called something like MAIN__.
-#
-# Execute ACTION-IF-NOT-FOUND if no way of successfully linking a C
-# program with the F77 libs is found; default to exiting with an error
-# message. Execute ACTION-IF-FOUND if a dummy routine name is needed
-# and found or if it is not needed (default to defining F77_DUMMY_MAIN
-# when needed).
-#
-# What is technically happening is that the Fortran libraries provide
-# their own main() function, which usually initializes Fortran I/O and
-# similar stuff, and then calls MAIN__, which is the entry point of
-# your program. Usually, a C program will override this with its own
-# main() routine, but the linker sometimes complain if you don't
-# provide a dummy (never-called) MAIN__ routine anyway.
-#
-# Of course, programs that want to allow Fortran subroutines to do
-# I/O, etcetera, should call their main routine MAIN__() (or whatever)
-# instead of main(). A separate autoconf test (AC_F77_MAIN) checks
-# for the routine to use in this case (since the semantics of the test
-# are slightly different). To link to e.g. purely numerical
-# libraries, this is normally not necessary, however, and most C/C++
-# programs are reluctant to turn over so much control to Fortran. =)
-#
-# The name variants we check for are (in order):
-# MAIN__ (g77, MAIN__ required on some systems; IRIX, MAIN__ optional)
-# MAIN_, __main (SunOS)
-# MAIN _MAIN __MAIN main_ main__ _main (we follow DDD and try these too)
-AC_DEFUN([AC_F77_DUMMY_MAIN],
-[AC_REQUIRE([AC_F77_LIBRARY_LDFLAGS])dnl
-m4_define([_AC_LANG_PROGRAM_C_F77_HOOKS],
-[#ifdef F77_DUMMY_MAIN
-# ifdef __cplusplus
- extern "C"
-# endif
- int F77_DUMMY_MAIN() { return 1; }
-#endif
-])
-AC_CACHE_CHECK([for dummy main to link with Fortran 77 libraries],
- ac_cv_f77_dummy_main,
-[AC_LANG_PUSH(C)dnl
- ac_f77_dm_save_LIBS=$LIBS
- LIBS="$LIBS $FLIBS"
-
- # First, try linking without a dummy main:
- AC_TRY_LINK([], [],
- ac_cv_f77_dummy_main=none,
- ac_cv_f77_dummy_main=unknown)
-
- if test $ac_cv_f77_dummy_main = unknown; then
- for ac_func in MAIN__ MAIN_ __main MAIN _MAIN __MAIN main_ main__ _main; do
- AC_TRY_LINK([@%:@define F77_DUMMY_MAIN $ac_func],
- [], [ac_cv_f77_dummy_main=$ac_func; break])
- done
- fi
- rm -f conftest*
- LIBS=$ac_f77_dm_save_LIBS
- AC_LANG_POP(C)dnl
-])
-F77_DUMMY_MAIN=$ac_cv_f77_dummy_main
-AS_IF([test "$F77_DUMMY_MAIN" != unknown],
- [m4_default([$1],
-[if test $F77_DUMMY_MAIN != none; then
- AC_DEFINE_UNQUOTED([F77_DUMMY_MAIN], $F77_DUMMY_MAIN,
- [Define to dummy `main' function (if any) required to
- link to the Fortran 77 libraries.])
-fi])],
- [m4_default([$2],
- [AC_MSG_ERROR([Linking to Fortran libraries from C fails.])])])
-])# AC_F77_DUMMY_MAIN
-
-
-# AC_F77_MAIN
-# -----------
-# Define F77_MAIN to name of alternate main() function for use with
-# the Fortran libraries. (Typically, the libraries may define their
-# own main() to initialize I/O, etcetera, that then call your own
-# routine called MAIN__ or whatever.) See AC_F77_DUMMY_MAIN, above.
-# If no such alternate name is found, just define F77_MAIN to main.
-#
-AC_DEFUN([AC_F77_MAIN],
-[AC_REQUIRE([AC_F77_LIBRARY_LDFLAGS])dnl
-AC_CACHE_CHECK([for alternate main to link with Fortran 77 libraries],
- ac_cv_f77_main,
-[AC_LANG_PUSH(C)dnl
- ac_f77_m_save_LIBS=$LIBS
- LIBS="$LIBS $FLIBS"
- ac_cv_f77_main="main" # default entry point name
-
- for ac_func in MAIN__ MAIN_ __main MAIN _MAIN __MAIN main_ main__ _main; do
- AC_TRY_LINK([#undef F77_DUMMY_MAIN
-@%:@define main $ac_func], [], [ac_cv_f77_main=$ac_func; break])
- done
- rm -f conftest*
- LIBS=$ac_f77_m_save_LIBS
- AC_LANG_POP(C)dnl
-])
-AC_DEFINE_UNQUOTED([F77_MAIN], $ac_cv_f77_main,
- [Define to alternate name for `main' routine that is
- called from a `main' in the Fortran libraries.])
-])# AC_F77_MAIN
-
-
-# _AC_F77_NAME_MANGLING
-# ---------------------
-# Test for the name mangling scheme used by the Fortran 77 compiler.
-#
-# Sets ac_cv_f77_mangling. The value contains three fields, separated
-# by commas:
-#
-# lower case / upper case:
-# case translation of the Fortan 77 symbols
-# underscore / no underscore:
-# whether the compiler appends "_" to symbol names
-# extra underscore / no extra underscore:
-# whether the compiler appends an extra "_" to symbol names already
-# containing at least one underscore
-#
-AC_DEFUN([_AC_F77_NAME_MANGLING],
-[AC_REQUIRE([AC_F77_LIBRARY_LDFLAGS])dnl
-AC_REQUIRE([AC_F77_DUMMY_MAIN])dnl
-AC_CACHE_CHECK([for Fortran 77 name-mangling scheme],
- ac_cv_f77_mangling,
-[AC_LANG_PUSH(Fortran 77)dnl
-AC_COMPILE_IFELSE(
-[ subroutine foobar()
- return
- end
- subroutine foo_bar()
- return
- end],
-[mv conftest.$ac_objext cf77_test.$ac_objext
-
- AC_LANG_PUSH(C)dnl
-
- ac_save_LIBS=$LIBS
- LIBS="cf77_test.$ac_objext $LIBS $FLIBS"
-
- ac_success=no
- for ac_foobar in foobar FOOBAR; do
- for ac_underscore in "" "_"; do
- ac_func="$ac_foobar$ac_underscore"
- AC_TRY_LINK_FUNC($ac_func,
- [ac_success=yes; break 2])
- done
- done
-
- if test "$ac_success" = "yes"; then
- case $ac_foobar in
- foobar)
- ac_case=lower
- ac_foo_bar=foo_bar
- ;;
- FOOBAR)
- ac_case=upper
- ac_foo_bar=FOO_BAR
- ;;
- esac
-
- ac_success_extra=no
- for ac_extra in "" "_"; do
- ac_func="$ac_foo_bar$ac_underscore$ac_extra"
- AC_TRY_LINK_FUNC($ac_func,
- [ac_success_extra=yes; break])
- done
-
- if test "$ac_success_extra" = "yes"; then
- ac_cv_f77_mangling="$ac_case case"
- if test -z "$ac_underscore"; then
- ac_cv_f77_mangling="$ac_cv_f77_mangling, no underscore"
- else
- ac_cv_f77_mangling="$ac_cv_f77_mangling, underscore"
- fi
- if test -z "$ac_extra"; then
- ac_cv_f77_mangling="$ac_cv_f77_mangling, no extra underscore"
- else
- ac_cv_f77_mangling="$ac_cv_f77_mangling, extra underscore"
- fi
- else
- ac_cv_f77_mangling="unknown"
- fi
- else
- ac_cv_f77_mangling="unknown"
- fi
-
- LIBS=$ac_save_LIBS
- AC_LANG_POP(C)dnl
- rm -f cf77_test* conftest*])
-AC_LANG_POP(Fortran 77)dnl
-])
-])# _AC_F77_NAME_MANGLING
-
-# The replacement is empty.
-AU_DEFUN([AC_F77_NAME_MANGLING], [])
-
-
-# AC_F77_WRAPPERS
-# ---------------
-# Defines C macros F77_FUNC(name,NAME) and F77_FUNC_(name,NAME) to
-# properly mangle the names of C identifiers, and C identifiers with
-# underscores, respectively, so that they match the name mangling
-# scheme used by the Fortran 77 compiler.
-AC_DEFUN([AC_F77_WRAPPERS],
-[AC_REQUIRE([_AC_F77_NAME_MANGLING])dnl
-AH_TEMPLATE([F77_FUNC],
- [Define to a macro mangling the given C identifier (in lower and upper
- case), which must not contain underscores, for linking with Fortran.])dnl
-AH_TEMPLATE([F77_FUNC_],
- [As F77_FUNC, but for C identifiers containing underscores.])dnl
-case $ac_cv_f77_mangling in
- "lower case, no underscore, no extra underscore")
- AC_DEFINE([F77_FUNC(name,NAME)], [name])
- AC_DEFINE([F77_FUNC_(name,NAME)], [name]) ;;
- "lower case, no underscore, extra underscore")
- AC_DEFINE([F77_FUNC(name,NAME)], [name])
- AC_DEFINE([F77_FUNC_(name,NAME)], [name ## _]) ;;
- "lower case, underscore, no extra underscore")
- AC_DEFINE([F77_FUNC(name,NAME)], [name ## _])
- AC_DEFINE([F77_FUNC_(name,NAME)], [name ## _]) ;;
- "lower case, underscore, extra underscore")
- AC_DEFINE([F77_FUNC(name,NAME)], [name ## _])
- AC_DEFINE([F77_FUNC_(name,NAME)], [name ## __]) ;;
- "upper case, no underscore, no extra underscore")
- AC_DEFINE([F77_FUNC(name,NAME)], [NAME])
- AC_DEFINE([F77_FUNC_(name,NAME)], [NAME]) ;;
- "upper case, no underscore, extra underscore")
- AC_DEFINE([F77_FUNC(name,NAME)], [NAME])
- AC_DEFINE([F77_FUNC_(name,NAME)], [NAME ## _]) ;;
- "upper case, underscore, no extra underscore")
- AC_DEFINE([F77_FUNC(name,NAME)], [NAME ## _])
- AC_DEFINE([F77_FUNC_(name,NAME)], [NAME ## _]) ;;
- "upper case, underscore, extra underscore")
- AC_DEFINE([F77_FUNC(name,NAME)], [NAME ## _])
- AC_DEFINE([F77_FUNC_(name,NAME)], [NAME ## __]) ;;
- *)
- AC_MSG_WARN([unknown Fortran 77 name-mangling scheme])
- ;;
-esac
-])# AC_F77_WRAPPERS
-
-
-# AC_F77_FUNC(NAME, [SHELLVAR = NAME])
-# ------------------------------------
-# For a Fortran subroutine of given NAME, define a shell variable
-# $SHELLVAR to the Fortran-77 mangled name. If the SHELLVAR
-# argument is not supplied, it defaults to NAME.
-AC_DEFUN([AC_F77_FUNC],
-[AC_REQUIRE([_AC_F77_NAME_MANGLING])dnl
-case $ac_cv_f77_mangling in
- upper*) ac_val="m4_toupper([$1])" ;;
- lower*) ac_val="m4_tolower([$1])" ;;
- *) ac_val="unknown" ;;
-esac
-case $ac_cv_f77_mangling in *," underscore"*) ac_val="$ac_val"_ ;; esac
-m4_if(m4_index([$1],[_]),-1,[],
-[case $ac_cv_f77_mangling in *," extra underscore"*) ac_val="$ac_val"_ ;; esac
-])
-m4_default([$2],[$1])="$ac_val"
-])# AC_F77_FUNC
+++ /dev/null
-# aclibraries -- autoscan's mapping from libraries to Autoconf macros
-# Copyright 2001
-# Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-
-# Ones that have their own macros.
-
-# Others, checked with AC_CHECK_LIB.
-
-# Local Variables:
-# mode: shell-script
-# End:
+++ /dev/null
-# acmakevars -- autoscan's mapping from Make variables to Autoconf macros
-# Copyright 1992, 1993, 1994, 1996, 1999, 2000, 2001
-# Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-
-LN AC_PROG_LN_S
-AWK AC_PROG_AWK
-CC AC_PROG_CC
-CPP AC_PROG_CPP
-CXX AC_PROG_CXX
-INSTALL AC_PROG_INSTALL
-LEX AC_PROG_LEX
-RANLIB AC_PROG_RANLIB
-YACC AC_PROG_YACC
-BISON AC_PROG_YACC
-MAKE AC_PROG_MAKE_SET
-
-# Local Variables:
-# mode: shell-script
-# End:
+++ /dev/null
-# This file is part of Autoconf. -*- Autoconf -*-
-# Support old macros, and provide automated updates.
-# Copyright 1994, 1999, 2000, 2001 Free Software Foundation, Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-#
-# Originally written by David J. MacKenzie.
-
-
-## ---------------------------- ##
-## General macros of autoconf. ##
-## ---------------------------- ##
-
-AU_ALIAS([AC_WARN], [AC_MSG_WARN])
-AU_ALIAS([AC_ERROR], [AC_MSG_ERROR])
-AU_ALIAS([AC_HAVE_HEADERS], [AC_CHECK_HEADERS])
-AU_ALIAS([AC_HEADER_CHECK], [AC_CHECK_HEADER])
-AU_ALIAS([AC_HEADER_EGREP], [AC_EGREP_HEADER])
-AU_ALIAS([AC_PREFIX], [AC_PREFIX_PROGRAM])
-AU_ALIAS([AC_PROGRAMS_CHECK], [AC_CHECK_PROGS])
-AU_ALIAS([AC_PROGRAMS_PATH], [AC_PATH_PROGS])
-AU_ALIAS([AC_PROGRAM_CHECK], [AC_CHECK_PROG])
-AU_ALIAS([AC_PROGRAM_EGREP], [AC_EGREP_CPP])
-AU_ALIAS([AC_PROGRAM_PATH], [AC_PATH_PROG])
-AU_ALIAS([AC_SIZEOF_TYPE], [AC_CHECK_SIZEOF])
-AU_ALIAS([AC_TEST_CPP], [AC_TRY_CPP])
-AU_ALIAS([AC_TEST_PROGRAM], [AC_TRY_RUN])
-
-
-
-## ----------------------------- ##
-## Specific macros of autoconf. ##
-## ----------------------------- ##
-
-AU_ALIAS([AC_CHAR_UNSIGNED], [AC_C_CHAR_UNSIGNED])
-AU_ALIAS([AC_CONST], [AC_C_CONST])
-AU_ALIAS([AC_CROSS_CHECK], [AC_C_CROSS])
-AU_ALIAS([AC_FIND_X], [AC_PATH_X])
-AU_ALIAS([AC_FIND_XTRA], [AC_PATH_XTRA])
-AU_ALIAS([AC_GCC_TRADITIONAL], [AC_PROG_GCC_TRADITIONAL])
-AU_ALIAS([AC_GETGROUPS_T], [AC_TYPE_GETGROUPS])
-AU_ALIAS([AC_INLINE], [AC_C_INLINE])
-AU_ALIAS([AC_LN_S], [AC_PROG_LN_S])
-AU_ALIAS([AC_LONG_DOUBLE], [AC_C_LONG_DOUBLE])
-AU_ALIAS([AC_LONG_FILE_NAMES], [AC_SYS_LONG_FILE_NAMES])
-AU_ALIAS([AC_MAJOR_HEADER], [AC_HEADER_MAJOR])
-AU_ALIAS([AC_MINUS_C_MINUS_O], [AC_PROG_CC_C_O])
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-AU_ALIAS([AC_OFF_T], [AC_TYPE_OFF_T])
-AU_ALIAS([AC_PID_T], [AC_TYPE_PID_T])
-AU_ALIAS([AC_RESTARTABLE_SYSCALLS], [AC_SYS_RESTARTABLE_SYSCALLS])
-AU_ALIAS([AC_RETSIGTYPE], [AC_TYPE_SIGNAL])
-AU_ALIAS([AC_SET_MAKE], [AC_PROG_MAKE_SET])
-AU_ALIAS([AC_SIZE_T], [AC_TYPE_SIZE_T])
-AU_ALIAS([AC_STAT_MACROS_BROKEN], [AC_HEADER_STAT])
-AU_ALIAS([AC_STDC_HEADERS], [AC_HEADER_STDC])
-AU_ALIAS([AC_ST_BLKSIZE], [AC_STRUCT_ST_BLKSIZE])
-AU_ALIAS([AC_ST_BLOCKS], [AC_STRUCT_ST_BLOCKS])
-AU_ALIAS([AC_ST_RDEV], [AC_STRUCT_ST_RDEV])
-AU_ALIAS([AC_SYS_SIGLIST_DECLARED], [AC_DECL_SYS_SIGLIST])
-AU_ALIAS([AC_TIMEZONE], [AC_STRUCT_TIMEZONE])
-AU_ALIAS([AC_TIME_WITH_SYS_TIME], [AC_HEADER_TIME])
-AU_ALIAS([AC_UID_T], [AC_TYPE_UID_T])
-AU_ALIAS([AC_WORDS_BIGENDIAN], [AC_C_BIGENDIAN])
-AU_ALIAS([AC_YYTEXT_POINTER], [AC_DECL_YYTEXT])
-AU_ALIAS([AM_CYGWIN32], [AC_CYGWIN32])
-AU_ALIAS([AC_CYGWIN32], [AC_CYGWIN])
-AU_ALIAS([AM_EXEEXT], [AC_EXEEXT])
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-# AU_ALIAS([AM_PROG_LIBTOOL], [AC_PROG_LIBTOOL])
-AU_ALIAS([AM_MINGW32], [AC_MINGW32])
-AU_ALIAS([AM_PROG_INSTALL], [AC_PROG_INSTALL])
+++ /dev/null
-# acprograms -- autoscan's mapping from programs to Autoconf macros
-# Copyright 1992, 1993, 1994, 1996, 1999, 2000, 2001
-# Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-
-ln AC_PROG_LN_S
-awk AC_PROG_AWK
-nawk AC_PROG_AWK
-gawk AC_PROG_AWK
-mawk AC_PROG_AWK
-cc AC_PROG_CC
-gcc AC_PROG_CC
-cpp AC_PROG_CPP
-CC AC_PROG_CXX
-c++ AC_PROG_CXX
-g++ AC_PROG_CXX
-install AC_PROG_INSTALL
-lex AC_PROG_LEX
-flex AC_PROG_LEX
-ranlib AC_PROG_RANLIB
-yacc AC_PROG_YACC
-byacc AC_PROG_YACC
-bison AC_PROG_YACC
-make AC_PROG_MAKE_SET
-
-# Local Variables:
-# mode: shell-script
-# End:
+++ /dev/null
-# This file is part of Autoconf. -*- Autoconf -*-
-# Macros that test for specific features.
-# Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
-# Free Software Foundation, Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-#
-# As a special exception, the Free Software Foundation gives unlimited
-# permission to copy, distribute and modify the configure scripts that
-# are the output of Autoconf. You need not follow the terms of the GNU
-# General Public License when using or distributing such scripts, even
-# though portions of the text of Autoconf appear in them. The GNU
-# General Public License (GPL) does govern all other use of the material
-# that constitutes the Autoconf program.
-#
-# Certain portions of the Autoconf source text are designed to be copied
-# (in certain cases, depending on the input) into the output of
-# Autoconf. We call these the "data" portions. The rest of the Autoconf
-# source text consists of comments plus executable code that decides which
-# of the data portions to output in any given case. We call these
-# comments and executable code the "non-data" portions. Autoconf never
-# copies any of the non-data portions into its output.
-#
-# This special exception to the GPL applies to versions of Autoconf
-# released by the Free Software Foundation. When you make and
-# distribute a modified version of Autoconf, you may extend this special
-# exception to the GPL to apply to your modified version as well, *unless*
-# your modified version has the potential to copy into its output some
-# of the text that was the non-data portion of the version that you started
-# with. (In other words, unless your change moves or copies text from
-# the non-data portions to the data portions.) If your modification has
-# such potential, you must delete any notice of this special exception
-# to the GPL from your modified version.
-#
-# Written by David MacKenzie, with help from
-# Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
-# Roland McGrath, Noah Friedman, david d zuhn, and many others.
-
-
-## --------------------- ##
-## Checks for programs. ##
-## --------------------- ##
-
-
-# _AC_PROG_ECHO
-# -------------
-# Check whether to use -n, \c, or newline-tab to separate
-# checking messages from result messages.
-# Don't try to cache, since the results of this macro are needed to
-# display the checking message. In addition, caching something used once
-# has little interest.
-# Idea borrowed from dist 3.0. Use `*c*,', not `*c,' because if `\c'
-# failed there is also a new-line to match.
-m4_define([_AC_PROG_ECHO],
-[case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
- *c*,-n*) ECHO_N= ECHO_C='
-' ECHO_T=' ' ;;
- *c*,* ) ECHO_N=-n ECHO_C= ECHO_T= ;;
- *) ECHO_N= ECHO_C='\c' ECHO_T= ;;
-esac
-AC_SUBST(ECHO_C)dnl
-AC_SUBST(ECHO_N)dnl
-AC_SUBST(ECHO_T)dnl
-])# _AC_PROG_ECHO
-
-
-# AC_PROG_MAKE_SET
-# ----------------
-# Define SET_MAKE to set ${MAKE} if make doesn't.
-AC_DEFUN([AC_PROG_MAKE_SET],
-[AC_MSG_CHECKING([whether ${MAKE-make} sets \${MAKE}])
-set dummy ${MAKE-make}; ac_make=`echo "$[2]" | sed 'y,./+-,__p_,'`
-AC_CACHE_VAL(ac_cv_prog_make_${ac_make}_set,
-[cat >conftest.make <<\EOF
-all:
- @echo 'ac_maketemp="${MAKE}"'
-EOF
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-eval `${MAKE-make} -f conftest.make 2>/dev/null | grep temp=`
-if test -n "$ac_maketemp"; then
- eval ac_cv_prog_make_${ac_make}_set=yes
-else
- eval ac_cv_prog_make_${ac_make}_set=no
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-rm -f conftest.make])dnl
-if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then
- AC_MSG_RESULT([yes])
- SET_MAKE=
-else
- AC_MSG_RESULT([no])
- SET_MAKE="MAKE=${MAKE-make}"
-fi
-AC_SUBST([SET_MAKE])dnl
-])# AC_PROG_MAKE_SET
-
-
-# AC_PROG_RANLIB
-# --------------
-AC_DEFUN([AC_PROG_RANLIB],
-[AC_CHECK_TOOL(RANLIB, ranlib, :)])
-
-
-# Check for mawk first since it's generally faster.
-AC_DEFUN([AC_PROG_AWK],
-[AC_CHECK_PROGS(AWK, mawk gawk nawk awk, )])
-
-
-# AC_PROG_YACC
-# ------------
-AC_DEFUN([AC_PROG_YACC],
-[AC_CHECK_PROGS(YACC, 'bison -y' byacc, yacc)])
-
-
-# AC_PROG_LEX
-# -----------
-# Look for flex or lex. Set its associated library to LEXLIB.
-# Check if lex declares yytext as a char * by default, not a char[].
-AC_DEFUN_ONCE([AC_PROG_LEX],
-[AC_CHECK_PROGS(LEX, flex lex, :)
-if test -z "$LEXLIB"
-then
- AC_CHECK_LIB(fl, yywrap, LEXLIB="-lfl",
- [AC_CHECK_LIB(l, yywrap, LEXLIB="-ll")])
-fi
-AC_SUBST(LEXLIB)
-if test "x$LEX" != "x:"; then
- _AC_DECL_YYTEXT
-fi])
-
-
-# _AC_DECL_YYTEXT
-# ---------------
-# Check if lex declares yytext as a char * by default, not a char[].
-m4_define([_AC_DECL_YYTEXT],
-[AC_CACHE_CHECK(lex output file root, ac_cv_prog_lex_root,
-[# The minimal lex program is just a single line: %%. But some broken lexes
-# (Solaris, I think it was) want two %% lines, so accommodate them.
-echo '%%
-%%' | $LEX
-if test -f lex.yy.c; then
- ac_cv_prog_lex_root=lex.yy
-elif test -f lexyy.c; then
- ac_cv_prog_lex_root=lexyy
-else
- AC_MSG_ERROR([cannot find output from $LEX; giving up])
-fi])
-LEX_OUTPUT_ROOT=$ac_cv_prog_lex_root
-AC_SUBST(LEX_OUTPUT_ROOT)dnl
-
-AC_CACHE_CHECK(whether yytext is a pointer, ac_cv_prog_lex_yytext_pointer,
-[# POSIX says lex can declare yytext either as a pointer or an array; the
-# default is implementation-dependent. Figure out which it is, since
-# not all implementations provide the %pointer and %array declarations.
-ac_cv_prog_lex_yytext_pointer=no
-echo 'extern char *yytext;' >>$LEX_OUTPUT_ROOT.c
-ac_save_LIBS=$LIBS
-LIBS="$LIBS $LEXLIB"
-AC_LINK_IFELSE([`cat $LEX_OUTPUT_ROOT.c`], ac_cv_prog_lex_yytext_pointer=yes)
-LIBS=$ac_save_LIBS
-rm -f "${LEX_OUTPUT_ROOT}.c"
-])
-dnl
-if test $ac_cv_prog_lex_yytext_pointer = yes; then
- AC_DEFINE(YYTEXT_POINTER, 1,
- [Define if `lex' declares `yytext' as a `char *' by default,
- not a `char[]'.])
-fi
-])# _AC_DECL_YYTEXT
-
-
-# Require AC_PROG_LEX in case some people were just calling this macro.
-AU_DEFUN([AC_DECL_YYTEXT],
-[AC_PROG_LEX])
-
-
-# AC_PROG_INSTALL
-# ---------------
-AC_DEFUN([AC_PROG_INSTALL],
-[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
-# Find a good install program. We prefer a C program (faster),
-# so one script is as good as another. But avoid the broken or
-# incompatible versions:
-# SysV /etc/install, /usr/sbin/install
-# SunOS /usr/etc/install
-# IRIX /sbin/install
-# AIX /bin/install
-# AmigaOS /C/install, which installs bootblocks on floppy discs
-# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
-# AFS /usr/afsws/bin/install, which mishandles nonexistent args
-# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
-# ./install, which can be erroneously created by make from ./install.sh.
-AC_MSG_CHECKING([for a BSD compatible install])
-if test -z "$INSTALL"; then
-AC_CACHE_VAL(ac_cv_path_install,
-[ ac_save_IFS=$IFS; IFS=$ac_path_separator
- for ac_dir in $PATH; do
- IFS=$ac_save_IFS
- # Account for people who put trailing slashes in PATH elements.
- case $ac_dir/ in
- / | ./ | .// | /[cC]/* \
- | /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* \
- | /usr/ucb/* ) ;;
- *)
- # OSF1 and SCO ODT 3.0 have their own names for install.
- # Don't use installbsd from OSF since it installs stuff as root
- # by default.
- for ac_prog in ginstall scoinst install; do
- if AS_EXECUTABLE_P(["$ac_dir/$ac_prog"]); then
- if test $ac_prog = install &&
- grep dspmsg "$ac_dir/$ac_prog" >/dev/null 2>&1; then
- # AIX install. It has an incompatible calling convention.
- :
- elif test $ac_prog = install &&
- grep pwplus "$ac_dir/$ac_prog" >/dev/null 2>&1; then
- # program-specific install script used by HP pwplus--don't use.
- :
- else
- ac_cv_path_install="$ac_dir/$ac_prog -c"
- break 2
- fi
- fi
- done
- ;;
- esac
- done
-])dnl
- if test "${ac_cv_path_install+set}" = set; then
- INSTALL=$ac_cv_path_install
- else
- # As a last resort, use the slow shell script. We don't cache a
- # path for INSTALL within a source directory, because that will
- # break other packages using the cache if that directory is
- # removed, or if the path is relative.
- INSTALL=$ac_install_sh
- fi
-fi
-dnl We do special magic for INSTALL instead of AC_SUBST, to get
-dnl relative paths right.
-AC_MSG_RESULT([$INSTALL])
-
-# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
-# It thinks the first close brace ends the variable substitution.
-test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
-AC_SUBST(INSTALL_PROGRAM)dnl
-
-test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
-AC_SUBST(INSTALL_SCRIPT)dnl
-
-test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
-AC_SUBST(INSTALL_DATA)dnl
-])# AC_PROG_INSTALL
-
-
-# AC_PROG_LN_S
-# ------------
-AC_DEFUN([AC_PROG_LN_S],
-[AC_MSG_CHECKING([whether ln -s works])
-AC_SUBST([LN_S], [$as_ln_s])dnl
-if test "$LN_S" = "ln -s"; then
- AC_MSG_RESULT([yes])
-else
- AC_MSG_RESULT([no, using $LN_S])
-fi
-])# AC_PROG_LN_S
-
-
-# AC_RSH
-# ------
-# I don't know what it used to do, but it no longer does.
-AU_DEFUN([AC_RSH],
-[AC_DIAGNOSE([obsolete], [$0: is no longer supported.
-Remove this warning when you adjust the code.])])
-
-
-
-## ------------------------- ##
-## Checks for declarations. ##
-## ------------------------- ##
-
-
-# AC_DECL_SYS_SIGLIST
-# -------------------
-AC_DEFUN([AC_DECL_SYS_SIGLIST],
-[AC_CACHE_CHECK([for sys_siglist declaration in signal.h or unistd.h],
- ac_cv_decl_sys_siglist,
-[AC_COMPILE_IFELSE(
-[AC_LANG_PROGRAM([#include <sys/types.h>
-#include <signal.h>
-/* NetBSD declares sys_siglist in unistd.h. */
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-], [char *msg = *(sys_siglist + 1);])],
- [ac_cv_decl_sys_siglist=yes],
- [ac_cv_decl_sys_siglist=no])])
-if test $ac_cv_decl_sys_siglist = yes; then
- AC_DEFINE(SYS_SIGLIST_DECLARED, 1,
- [Define if `sys_siglist' is declared by <signal.h> or <unistd.h>.])
-fi
-])# AC_DECL_SYS_SIGLIST
-
-
-
-
-## -------------------------------------- ##
-## Checks for operating system services. ##
-## -------------------------------------- ##
-
-
-# AC_SYS_INTERPRETER
-# ------------------
-AC_DEFUN([AC_SYS_INTERPRETER],
-[AC_CACHE_CHECK(whether @%:@! works in shell scripts, ac_cv_sys_interpreter,
-[echo '#! /bin/cat
-exit 69
-' >conftest
-chmod u+x conftest
-(SHELL=/bin/sh; export SHELL; ./conftest >/dev/null)
-if test $? -ne 69; then
- ac_cv_sys_interpreter=yes
-else
- ac_cv_sys_interpreter=no
-fi
-rm -f conftest])
-interpval=$ac_cv_sys_interpreter
-])
-
-
-AU_DEFUN([AC_HAVE_POUNDBANG],
-[AC_SYS_INTERPRETER
-AC_DIAGNOSE([obsolete],
-[$0: Remove this warning when you adjust your code to use
- `AC_SYS_INTERPRETER'.])])
-
-
-AU_DEFUN([AC_ARG_ARRAY],
-[AC_DIAGNOSE([obsolete],
-[$0: no longer implemented: don't do unportable things
-with arguments. Remove this warning when you adjust your code.])])
-
-
-# _AC_SYS_LARGEFILE_TEST_INCLUDES
-# -------------------------------
-m4_define([_AC_SYS_LARGEFILE_TEST_INCLUDES],
-[@%:@include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
- We can't simply define LARGE_OFF_T to be 9223372036854775807,
- since some C++ compilers masquerading as C compilers
- incorrectly reject 9223372036854775807. */
-@%:@define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
- int off_t_is_large[[(LARGE_OFF_T % 2147483629 == 721
- && LARGE_OFF_T % 2147483647 == 1)
- ? 1 : -1]];[]dnl
-])
-
-
-# _AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE,
-# CACHE-VAR,
-# DESCRIPTION,
-# [INCLUDES], [FUNCTION-BODY])
-# ----------------------------------------------------------
-m4_define([_AC_SYS_LARGEFILE_MACRO_VALUE],
-[AC_CACHE_CHECK([for $1 value needed for large files], [$3],
-[while :; do
- $3=no
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$5], [$6])],
- [break])
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([@%:@define $1 $2
-$5], [$6])],
- [$3=$2; break])
- break
-done])
-if test "$$3" != no; then
- AC_DEFINE_UNQUOTED([$1], [$$3], [$4])
-fi
-rm -f conftest*[]dnl
-])# _AC_SYS_LARGEFILE_MACRO_VALUE
-
-
-# AC_SYS_LARGEFILE
-# ----------------
-# By default, many hosts won't let programs access large files;
-# one must use special compiler options to get large-file access to work.
-# For more details about this brain damage please see:
-# http://www.sas.com/standards/large.file/x_open.20Mar96.html
-AC_DEFUN([AC_SYS_LARGEFILE],
-[AC_ARG_ENABLE(largefile,
- [ --disable-largefile omit support for large files])
-if test "$enable_largefile" != no; then
-
- AC_CACHE_CHECK([for special C compiler options needed for large files],
- ac_cv_sys_largefile_CC,
- [ac_cv_sys_largefile_CC=no
- if test "$GCC" != yes; then
- ac_save_CC=$CC
- while :; do
- # IRIX 6.2 and later do not support large files by default,
- # so use the C compiler's -n32 option if that helps.
- AC_LANG_CONFTEST([AC_LANG_PROGRAM([_AC_SYS_LARGEFILE_TEST_INCLUDES])])
- AC_COMPILE_IFELSE([], [break])
- CC="$CC -n32"
- AC_COMPILE_IFELSE([], [ac_cv_sys_largefile_CC=' -n32'; break])
- break
- done
- CC=$ac_save_CC
- rm -f conftest.$ac_ext
- fi])
- if test "$ac_cv_sys_largefile_CC" != no; then
- CC=$CC$ac_cv_sys_largefile_CC
- fi
-
- _AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64,
- ac_cv_sys_file_offset_bits,
- [Number of bits in a file offset, on hosts where this is settable.],
- [_AC_SYS_LARGEFILE_TEST_INCLUDES])
- _AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1,
- ac_cv_sys_large_files,
- [Define for large files, on AIX-style hosts.],
- [_AC_SYS_LARGEFILE_TEST_INCLUDES])
-fi
-])# AC_SYS_LARGEFILE
-
-
-# AC_SYS_LONG_FILE_NAMES
-# ----------------------
-# Security: use a temporary directory as the most portable way of
-# creating files in /tmp securely. Removing them leaves a race
-# condition, set -C is not portably guaranteed to use O_EXCL, so still
-# leaves a race, and not all systems have the `mktemp' utility. We
-# still test for existence first in case of broken systems where the
-# mkdir succeeds even when the directory exists. Broken systems may
-# retain a race, but they probably have other security problems
-# anyway; this should be secure on well-behaved systems. In any case,
-# use of `mktemp' is probably inappropriate here since it would fail in
-# attempting to create different file names differing after the 14th
-# character on file systems without long file names.
-AC_DEFUN([AC_SYS_LONG_FILE_NAMES],
-[AC_CACHE_CHECK(for long file names, ac_cv_sys_long_file_names,
-[ac_cv_sys_long_file_names=yes
-# Test for long file names in all the places we know might matter:
-# . the current directory, where building will happen
-# $prefix/lib where we will be installing things
-# $exec_prefix/lib likewise
-# eval it to expand exec_prefix.
-# $TMPDIR if set, where it might want to write temporary files
-# if $TMPDIR is not set:
-# /tmp where it might want to write temporary files
-# /var/tmp likewise
-# /usr/tmp likewise
-if test -n "$TMPDIR" && test -d "$TMPDIR" && test -w "$TMPDIR"; then
- ac_tmpdirs=$TMPDIR
-else
- ac_tmpdirs='/tmp /var/tmp /usr/tmp'
-fi
-for ac_dir in . $ac_tmpdirs `eval echo $prefix/lib $exec_prefix/lib` ; do
- test -d $ac_dir || continue
- test -w $ac_dir || continue # It is less confusing to not echo anything here.
- ac_xdir=$ac_dir/cf$$
- (umask 077 && mkdir $ac_xdir 2>/dev/null) || continue
- ac_tf1=$ac_xdir/conftest9012345
- ac_tf2=$ac_xdir/conftest9012346
- (echo 1 >$ac_tf1) 2>/dev/null
- (echo 2 >$ac_tf2) 2>/dev/null
- ac_val=`cat $ac_tf1 2>/dev/null`
- if test ! -f $ac_tf1 || test "$ac_val" != 1; then
- ac_cv_sys_long_file_names=no
- rm -rf $ac_xdir 2>/dev/null
- break
- fi
- rm -rf $ac_xdir 2>/dev/null
-done])
-if test $ac_cv_sys_long_file_names = yes; then
- AC_DEFINE(HAVE_LONG_FILE_NAMES, 1,
- [Define if you support file names longer than 14 characters.])
-fi
-])
-
-
-# AC_SYS_RESTARTABLE_SYSCALLS
-# ---------------------------
-# If the system automatically restarts a system call that is
-# interrupted by a signal, define `HAVE_RESTARTABLE_SYSCALLS'.
-AC_DEFUN([AC_SYS_RESTARTABLE_SYSCALLS],
-[AC_DIAGNOSE([obsolete],
-[$0: System call restartability is now typically set at runtime.
-Remove this `AC_SYS_RESTARTABLE_SYSCALLS'
-and adjust your code to use `sigaction' with `SA_RESTART' instead.])dnl
-AC_REQUIRE([AC_HEADER_SYS_WAIT])dnl
-AC_CHECK_HEADERS(unistd.h)
-AC_CACHE_CHECK(for restartable system calls, ac_cv_sys_restartable_syscalls,
-[AC_RUN_IFELSE([AC_LANG_SOURCE(
-[/* Exit 0 (true) if wait returns something other than -1,
- i.e. the pid of the child, which means that wait was restarted
- after getting the signal. */
-
-#include <sys/types.h>
-#include <signal.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#if HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
-
-/* Some platforms explicitly require an extern "C" signal handler
- when using C++. */
-#ifdef __cplusplus
-extern "C" void ucatch (int dummy) { }
-#else
-void ucatch (dummy) int dummy; { }
-#endif
-
-int
-main ()
-{
- int i = fork (), status;
-
- if (i == 0)
- {
- sleep (3);
- kill (getppid (), SIGINT);
- sleep (3);
- exit (0);
- }
-
- signal (SIGINT, ucatch);
-
- status = wait (&i);
- if (status == -1)
- wait (&i);
-
- exit (status == -1);
-}])],
- [ac_cv_sys_restartable_syscalls=yes],
- [ac_cv_sys_restartable_syscalls=no])])
-if test $ac_cv_sys_restartable_syscalls = yes; then
- AC_DEFINE(HAVE_RESTARTABLE_SYSCALLS, 1,
- [Define if system calls automatically restart after interruption
- by a signal.])
-fi
-])# AC_SYS_RESTARTABLE_SYSCALLS
-
-
-# AC_SYS_POSIX_TERMIOS
-# --------------------
-AC_DEFUN([AC_SYS_POSIX_TERMIOS],
-[AC_CACHE_CHECK([POSIX termios], ac_cv_sys_posix_termios,
-[AC_TRY_LINK([#include <sys/types.h>
-#include <unistd.h>
-@%:@include <termios.h>],
- [/* SunOS 4.0.3 has termios.h but not the library calls. */
- tcgetattr(0, 0);],
- ac_cv_sys_posix_termios=yes,
- ac_cv_sys_posix_termios=no)])
-])# AC_SYS_POSIX_TERMIOS
-
-
-
-## --------------------- ##
-## Checks for X window. ##
-## --------------------- ##
-
-
-# _AC_PATH_X_XMKMF
-# ----------------
-# Internal subroutine of _AC_PATH_X.
-# Set ac_x_includes and/or ac_x_libraries.
-m4_define([_AC_PATH_X_XMKMF],
-[rm -fr conftest.dir
-if mkdir conftest.dir; then
- cd conftest.dir
- # Make sure to not put "make" in the Imakefile rules, since we grep it out.
- cat >Imakefile <<'EOF'
-acfindx:
- @echo 'ac_im_incroot="${INCROOT}"; ac_im_usrlibdir="${USRLIBDIR}"; ac_im_libdir="${LIBDIR}"'
-EOF
- if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
- # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
- eval `${MAKE-make} acfindx 2>/dev/null | grep -v make`
- # Open Windows xmkmf reportedly sets LIBDIR instead of USRLIBDIR.
- for ac_extension in a so sl; do
- if test ! -f $ac_im_usrlibdir/libX11.$ac_extension &&
- test -f $ac_im_libdir/libX11.$ac_extension; then
- ac_im_usrlibdir=$ac_im_libdir; break
- fi
- done
- # Screen out bogus values from the imake configuration. They are
- # bogus both because they are the default anyway, and because
- # using them would break gcc on systems where it needs fixed includes.
- case $ac_im_incroot in
- /usr/include) ;;
- *) test -f "$ac_im_incroot/X11/Xos.h" && ac_x_includes=$ac_im_incroot;;
- esac
- case $ac_im_usrlibdir in
- /usr/lib | /lib) ;;
- *) test -d "$ac_im_usrlibdir" && ac_x_libraries=$ac_im_usrlibdir ;;
- esac
- fi
- cd ..
- rm -fr conftest.dir
-fi
-])# _AC_PATH_X_XMKMF
-
-
-# _AC_PATH_X_DIRECT
-# -----------------
-# Internal subroutine of _AC_PATH_X.
-# Set ac_x_includes and/or ac_x_libraries.
-m4_define([_AC_PATH_X_DIRECT],
-[# Standard set of common directories for X headers.
-# Check X11 before X11Rn because it is often a symlink to the current release.
-ac_x_header_dirs='
-/usr/X11/include
-/usr/X11R6/include
-/usr/X11R5/include
-/usr/X11R4/include
-
-/usr/include/X11
-/usr/include/X11R6
-/usr/include/X11R5
-/usr/include/X11R4
-
-/usr/local/X11/include
-/usr/local/X11R6/include
-/usr/local/X11R5/include
-/usr/local/X11R4/include
-
-/usr/local/include/X11
-/usr/local/include/X11R6
-/usr/local/include/X11R5
-/usr/local/include/X11R4
-
-/usr/X386/include
-/usr/x386/include
-/usr/XFree86/include/X11
-
-/usr/include
-/usr/local/include
-/usr/unsupported/include
-/usr/athena/include
-/usr/local/x11r5/include
-/usr/lpp/Xamples/include
-
-/usr/openwin/include
-/usr/openwin/share/include'
-
-if test "$ac_x_includes" = no; then
- # Guess where to find include files, by looking for Intrinsic.h.
- # First, try using that file with no special directory specified.
- AC_PREPROC_IFELSE([AC_LANG_SOURCE([@%:@include <X11/Intrinsic.h>])],
-[# We can compile using X headers with no special include directory.
-ac_x_includes=],
-[for ac_dir in $ac_x_header_dirs; do
- if test -r "$ac_dir/X11/Intrinsic.h"; then
- ac_x_includes=$ac_dir
- break
- fi
-done])
-fi # $ac_x_includes = no
-
-if test "$ac_x_libraries" = no; then
- # Check for the libraries.
- # See if we find them without any special options.
- # Don't add to $LIBS permanently.
- ac_save_LIBS=$LIBS
- LIBS="-lXt $LIBS"
- AC_TRY_LINK([@%:@include <X11/Intrinsic.h>], [XtMalloc (0)],
-[LIBS=$ac_save_LIBS
-# We can link X programs with no special library path.
-ac_x_libraries=],
-[LIBS=$ac_save_LIBS
-for ac_dir in `echo "$ac_x_includes $ac_x_header_dirs" | sed s/include/lib/g`
-do
- # Don't even attempt the hair of trying to link an X program!
- for ac_extension in a so sl; do
- if test -r $ac_dir/libXt.$ac_extension; then
- ac_x_libraries=$ac_dir
- break 2
- fi
- done
-done])
-fi # $ac_x_libraries = no
-])# _AC_PATH_X_DIRECT
-
-
-# _AC_PATH_X
-# ----------
-# Compute ac_cv_have_x.
-AC_DEFUN([_AC_PATH_X],
-[AC_CACHE_VAL(ac_cv_have_x,
-[# One or both of the vars are not set, and there is no cached value.
-ac_x_includes=no ac_x_libraries=no
-_AC_PATH_X_XMKMF
-_AC_PATH_X_DIRECT
-if test "$ac_x_includes" = no || test "$ac_x_libraries" = no; then
- # Didn't find X anywhere. Cache the known absence of X.
- ac_cv_have_x="have_x=no"
-else
- # Record where we found X for the cache.
- ac_cv_have_x="have_x=yes \
- ac_x_includes=$ac_x_includes ac_x_libraries=$ac_x_libraries"
-fi])dnl
-])
-
-
-# AC_PATH_X
-# ---------
-# If we find X, set shell vars x_includes and x_libraries to the
-# paths, otherwise set no_x=yes.
-# Uses ac_ vars as temps to allow command line to override cache and checks.
-# --without-x overrides everything else, but does not touch the cache.
-AC_DEFUN([AC_PATH_X],
-[dnl Document the X abnormal options inherited from history.
-m4_divert_once([HELP_BEGIN], [
-X features:
- --x-includes=DIR X include files are in DIR
- --x-libraries=DIR X library files are in DIR])dnl
-AC_MSG_CHECKING([for X])
-
-AC_ARG_WITH(x, [ --with-x use the X Window System])
-# $have_x is `yes', `no', `disabled', or empty when we do not yet know.
-if test "x$with_x" = xno; then
- # The user explicitly disabled X.
- have_x=disabled
-else
- if test "x$x_includes" != xNONE && test "x$x_libraries" != xNONE; then
- # Both variables are already set.
- have_x=yes
- else
- _AC_PATH_X
- fi
- eval "$ac_cv_have_x"
-fi # $with_x != no
-
-if test "$have_x" != yes; then
- AC_MSG_RESULT([$have_x])
- no_x=yes
-else
- # If each of the values was on the command line, it overrides each guess.
- test "x$x_includes" = xNONE && x_includes=$ac_x_includes
- test "x$x_libraries" = xNONE && x_libraries=$ac_x_libraries
- # Update the cache value to reflect the command line values.
- ac_cv_have_x="have_x=yes \
- ac_x_includes=$x_includes ac_x_libraries=$x_libraries"
- AC_MSG_RESULT([libraries $x_libraries, headers $x_includes])
-fi
-])# AC_PATH_X
-
-
-
-# AC_PATH_XTRA
-# ------------
-# Find additional X libraries, magic flags, etc.
-AC_DEFUN([AC_PATH_XTRA],
-[AC_REQUIRE([AC_PATH_X])dnl
-if test "$no_x" = yes; then
- # Not all programs may use this symbol, but it does not hurt to define it.
- AC_DEFINE([X_DISPLAY_MISSING], 1,
- [Define if the X Window System is missing or not being used.])
- X_CFLAGS= X_PRE_LIBS= X_LIBS= X_EXTRA_LIBS=
-else
- if test -n "$x_includes"; then
- X_CFLAGS="$X_CFLAGS -I$x_includes"
- fi
-
- # It would also be nice to do this for all -L options, not just this one.
- if test -n "$x_libraries"; then
- X_LIBS="$X_LIBS -L$x_libraries"
-dnl FIXME: banish uname from this macro!
- # For Solaris; some versions of Sun CC require a space after -R and
- # others require no space. Words are not sufficient . . . .
- case `(uname -sr) 2>/dev/null` in
- "SunOS 5"*)
- AC_MSG_CHECKING([whether -R must be followed by a space])
- ac_xsave_LIBS=$LIBS; LIBS="$LIBS -R$x_libraries"
- AC_LINK_IFELSE([AC_LANG_PROGRAM()], ac_R_nospace=yes, ac_R_nospace=no)
- if test $ac_R_nospace = yes; then
- AC_MSG_RESULT([no])
- X_LIBS="$X_LIBS -R$x_libraries"
- else
- LIBS="$ac_xsave_LIBS -R $x_libraries"
- AC_LINK_IFELSE([AC_LANG_PROGRAM()], ac_R_space=yes, ac_R_space=no)
- if test $ac_R_space = yes; then
- AC_MSG_RESULT([yes])
- X_LIBS="$X_LIBS -R $x_libraries"
- else
- AC_MSG_RESULT([neither works])
- fi
- fi
- LIBS=$ac_xsave_LIBS
- esac
- fi
-
- # Check for system-dependent libraries X programs must link with.
- # Do this before checking for the system-independent R6 libraries
- # (-lICE), since we may need -lsocket or whatever for X linking.
-
- if test "$ISC" = yes; then
- X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl_s -linet"
- else
- # Martyn Johnson says this is needed for Ultrix, if the X
- # libraries were built with DECnet support. And Karl Berry says
- # the Alpha needs dnet_stub (dnet does not exist).
- ac_xsave_LIBS="$LIBS"; LIBS="$LIBS $X_LIBS -lX11"
- AC_TRY_LINK_FUNC(XOpenDisplay, ,
- [AC_CHECK_LIB(dnet, dnet_ntoa, [X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet"])
- if test $ac_cv_lib_dnet_dnet_ntoa = no; then
- AC_CHECK_LIB(dnet_stub, dnet_ntoa,
- [X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"])
- fi])
- LIBS="$ac_xsave_LIBS"
-
- # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
- # to get the SysV transport functions.
- # Chad R. Larson says the Pyramis MIS-ES running DC/OSx (SVR4)
- # needs -lnsl.
- # The nsl library prevents programs from opening the X display
- # on Irix 5.2, according to T.E. Dickey.
- # The functions gethostbyname, getservbyname, and inet_addr are
- # in -lbsd on LynxOS 3.0.1/i386, according to Lars Hecking.
- AC_CHECK_FUNC(gethostbyname)
- if test $ac_cv_func_gethostbyname = no; then
- AC_CHECK_LIB(nsl, gethostbyname, X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl")
- if test $ac_cv_lib_nsl_gethostbyname = no; then
- AC_CHECK_LIB(bsd, gethostbyname, X_EXTRA_LIBS="$X_EXTRA_LIBS -lbsd")
- fi
- fi
-
- # lieder@skyler.mavd.honeywell.com says without -lsocket,
- # socket/setsockopt and other routines are undefined under SCO ODT
- # 2.0. But -lsocket is broken on IRIX 5.2 (and is not necessary
- # on later versions), says Simon Leinen: it contains gethostby*
- # variants that don't use the nameserver (or something). -lsocket
- # must be given before -lnsl if both are needed. We assume that
- # if connect needs -lnsl, so does gethostbyname.
- AC_CHECK_FUNC(connect)
- if test $ac_cv_func_connect = no; then
- AC_CHECK_LIB(socket, connect, X_EXTRA_LIBS="-lsocket $X_EXTRA_LIBS", ,
- $X_EXTRA_LIBS)
- fi
-
- # Guillermo Gomez says -lposix is necessary on A/UX.
- AC_CHECK_FUNC(remove)
- if test $ac_cv_func_remove = no; then
- AC_CHECK_LIB(posix, remove, X_EXTRA_LIBS="$X_EXTRA_LIBS -lposix")
- fi
-
- # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
- AC_CHECK_FUNC(shmat)
- if test $ac_cv_func_shmat = no; then
- AC_CHECK_LIB(ipc, shmat, X_EXTRA_LIBS="$X_EXTRA_LIBS -lipc")
- fi
- fi
-
- # Check for libraries that X11R6 Xt/Xaw programs need.
- ac_save_LDFLAGS=$LDFLAGS
- test -n "$x_libraries" && LDFLAGS="$LDFLAGS -L$x_libraries"
- # SM needs ICE to (dynamically) link under SunOS 4.x (so we have to
- # check for ICE first), but we must link in the order -lSM -lICE or
- # we get undefined symbols. So assume we have SM if we have ICE.
- # These have to be linked with before -lX11, unlike the other
- # libraries we check for below, so use a different variable.
- # John Interrante, Karl Berry
- AC_CHECK_LIB(ICE, IceConnectionNumber,
- [X_PRE_LIBS="$X_PRE_LIBS -lSM -lICE"], , $X_EXTRA_LIBS)
- LDFLAGS=$ac_save_LDFLAGS
-
-fi
-AC_SUBST(X_CFLAGS)dnl
-AC_SUBST(X_PRE_LIBS)dnl
-AC_SUBST(X_LIBS)dnl
-AC_SUBST(X_EXTRA_LIBS)dnl
-])# AC_PATH_XTRA
-
-
-
-## ------------------------------------ ##
-## Checks for not-quite-Unix variants. ##
-## ------------------------------------ ##
-
-
-# AC_CYGWIN
-# ---------
-# Check for Cygwin. This is a way to set the right value for
-# EXEEXT.
-AU_DEFUN([AC_CYGWIN],
-[AC_REQUIRE([AC_CANONICAL_HOST])[]dnl
-AC_DIAGNOSE([obsolete],
- [$0 is obsolete: use AC_CANONICAL_HOST and $host_os])dnl
-case $host_os in
- *cygwin* ) CYGWIN=yes;;
- * ) CYGWIN=no;;
-esac
-])# AC_CYGWIN
-
-
-# AC_EMXOS2
-# ---------
-# Check for EMX on OS/2. This is another way to set the right value
-# for EXEEXT.
-AU_DEFUN([AC_EMXOS2],
-[AC_REQUIRE([AC_CANONICAL_HOST])[]dnl
-AC_DIAGNOSE([obsolete],
- [$0 is obsolete: use AC_CANONICAL_HOST and $host_os])dnl
-case $host_os in
- *emx* ) EMXOS2=yes;;
- * ) EMXOS2=no;;
-esac
-])# AC_EMXOS2
-
-
-# AC_MINGW32
-# ----------
-# Check for mingw32. This is another way to set the right value for
-# EXEEXT.
-AU_DEFUN([AC_MINGW32],
-[AC_REQUIRE([AC_CANONICAL_HOST])[]dnl
-AC_DIAGNOSE([obsolete],
- [$0 is obsolete: use AC_CANONICAL_HOST and $host_os])dnl
-case $host_os in
- *mingw32* ) MINGW32=yes;;
- * ) MINGW32=no;;
-esac
-])# AC_MINGW32
-
-
-
-
-## -------------------------- ##
-## Checks for UNIX variants. ##
-## -------------------------- ##
-
-
-# These are kludges which should be replaced by a single POSIX check.
-# They aren't cached, to discourage their use.
-
-# AC_AIX
-# ------
-AC_DEFUN([AC_AIX],
-[AH_VERBATIM([_ALL_SOURCE],
-[/* Define if on AIX 3.
- System headers sometimes define this.
- We just want to avoid a redefinition error message. */
-@%:@ifndef _ALL_SOURCE
-@%:@ undef _ALL_SOURCE
-@%:@endif])dnl
-AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
-AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
-AC_MSG_CHECKING([for AIX])
-AC_EGREP_CPP(yes,
-[#ifdef _AIX
- yes
-#endif
-],
-[AC_MSG_RESULT([yes])
-AC_DEFINE(_ALL_SOURCE)],
-[AC_MSG_RESULT([no])])
-])# AC_AIX
-
-
-# AC_MINIX
-# --------
-AC_DEFUN([AC_MINIX],
-[AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
-AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
-AC_CHECK_HEADER(minix/config.h, MINIX=yes, MINIX=)
-if test "$MINIX" = yes; then
- AC_DEFINE(_POSIX_SOURCE, 1,
- [Define if you need to in order for `stat' and other things to
- work.])
- AC_DEFINE(_POSIX_1_SOURCE, 2,
- [Define if the system does not provide POSIX.1 features except
- with this defined.])
- AC_DEFINE(_MINIX, 1,
- [Define if on MINIX.])
-fi
-])# AC_MINIX
-
-
-# AC_ISC_POSIX
-# ------------
-AC_DEFUN([AC_ISC_POSIX],
-[AC_REQUIRE([AC_PROG_CC])dnl
-AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
-AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
-AC_MSG_CHECKING([for POSIXized ISC])
-if test -d /etc/conf/kconfig.d &&
- grep _POSIX_VERSION [/usr/include/sys/unistd.h] >/dev/null 2>&1
-then
- AC_MSG_RESULT([yes])
- ISC=yes # If later tests want to check for ISC.
- AC_DEFINE(_POSIX_SOURCE, 1,
- [Define if you need to in order for stat and other things to
- work.])
- if test "$GCC" = yes; then
- CC="$CC -posix"
- else
- CC="$CC -Xp"
- fi
-else
- AC_MSG_RESULT([no])
- ISC=
-fi
-])# AC_ISC_POSIX
-
-
-# AC_XENIX_DIR
-# ------------
-AU_DEFUN(AC_XENIX_DIR,
-[# You shouldn't need to depend upon XENIX. Remove this test if useless.
-AC_MSG_CHECKING([for Xenix])
-AC_EGREP_CPP(yes,
-[#if defined(M_XENIX) && !defined(M_UNIX)
- yes
-@%:@endif],
- [AC_MSG_RESULT([yes]); XENIX=yes],
- [AC_MSG_RESULT([no]); XENIX=])
-
-AC_HEADER_DIRENT[]dnl
-])
-
-
-# AC_DYNIX_SEQ
-# ------------
-AU_DEFUN([AC_DYNIX_SEQ], [AC_FUNC_GETMNTENT])
-
-
-# AC_IRIX_SUN
-# -----------
-AU_DEFUN([AC_IRIX_SUN],
-[AC_FUNC_GETMNTENT
-AC_CHECK_LIB(sun, getpwnam)])
-
-
-# AC_SCO_INTL
-# -----------
-AU_DEFUN([AC_SCO_INTL], [AC_FUNC_STRFTIME])
+++ /dev/null
-# This file is part of Autoconf. -*- Autoconf -*-
-# Type related macros: existence, sizeof, and structure members.
-# Copyright 2000, 2001
-# Free Software Foundation, Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-#
-# As a special exception, the Free Software Foundation gives unlimited
-# permission to copy, distribute and modify the configure scripts that
-# are the output of Autoconf. You need not follow the terms of the GNU
-# General Public License when using or distributing such scripts, even
-# though portions of the text of Autoconf appear in them. The GNU
-# General Public License (GPL) does govern all other use of the material
-# that constitutes the Autoconf program.
-#
-# Certain portions of the Autoconf source text are designed to be copied
-# (in certain cases, depending on the input) into the output of
-# Autoconf. We call these the "data" portions. The rest of the Autoconf
-# source text consists of comments plus executable code that decides which
-# of the data portions to output in any given case. We call these
-# comments and executable code the "non-data" portions. Autoconf never
-# copies any of the non-data portions into its output.
-#
-# This special exception to the GPL applies to versions of Autoconf
-# released by the Free Software Foundation. When you make and
-# distribute a modified version of Autoconf, you may extend this special
-# exception to the GPL to apply to your modified version as well, *unless*
-# your modified version has the potential to copy into its output some
-# of the text that was the non-data portion of the version that you started
-# with. (In other words, unless your change moves or copies text from
-# the non-data portions to the data portions.) If your modification has
-# such potential, you must delete any notice of this special exception
-# to the GPL from your modified version.
-#
-# Written by David MacKenzie, with help from
-# Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
-# Roland McGrath, Noah Friedman, david d zuhn, and many others.
-
-
-## ---------------- ##
-## Type existence. ##
-## ---------------- ##
-
-# ---------------- #
-# General checks. #
-# ---------------- #
-
-# Up to 2.13 included, Autoconf used to provide the macro
-#
-# AC_CHECK_TYPE(TYPE, DEFAULT)
-#
-# Since, it provides another version which fits better with the other
-# AC_CHECK_ families:
-#
-# AC_CHECK_TYPE(TYPE,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-# [INCLUDES])
-#
-# In order to provide backward compatibility, the new scheme is
-# implemented as _AC_CHECK_TYPE_NEW, the old scheme as _AC_CHECK_TYPE_OLD,
-# and AC_CHECK_TYPE branches to one or the other, depending upon its
-# arguments.
-
-
-
-# _AC_CHECK_TYPE_NEW(TYPE,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-# [INCLUDES])
-# ------------------------------------------------------------
-# Check whether the type TYPE is supported by the system, maybe via the
-# the provided includes. This macro implements the former task of
-# AC_CHECK_TYPE, with one big difference though: AC_CHECK_TYPE was
-# grepping in the headers, which, BTW, led to many problems until
-# the egrep expression was correct and did not given false positives.
-# It turned out there are even portability issues with egrep...
-#
-# The most obvious way to check for a TYPE is just to compile a variable
-# definition:
-#
-# TYPE my_var;
-#
-# Unfortunately this does not work for const qualified types in C++,
-# where you need an initializer. So you think of
-#
-# TYPE my_var = (TYPE) 0;
-#
-# Unfortunately, again, this is not valid for some C++ classes.
-#
-# Then you look for another scheme. For instance you think of declaring
-# a function which uses a parameter of type TYPE:
-#
-# int foo (TYPE param);
-#
-# but of course you soon realize this does not make it with K&R
-# compilers. And by no ways you want to
-#
-# int foo (param)
-# TYPE param
-# { ; }
-#
-# since this time it's C++ who is not happy.
-#
-# Don't even think of the return type of a function, since K&R cries
-# there too. So you start thinking of declaring a *pointer* to this TYPE:
-#
-# TYPE *p;
-#
-# but you know fairly well that this is legal in C for aggregates which
-# are unknown (TYPE = struct does-not-exist).
-#
-# Then you think of using sizeof to make sure the TYPE is really
-# defined:
-#
-# sizeof (TYPE);
-#
-# But this succeeds if TYPE is a variable: you get the size of the
-# variable's type!!!
-#
-# This time you tell yourself the last two options *together* will make
-# it. And indeed this is the solution invented by Alexandre Oliva.
-#
-# Also note that we use
-#
-# if (sizeof (TYPE))
-#
-# to `read' sizeof (to avoid warnings), while not depending on its type
-# (not necessarily size_t etc.). Equally, instead of defining an unused
-# variable, we just use a cast to avoid warnings from the compiler.
-# Suggested by Paul Eggert.
-m4_define([_AC_CHECK_TYPE_NEW],
-[AS_VAR_PUSHDEF([ac_Type], [ac_cv_type_$1])dnl
-AC_CACHE_CHECK([for $1], ac_Type,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT([$4])],
-[if (($1 *) 0)
- return 0;
-if (sizeof ($1))
- return 0;])],
- [AS_VAR_SET(ac_Type, yes)],
- [AS_VAR_SET(ac_Type, no)])])
-AS_IF([test AS_VAR_GET(ac_Type) = yes], [$2], [$3])[]dnl
-AS_VAR_POPDEF([ac_Type])dnl
-])# _AC_CHECK_TYPE_NEW
-
-
-# AC_CHECK_TYPES(TYPES,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-# [INCLUDES])
-# --------------------------------------------------------
-# TYPES is an m4 list. There are no ambiguities here, we mean the newer
-# AC_CHECK_TYPE.
-AC_DEFUN([AC_CHECK_TYPES],
-[m4_foreach([AC_Type], [$1],
- [_AC_CHECK_TYPE_NEW(AC_Type,
- [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_[]AC_Type), 1,
- [Define if the system has the type
- `]AC_Type['.])
-$2],
- [$3],
- [$4])])])
-
-
-# _AC_CHECK_TYPE_OLD(TYPE, DEFAULT)
-# ---------------------------------
-# FIXME: This is an extremely badly chosen name, since this
-# macro actually performs an AC_REPLACE_TYPE. Some day we
-# have to clean this up.
-m4_define([_AC_CHECK_TYPE_OLD],
-[_AC_CHECK_TYPE_NEW([$1],,
- [AC_DEFINE_UNQUOTED([$1], [$2],
- [Define to `$2' if <sys/types.h> does not define.])])dnl
-])# _AC_CHECK_TYPE_OLD
-
-
-# _AC_CHECK_TYPE_REPLACEMENT_TYPE_P(STRING)
-# -----------------------------------------
-# Return `1' if STRING seems to be a builtin C/C++ type, i.e., if it
-# starts with `_Bool', `bool', `char', `double', `float', `int',
-# `long', `short', `signed', or `unsigned' followed by characters
-# that are defining types.
-# Because many people have used `off_t' and `size_t' too, they are added
-# for better common-useward backward compatibility.
-m4_define([_AC_CHECK_TYPE_REPLACEMENT_TYPE_P],
-[m4_if(m4_regexp([$1],
- [^\(_Bool\|bool\|char\|double\|float\|int\|long\|short\|\(un\)?signed\|[_a-zA-Z][_a-zA-Z0-9]*_t\)[][_a-zA-Z0-9() *]*$]),
- 0, 1, 0)dnl
-])# _AC_CHECK_TYPE_REPLACEMENT_TYPE_P
-
-
-# _AC_CHECK_TYPE_MAYBE_TYPE_P(STRING)
-# -----------------------------------
-# Return `1' if STRING looks like a C/C++ type.
-m4_define([_AC_CHECK_TYPE_MAYBE_TYPE_P],
-[m4_if(m4_regexp([$1], [^[_a-zA-Z0-9 ]+\([_a-zA-Z0-9() *]\|\[\|\]\)*$]),
- 0, 1, 0)dnl
-])# _AC_CHECK_TYPE_MAYBE_TYPE_P
-
-
-# AC_CHECK_TYPE(TYPE, DEFAULT)
-# or
-# AC_CHECK_TYPE(TYPE,
-# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-# [INCLUDES])
-# -------------------------------------------------------
-#
-# Dispatch respectively to _AC_CHECK_TYPE_OLD or _AC_CHECK_TYPE_NEW.
-# 1. More than two arguments => NEW
-# 2. $2 seems to be replacement type => OLD
-# See _AC_CHECK_TYPE_REPLACEMENT_TYPE_P for `replacement type'.
-# 3. $2 seems to be a type => NEW plus a warning
-# 4. default => NEW
-AC_DEFUN([AC_CHECK_TYPE],
-[m4_if($#, 3,
- [_AC_CHECK_TYPE_NEW($@)],
- $#, 4,
- [_AC_CHECK_TYPE_NEW($@)],
- _AC_CHECK_TYPE_REPLACEMENT_TYPE_P([$2]), 1,
- [_AC_CHECK_TYPE_OLD($@)],
- _AC_CHECK_TYPE_MAYBE_TYPE_P([$2]), 1,
- [AC_DIAGNOSE([syntax],
- [$0: assuming `$2' is not a type])_AC_CHECK_TYPE_NEW($@)],
- [_AC_CHECK_TYPE_NEW($@)])[]dnl
-])# AC_CHECK_TYPE
-
-
-
-# ----------------- #
-# Specific checks. #
-# ----------------- #
-
-# AC_TYPE_GETGROUPS
-# -----------------
-AC_DEFUN([AC_TYPE_GETGROUPS],
-[AC_REQUIRE([AC_TYPE_UID_T])dnl
-AC_CACHE_CHECK(type of array argument to getgroups, ac_cv_type_getgroups,
-[AC_RUN_IFELSE([AC_LANG_SOURCE(
-[[/* Thanks to Mike Rendell for this test. */
-#include <sys/types.h>
-#define NGID 256
-#undef MAX
-#define MAX(x, y) ((x) > (y) ? (x) : (y))
-
-int
-main ()
-{
- gid_t gidset[NGID];
- int i, n;
- union { gid_t gval; long lval; } val;
-
- val.lval = -1;
- for (i = 0; i < NGID; i++)
- gidset[i] = val.gval;
- n = getgroups (sizeof (gidset) / MAX (sizeof (int), sizeof (gid_t)) - 1,
- gidset);
- /* Exit non-zero if getgroups seems to require an array of ints. This
- happens when gid_t is short but getgroups modifies an array of ints. */
- exit ((n > 0 && gidset[n] != val.gval) ? 1 : 0);
-}]])],
- [ac_cv_type_getgroups=gid_t],
- [ac_cv_type_getgroups=int],
- [ac_cv_type_getgroups=cross])
-if test $ac_cv_type_getgroups = cross; then
- dnl When we can't run the test program (we are cross compiling), presume
- dnl that <unistd.h> has either an accurate prototype for getgroups or none.
- dnl Old systems without prototypes probably use int.
- AC_EGREP_HEADER([getgroups.*int.*gid_t], unistd.h,
- ac_cv_type_getgroups=gid_t, ac_cv_type_getgroups=int)
-fi])
-AC_DEFINE_UNQUOTED(GETGROUPS_T, $ac_cv_type_getgroups,
- [Define to the type of elements in the array set by
- `getgroups'. Usually this is either `int' or `gid_t'.])
-])# AC_TYPE_GETGROUPS
-
-
-# AU::AM_TYPE_PTRDIFF_T
-AU_DEFUN([AM_TYPE_PTRDIFF_T],
-[AC_CHECK_TYPES(ptrdiff_t)])
-
-
-# AC_TYPE_UID_T
-# -------------
-# FIXME: Rewrite using AC_CHECK_TYPE.
-AC_DEFUN([AC_TYPE_UID_T],
-[AC_CACHE_CHECK(for uid_t in sys/types.h, ac_cv_type_uid_t,
-[AC_EGREP_HEADER(uid_t, sys/types.h,
- ac_cv_type_uid_t=yes, ac_cv_type_uid_t=no)])
-if test $ac_cv_type_uid_t = no; then
- AC_DEFINE(uid_t, int, [Define to `int' if <sys/types.h> doesn't define.])
- AC_DEFINE(gid_t, int, [Define to `int' if <sys/types.h> doesn't define.])
-fi
-])
-
-
-AC_DEFUN([AC_TYPE_SIZE_T], [AC_CHECK_TYPE(size_t, unsigned)])
-AC_DEFUN([AC_TYPE_PID_T], [AC_CHECK_TYPE(pid_t, int)])
-AC_DEFUN([AC_TYPE_OFF_T], [AC_CHECK_TYPE(off_t, long)])
-AC_DEFUN([AC_TYPE_MODE_T], [AC_CHECK_TYPE(mode_t, int)])
-
-
-# AC_TYPE_SIGNAL
-# --------------
-# Note that identifiers starting with SIG are reserved by ANSI C.
-AC_DEFUN([AC_TYPE_SIGNAL],
-[AC_CACHE_CHECK([return type of signal handlers], ac_cv_type_signal,
-[AC_COMPILE_IFELSE(
-[AC_LANG_PROGRAM([#include <sys/types.h>
-#include <signal.h>
-#ifdef signal
-# undef signal
-#endif
-#ifdef __cplusplus
-extern "C" void (*signal (int, void (*)(int)))(int);
-#else
-void (*signal ()) ();
-#endif
-],
- [int i;])],
- [ac_cv_type_signal=void],
- [ac_cv_type_signal=int])])
-AC_DEFINE_UNQUOTED(RETSIGTYPE, $ac_cv_type_signal,
- [Define as the return type of signal handlers
- (`int' or `void').])
-])
-
-
-## ------------------------ ##
-## Checking size of types. ##
-## ------------------------ ##
-
-# ---------------- #
-# Generic checks. #
-# ---------------- #
-
-
-# AC_CHECK_SIZEOF(TYPE, [IGNORED], [INCLUDES])
-# --------------------------------------------
-AC_DEFUN([AC_CHECK_SIZEOF],
-[AS_LITERAL_IF([$1], [],
- [AC_FATAL([$0: requires literal arguments])])dnl
-AC_CHECK_TYPE([$1], [], [], [$3])
-AC_CACHE_CHECK([size of $1], AS_TR_SH([ac_cv_sizeof_$1]),
-[if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
- _AC_COMPUTE_INT([sizeof ($1)],
- [AS_TR_SH([ac_cv_sizeof_$1])],
- [AC_INCLUDES_DEFAULT([$3])])
-else
- AS_TR_SH([ac_cv_sizeof_$1])=0
-fi])dnl
-AC_DEFINE_UNQUOTED(AS_TR_CPP(sizeof_$1), $AS_TR_SH([ac_cv_sizeof_$1]),
- [The size of a `$1', as computed by sizeof.])
-])# AC_CHECK_SIZEOF
-
-
-
-# ---------------- #
-# Generic checks. #
-# ---------------- #
-
-# AU::AC_INT_16_BITS
-# ------------------
-# What a great name :)
-AU_DEFUN([AC_INT_16_BITS],
-[AC_CHECK_SIZEOF([int])
-AC_DIAGNOSE([obsolete], [$0:
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- `SIZEOF_INT'. Remove this warning and the `AC_DEFINE' when you
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-test $ac_cv_sizeof_int = 2 &&
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-])
-
-
-# AU::AC_LONG_64_BITS
-# -------------------
-AU_DEFUN([AC_LONG_64_BITS],
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-AC_DIAGNOSE([obsolete], [$0:
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-test $ac_cv_sizeof_long_int = 8 &&
- AC_DEFINE(LONG_64_BITS, 1,
- [Define if `sizeof (long int)' = 8. Obsolete, use
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-])
-
-
-
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-## -------------------------- ##
-
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-# Generic checks. #
-# ---------------- #
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-# [INCLUDES])
-# ---------------------------------------------------------
-# AGGREGATE.MEMBER is for instance `struct passwd.pw_gecos', shell
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-AC_DEFUN([AC_CHECK_MEMBER],
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-])# AC_CHECK_MEMBER
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-AC_DEFUN([AC_CHECK_MEMBERS],
-[m4_foreach([AC_Member], [$1],
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-
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-AC_CHECK_MEMBERS([struct stat.st_blksize],
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-])# AC_STRUCT_ST_BLKSIZE
-
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-# AC_STRUCT_ST_BLOCKS
-# -------------------
-# If `struct stat' contains an `st_blocks' member, define
-# HAVE_STRUCT_STAT_ST_BLOCKS. Otherwise, add `fileblocks.o' to the
-# output variable LIBOBJS. We still define HAVE_ST_BLOCKS for backward
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-# this macro, so don't obsolete it right now.
-#
-# AC_OBSOLETE([$0], [; replace it with
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-# Please note that it will define `HAVE_STRUCT_STAT_ST_BLOCKS',
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-#
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-[AC_CHECK_MEMBERS([struct stat.st_blocks],
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-# AC_STRUCT_ST_RDEV
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-[AC_DIAGNOSE([obsolete], [$0:
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- the `AC_DEFINE' when you adjust the code.])
-AC_CHECK_MEMBERS([struct stat.st_rdev],
- [AC_DEFINE(HAVE_ST_RDEV, 1,
- [Define if your `struct stat' has `st_rdev'.
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- instead.])])
-])# AC_STRUCT_ST_RDEV
-
-
-# AC_STRUCT_TM
-# ------------
-# FIXME: This macro is badly named, it should be AC_CHECK_TYPE_STRUCT_TM.
-# Or something else, but what? AC_CHECK_TYPE_STRUCT_TM_IN_SYS_TIME?
-AC_DEFUN([AC_STRUCT_TM],
-[AC_CACHE_CHECK([whether struct tm is in sys/time.h or time.h],
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- [ac_cv_struct_tm=sys/time.h])])
-if test $ac_cv_struct_tm = sys/time.h; then
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- [Define if your <sys/time.h> declares `struct tm'.])
-fi
-])# AC_STRUCT_TM
-
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-# AC_STRUCT_TIMEZONE
-# ------------------
-# Figure out how to get the current timezone. If `struct tm' has a
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-AC_DEFUN([AC_STRUCT_TIMEZONE],
-[AC_REQUIRE([AC_STRUCT_TM])dnl
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-if test "$ac_cv_member_struct_tm_tm_zone" = yes; then
- AC_DEFINE(HAVE_TM_ZONE, 1,
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- AC_CACHE_CHECK(for tzname, ac_cv_var_tzname,
-[AC_TRY_LINK(
-[#include <time.h>
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-[atoi(*tzname);], ac_cv_var_tzname=yes, ac_cv_var_tzname=no)])
- if test $ac_cv_var_tzname = yes; then
- AC_DEFINE(HAVE_TZNAME, 1,
- [Define if you don't have `tm_zone' but do have the external
- array `tzname'.])
- fi
-fi
-])# AC_STRUCT_TIMEZONE
+++ /dev/null
-# This file is part of Autoconf. -*- Autoconf -*-
-# Version of Autoconf.
-# Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
-
-m4_define([AC_ACVERSION], [@VERSION@])
esac
done
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-`$verbose "--verbose "`\
-`$debug && echo "--debug "`\
-"--include $autoconf_dir --include $localdir "\
-"--warning syntax,$warnings "\
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-
# Find the input file.
case $# in
0)
# Unless specified, the output is stdout.
test -z "$outfile" && outfile=-
+# Running autom4te.
+run_autom4te="$autom4te "\
+`$verbose "--verbose "`\
+`$debug && echo "--debug "`\
+"--include $autoconf_dir --include $localdir "\
+"--warning syntax,$warnings "\
+"autoconf/autoconf.m4"`$initialization || echo f`" "\
+`test -f "$autoconf_dir/acsite.m4" && echo "$autoconf_dir/acsite.m4"`" "\
+`test -f "$localdir/aclocal.m4" && echo "$localdir/aclocal.m4"`
+
# Autom4te expansion.
eval set dummy "$traces"
shift
+++ /dev/null
-changequote()changequote([, ])include(m4sh.m4)# -*- Autoconf -*-
-# This file is part of Autoconf.
-# Driver that loads the Autoconf macro files.
-# Copyright 1994, 1999, 2000, 2001 Free Software Foundation, Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-#
-# Written by David MacKenzie.
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-m4_copy_unm4([m4_undivert])
croak "$me: cannot save a single request\n"
if ref ($self);
- my $requests = new IO::File ("> $filename");
+ my $requests = new IO::File ("> $filename")
+ or die "$me: cannot create $filename: $!\n";
print $requests
"# This file was created by $me.\n",
"# It contains the lists of macros which have been traced.\n",
return File::Spec->canonpath ($filename)
if -f $filename;
- die "$me: no such for or directory: $filename\n"
+ die "$me: no such file or directory: $filename\n"
if File::Spec->file_name_is_absolute ($filename);
foreach my $path (@include)
if -f File::Spec->catfile ($path, $filename)
}
- die "$me: programming error: $filename";
+ die "$me: no such file or directory: $filename\n";
}
my $tables_are_consistent = 1;
foreach my $kind (@kinds)
{
- my $file = "$datadir/ac$kind";
+ my $file = "$datadir/autoscan/$kind";
my $table = new IO::File $file
or die "$me: cannot open $file: $!\n";
while ($_ = $table->getline)
# consistency checks.
if (!defined $2 && exists $macro{$kind}{$word})
{
- warn ("$datadir/ac$kind:$.: "
+ warn ("$datadir/autoscan/$kind:$.: "
. "ignoring implicit call to the generic macro for $word\n");
$tables_are_consistent = 0;
}
# Enable the m4 builtins, m4sugar and the autoquoting AC macros.
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- _au_include([$autoconf_dir/m4sugar.m4])
+ _au_include([$autoconf_dir/m4sugar/m4sugar.m4])
_au_include([$tmp/ac.m4])
_au_divert(0)])
esac
done
-# Running autom4te.
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-
# Find the input file.
case $# in
0)
# Unless specified, the output is stdout.
test -z "$outfile" && outfile=-
+# Running autom4te.
+run_autom4te="$autom4te "\
+`$verbose "--verbose "`\
+`$debug && echo "--debug "`\
+"--include $autoconf_dir --include $localdir "\
+"--warning syntax,$warnings "\
+"autoconf/autoconf.m4"`$initialization || echo f`" "\
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+`test -f "$localdir/aclocal.m4" && echo "$localdir/aclocal.m4"`
+
# Autom4te expansion.
eval set dummy "$traces"
shift
croak "$me: cannot save a single request\n"
if ref ($self);
- my $requests = new IO::File ("> $filename");
+ my $requests = new IO::File ("> $filename")
+ or die "$me: cannot create $filename: $!\n";
print $requests
"# This file was created by $me.\n",
"# It contains the lists of macros which have been traced.\n",
return File::Spec->canonpath ($filename)
if -f $filename;
- die "$me: no such for or directory: $filename\n"
+ die "$me: no such file or directory: $filename\n"
if File::Spec->file_name_is_absolute ($filename);
foreach my $path (@include)
if -f File::Spec->catfile ($path, $filename)
}
- die "$me: programming error: $filename";
+ die "$me: no such file or directory: $filename\n";
}
my $tables_are_consistent = 1;
foreach my $kind (@kinds)
{
- my $file = "$datadir/ac$kind";
+ my $file = "$datadir/autoscan/$kind";
my $table = new IO::File $file
or die "$me: cannot open $file: $!\n";
while ($_ = $table->getline)
# consistency checks.
if (!defined $2 && exists $macro{$kind}{$word})
{
- warn ("$datadir/ac$kind:$.: "
+ warn ("$datadir/autoscan/$kind:$.: "
. "ignoring implicit call to the generic macro for $word\n");
$tables_are_consistent = 0;
}
# Enable the m4 builtins, m4sugar and the autoquoting AC macros.
_au_include([$tmp/m4.m4])
- _au_include([$autoconf_dir/m4sugar.m4])
+ _au_include([$autoconf_dir/m4sugar/m4sugar.m4])
_au_include([$tmp/ac.m4])
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# only ac_max_sed_lines should be used.
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-ac_unique_file="acgeneral.m4"
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-ac_config_files="$ac_config_files Makefile m4/Makefile man/Makefile doc/Makefile config/Makefile lib/Makefile lib/Autoconf/Makefile tests/Makefile tests/atconfig"
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cat >confcache <<\_ACEOF
# This file is a shell script that caches the results of configure
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"lib/Makefile" ) CONFIG_FILES="$CONFIG_FILES lib/Makefile" ;;
"lib/Autoconf/Makefile" ) CONFIG_FILES="$CONFIG_FILES lib/Autoconf/Makefile" ;;
+ "lib/autoscan/Makefile" ) CONFIG_FILES="$CONFIG_FILES lib/autoscan/Makefile" ;;
+ "lib/m4sugar/Makefile" ) CONFIG_FILES="$CONFIG_FILES lib/m4sugar/Makefile" ;;
+ "lib/autoconf/Makefile" ) CONFIG_FILES="$CONFIG_FILES lib/autoconf/Makefile" ;;
+ "lib/autotest/Makefile" ) CONFIG_FILES="$CONFIG_FILES lib/autotest/Makefile" ;;
"tests/Makefile" ) CONFIG_FILES="$CONFIG_FILES tests/Makefile" ;;
"tests/atconfig" ) CONFIG_FILES="$CONFIG_FILES tests/atconfig" ;;
- *) { { echo "$as_me:1749: error: invalid argument: $ac_config_target" >&5
+ *) { { echo "$as_me:1753: error: invalid argument: $ac_config_target" >&5
echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
{ (exit 1); exit 1; }; };;
esac
esac
if test x"$ac_file" != x-; then
- { echo "$as_me:1960: creating $ac_file" >&5
+ { echo "$as_me:1964: creating $ac_file" >&5
echo "$as_me: creating $ac_file" >&6;}
rm -f "$ac_file"
fi
-) echo $tmp/stdin ;;
[\\/$]*)
# Absolute (can't be DOS-style, as IFS=:)
- test -f "$f" || { { echo "$as_me:1978: error: cannot find input file: $f" >&5
+ test -f "$f" || { { echo "$as_me:1982: error: cannot find input file: $f" >&5
echo "$as_me: error: cannot find input file: $f" >&2;}
{ (exit 1); exit 1; }; }
echo $f;;
echo $srcdir/$f
else
# /dev/null tree
- { { echo "$as_me:1991: error: cannot find input file: $f" >&5
+ { { echo "$as_me:1995: error: cannot find input file: $f" >&5
echo "$as_me: error: cannot find input file: $f" >&2;}
{ (exit 1); exit 1; }; }
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AC_PREREQ(2.50)
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AC_CONFIG_AUX_DIR(config)
AM_INIT_AUTOMAKE(autoconf, 2.52a)
AC_SUBST(VERSION)
AC_CONFIG_FILES(Makefile m4/Makefile man/Makefile doc/Makefile config/Makefile
- lib/Makefile lib/Autoconf/Makefile
+ lib/Makefile lib/Autoconf/Makefile lib/autoscan/Makefile
+ lib/m4sugar/Makefile
+ lib/autoconf/Makefile lib/autotest/Makefile
tests/Makefile tests/atconfig)
AC_OUTPUT
## Process this file with automake to create Makefile.in
-SUBDIRS = Autoconf
+SUBDIRS = Autoconf m4sugar autoconf autotest autoscan
PERL = @PERL@
VERSION = @VERSION@
-SUBDIRS = Autoconf
+SUBDIRS = Autoconf m4sugar autoconf autotest autoscan
mkinstalldirs = $(SHELL) $(top_srcdir)/config/mkinstalldirs
CONFIG_CLEAN_FILES =
DIST_COMMON = Makefile.am Makefile.in
Makefile
+version.m4
+*.m4f
--- /dev/null
+## Process this file with automake to create Makefile.in
+
+distautoconflibdir = $(pkgdatadir)/autoconf
+distautoconflib_DATA = autoconf.m4 \
+ general.m4 oldnames.m4 specific.m4 lang.m4 \
+ functions.m4 headers.m4 types.m4
+nodistautoconflibdir = $(pkgdatadir)/autoconf
+# The order matters: we need version.m4 to build autoconf.m4f.
+nodistautoconflib_DATA = version.m4 autoconf.m4f
+
+EXTRA_DIST = $(distautoconflib_DATA) version.in
+
+## version.m4. ##
+
+# - version.m4 needs to be updated only once, since it depends on
+# configure.ac, not on the results of a 'configure' run.
+# - It is guaranteed (with GNU Make) that when the version in configure.ac
+# is changed, version.m4 is built only after the new version number is
+# propagated to the Makefile. (Libtool uses the same guarantee.)
+
+$(srcdir)/version.m4: $(srcdir)/version.in $(top_srcdir)/configure.ac
+ sed 's,@VERSION\@,$(VERSION),g' $(srcdir)/version.in >version.tm4
+ mv version.tm4 $(srcdir)/version.m4
+
+## ------------------ ##
+## The frozen files. ##
+## ------------------ ##
+
+SUFFIXES = .m4 .m4f
+M4_INCLUDES = --include $(srcdir) \
+ --include $(top_builddir)/lib \
+ --include $(top_srcdir)/lib
+
+# When processing the file with diversion disabled, there must be no
+# output but comments and empty lines.
+# If freezing produces output, something went wrong: a bad `divert',
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+# It may happen that the output does not end with a end of line, hence
+# force an end of line when reporting errors.
+.m4.m4f:
+ $(M4) $(M4_INCLUDES) --fatal-warning --define divert \
+ $*.m4 2>error.log | \
+ sed 's/#.*//;/^$$/d' >process.log
+ if grep . error.log >/dev/null 2>&1; then \
+ echo "ERROR: Processing $*.m4 produced errors:" >&2; \
+ sed "s,^,$*.m4: ," <error.log >&2; \
+ echo >&2; \
+ exit 1; \
+ else \
+ rm -f error.log; \
+ fi
+ if grep . process.log >/dev/null 2>&1; then \
+ echo "ERROR: Processing $*.m4 produced output:" >&2; \
+ sed "s,^,$*.m4: ," <process.log >&2; \
+ echo >&2; \
+ exit 1; \
+ else \
+ rm -f process.log; \
+ fi
+ $(M4) $(M4_INCLUDES) --fatal-warning --freeze-state=$*.m4f \
+ $*.m4 >freeze.log
+ if grep . freeze.log >/dev/null 2>&1; then \
+ echo "ERROR: Freezing $(libdir)/$*.m4 produced output:" >&2; \
+ sed "s,^,$*.m4: ," <freeze.log >&2; \
+ echo >&2; \
+ exit 1; \
+ else \
+ rm -f freeze.log; \
+ fi
+
+autoconf.m4f: $(m4sources)
+
+# Files that should be removed, but which Automake does not know.
+CLEANFILES = autoconf.m4f
--- /dev/null
+# Makefile.in generated automatically by automake 1.4-p4 from Makefile.am
+
+# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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# M4 macros used in building test suites.
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--- /dev/null
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+EXTRA_DIST = $(m4sugarlib_DATA)
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+# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
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+# This program is distributed in the hope that it will be useful,
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+ cd $(top_srcdir) \
+ && $(AUTOMAKE) --include-deps --build-dir=$$here --srcdir-name=$(top_srcdir) --output-dir=$$top_distdir --gnu lib/m4sugar/Makefile
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+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
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# This file is part of Autoconf.
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-# along with this program; if not, write to the Free Software
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-# 02111-1307, USA.
-#
-# As a special exception, the Free Software Foundation gives unlimited
-# permission to copy, distribute and modify the configure scripts that
-# are the output of Autoconf. You need not follow the terms of the GNU
-# General Public License when using or distributing such scripts, even
-# though portions of the text of Autoconf appear in them. The GNU
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-# that constitutes the Autoconf program.
-#
-# Certain portions of the Autoconf source text are designed to be copied
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-[{ case $1 in
- [[\\/]]* | ?:[[\\/]]* ) as_incr_dir=;;
- *) as_incr_dir=.;;
-esac
-as_dummy=$1
-for as_mkdir_dir in `IFS='/\\'; set X $as_dummy; shift; echo "$[@]"`; do
- case $as_mkdir_dir in
- # Skip DOS drivespec
- ?:) as_incr_dir=$as_mkdir_dir ;;
- *)
- as_incr_dir=$as_incr_dir/$as_mkdir_dir
- test -d "$as_incr_dir" || mkdir "$as_incr_dir"
- ;;
- esac
-done; }
-])# AS_MKDIR_P
-
-
-# _AS_BROKEN_TEST_PREPARE
-# -----------------------
-# FIXME: This does not work and breaks way too many things.
-#
-# Find out ahead of time whether we want test -x (preferred) or test -f
-# to check whether a file is executable.
-m4_defun([_AS_BROKEN_TEST_PREPARE],
-[# Find out how to test for executable files. Don't use a zero-byte file,
-# as systems may use methods other than mode bits to determine executability.
-cat >conf$$.file <<_ASEOF
-@%:@! /bin/sh
-exit 0
-_ASEOF
-chmod +x conf$$.file
-if test -x conf$$.file >/dev/null 2>&1; then
- as_executable_p="test -x"
-elif test -f conf$$.file >/dev/null 2>&1; then
- as_executable_p="test -f"
-else
- AS_ERROR([cannot check whether a file is executable on this system])
-fi
-rm -f conf$$.file
-])# _AS_BROKEN_TEST_PREPARE
-
-
-# _AS_TEST_PREPARE
-# ----------------
-m4_defun([_AS_TEST_PREPARE],
-[as_executable_p="test -f"
-])# _AS_BROKEN_TEST_PREPARE
-
-
-
-
-
-
-## ------------------ ##
-## 5. Common idioms. ##
-## ------------------ ##
-
-# This section is lexicographically sorted.
-
-
-# AS_BOX(MESSAGE, [FRAME-CHARACTER = `='])
-# ----------------------------------------
-# Output MESSAGE, a single line text, framed with FRAME-CHARACTER (which
-# must not be `/').
-m4_define([AS_BOX],
-[AS_LITERAL_IF([$1],
- [_AS_BOX_LITERAL($@)],
- [_AS_BOX_INDIR($@)])])
-
-# _AS_BOX_LITERAL(MESSAGE, [FRAME-CHARACTER = `='])
-# -------------------------------------------------
-m4_define([_AS_BOX_LITERAL],
-[cat <<\_ASBOX
-m4_patsubst([$1], [.], m4_if([$2], [], [[=]], [[$2]]))
-$1
-m4_patsubst([$1], [.], m4_if([$2], [], [[=]], [[$2]]))
-_ASBOX])
-
-# _AS_BOX_INDIR(MESSAGE, [FRAME-CHARACTER = `='])
-# -----------------------------------------------
-m4_define([_AS_BOX_INDIR],
-[sed 'h;s/./m4_default([$2], [=])/g;p;x;p;x' <<_ASBOX
-$1
-_ASBOX])
-
-
-# AS_LITERAL_IF(EXPRESSION, IF-LITERAL, IF-NOT-LITERAL)
-# -----------------------------------------------------
-# If EXPRESSION has shell indirections ($var or `expr`), expand
-# IF-INDIR, else IF-NOT-INDIR.
-# This is an *approximation*: for instance EXPRESSION = `\$' is
-# definitely a literal, but will not be recognized as such.
-m4_define([AS_LITERAL_IF],
-[m4_if(m4_regexp([$1], [[`$]]),
- -1, [$2],
- [$3])])
-
-
-# AS_TMPDIR(PREFIX)
-# -----------------
-# Create as safely as possible a temporary directory which name is
-# inspired by PREFIX (should be 2-4 chars max), and set trap
-# mechanisms to remove it.
-m4_define([AS_TMPDIR],
-[# Create a temporary directory, and hook for its removal unless debugging.
-$debug ||
-{
- trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0
- trap 'AS_EXIT([1])' 1 2 13 15
-}
-
-# Create a (secure) tmp directory for tmp files.
-: ${TMPDIR=/tmp}
-{
- tmp=`(umask 077 && mktemp -d -q "$TMPDIR/$1XXXXXX") 2>/dev/null` &&
- test -n "$tmp" && test -d "$tmp"
-} ||
-{
- tmp=$TMPDIR/$1$$-$RANDOM
- (umask 077 && mkdir $tmp)
-} ||
-{
- echo "$me: cannot create a temporary directory in $TMPDIR" >&2
- AS_EXIT
-}dnl
-])# AS_TMPDIR
-
-
-# AS_UNAME
-# --------
-# Try to describe this machine. Meant for logs.
-m4_define([AS_UNAME],
-[{
-cat <<_ASUNAME
-## ---------- ##
-## Platform. ##
-## ---------- ##
-
-hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
-uname -m = `(uname -m) 2>/dev/null || echo unknown`
-uname -r = `(uname -r) 2>/dev/null || echo unknown`
-uname -s = `(uname -s) 2>/dev/null || echo unknown`
-uname -v = `(uname -v) 2>/dev/null || echo unknown`
-
-/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
-/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown`
-
-/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown`
-/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown`
-/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
-hostinfo = `(hostinfo) 2>/dev/null || echo unknown`
-/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown`
-/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown`
-/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown`
-
-PATH = $PATH
-
-_ASUNAME
-}])
-
-
-
-## ------------------------------------ ##
-## Common m4/sh character translation. ##
-## ------------------------------------ ##
-
-# The point of this section is to provide high level macros comparable
-# to m4's `translit' primitive, but m4/sh polymorphic.
-# Transliteration of literal strings should be handled by m4, while
-# shell variables' content will be translated at runtime (tr or sed).
-
-
-# _AS_CR_PREPARE
-# --------------
-# Output variables defining common character ranges.
-# See m4_cr_letters etc.
-m4_defun([_AS_CR_PREPARE],
-[# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-])
-
-
-# _AS_TR_SH_PREPARE
-# -----------------
-m4_defun([_AS_TR_SH_PREPARE],
-[m4_require([_AS_CR_PREPARE])dnl
-# Sed expression to map a string onto a valid variable name.
-as_tr_sh="sed y%*+%pp%;s%[[^_$as_cr_alnum]]%_%g"
-])
-
-
-# AS_TR_SH(EXPRESSION)
-# --------------------
-# Transform EXPRESSION into a valid shell variable name.
-# sh/m4 polymorphic.
-# Be sure to update the definition of `$as_tr_sh' if you change this.
-m4_defun([AS_TR_SH],
-[m4_require([_$0_PREPARE])dnl
-AS_LITERAL_IF([$1],
- [m4_patsubst(m4_translit([[$1]], [*+], [pp]),
- [[^a-zA-Z0-9_]], [_])],
- [`echo "$1" | $as_tr_sh`])])
-
-
-# _AS_TR_CPP_PREPARE
-# ------------------
-m4_defun([_AS_TR_CPP_PREPARE],
-[m4_require([_AS_CR_PREPARE])dnl
-# Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="sed y%*$as_cr_letters%P$as_cr_LETTERS%;s%[[^_$as_cr_alnum]]%_%g"
-])
-
-
-# AS_TR_CPP(EXPRESSION)
-# ---------------------
-# Map EXPRESSION to an upper case string which is valid as rhs for a
-# `#define'. sh/m4 polymorphic. Be sure to update the definition
-# of `$as_tr_cpp' if you change this.
-m4_defun([AS_TR_CPP],
-[m4_require([_$0_PREPARE])dnl
-AS_LITERAL_IF([$1],
- [m4_patsubst(m4_translit([[$1]],
- [*abcdefghijklmnopqrstuvwxyz],
- [PABCDEFGHIJKLMNOPQRSTUVWXYZ]),
- [[^A-Z0-9_]], [_])],
- [`echo "$1" | $as_tr_cpp`])])
-
-
-# _AS_TR_PREPARE
-# --------------
-m4_defun([_AS_TR_PREPARE],
-[m4_require([_AS_TR_SH_PREPARE])dnl
-m4_require([_AS_TR_CPP_PREPARE])dnl
-])
-
-
-
-
-## --------------------------------------------------- ##
-## Common m4/sh handling of variables (indirections). ##
-## --------------------------------------------------- ##
-
-
-# The purpose of this section is to provide a uniform API for
-# reading/setting sh variables with or without indirection.
-# Typically, one can write
-# AS_VAR_SET(var, val)
-# or
-# AS_VAR_SET(as_$var, val)
-# and expect the right thing to happen.
-
-
-# AS_VAR_SET(VARIABLE, VALUE)
-# ---------------------------
-# Set the VALUE of the shell VARIABLE.
-# If the variable contains indirections (e.g. `ac_cv_func_$ac_func')
-# perform whenever possible at m4 level, otherwise sh level.
-m4_define([AS_VAR_SET],
-[AS_LITERAL_IF([$1],
- [$1=$2],
- [eval "$1=$2"])])
-
-
-# AS_VAR_GET(VARIABLE)
-# --------------------
-# Get the value of the shell VARIABLE.
-# Evaluates to $VARIABLE if there are no indirection in VARIABLE,
-# else into the appropriate `eval' sequence.
-m4_define([AS_VAR_GET],
-[AS_LITERAL_IF([$1],
- [$[]$1],
- [`eval echo '${'m4_patsubst($1, [[\\`]], [\\\&])'}'`])])
-
-
-# AS_VAR_TEST_SET(VARIABLE)
-# -------------------------
-# Expands into the `test' expression which is true if VARIABLE
-# is set. Polymorphic. Should be dnl'ed.
-m4_define([AS_VAR_TEST_SET],
-[AS_LITERAL_IF([$1],
- [test "${$1+set}" = set],
- [eval "test \"\${$1+set}\" = set"])])
-
-
-# AS_VAR_SET_IF(VARIABLE, IF-TRUE, IF-FALSE)
-# ------------------------------------------
-# Implement a shell `if-then-else' depending whether VARIABLE is set
-# or not. Polymorphic.
-m4_define([AS_VAR_SET_IF],
-[AS_IF([AS_VAR_TEST_SET([$1])], [$2], [$3])])
-
-
-# AS_VAR_PUSHDEF and AS_VAR_POPDEF
-# --------------------------------
-#
-
-# Sometimes we may have to handle literals (e.g. `stdlib.h'), while at
-# other moments, the same code may have to get the value from a
-# variable (e.g., `ac_header'). To have a uniform handling of both
-# cases, when a new value is about to be processed, declare a local
-# variable, e.g.:
-#
-# AS_VAR_PUSHDEF([header], [ac_cv_header_$1])
-#
-# and then in the body of the macro, use `header' as is. It is of
-# first importance to use `AS_VAR_*' to access this variable. Don't
-# quote its name: it must be used right away by m4.
-#
-# If the value `$1' was a literal (e.g. `stdlib.h'), then `header' is
-# in fact the value `ac_cv_header_stdlib_h'. If `$1' was indirect,
-# then `header's value in m4 is in fact `$ac_header', the shell
-# variable that holds all of the magic to get the expansion right.
-#
-# At the end of the block, free the variable with
-#
-# AS_VAR_POPDEF([header])
-
-
-# AS_VAR_PUSHDEF(VARNAME, VALUE)
-# ------------------------------
-# Define the m4 macro VARNAME to an accessor to the shell variable
-# named VALUE. VALUE does not need to be a valid shell variable name:
-# the transliteration is handled here. To be dnl'ed.
-m4_define([AS_VAR_PUSHDEF],
-[AS_LITERAL_IF([$2],
- [m4_pushdef([$1], [AS_TR_SH($2)])],
- [as_$1=AS_TR_SH($2)
-m4_pushdef([$1], [$as_[$1]])])])
-
-
-# AS_VAR_POPDEF(VARNAME)
-# ----------------------
-# Free the shell variable accessor VARNAME. To be dnl'ed.
-m4_define([AS_VAR_POPDEF],
-[m4_popdef([$1])])
-
-
-
-## ----------------- ##
-## Setting M4sh up. ##
-## ----------------- ##
-
-
-# AS_INIT
-# -------
-m4_define([AS_INIT],
-[m4_init
-
-# Forbidden tokens and exceptions.
-m4_pattern_forbid([^_?AS_])
-])
+++ /dev/null
-divert(-1)# -*- Autoconf -*-
-# This file is part of Autoconf.
-# Base M4 layer.
-# Requires GNU M4.
-# Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-#
-# As a special exception, the Free Software Foundation gives unlimited
-# permission to copy, distribute and modify the configure scripts that
-# are the output of Autoconf. You need not follow the terms of the GNU
-# General Public License when using or distributing such scripts, even
-# though portions of the text of Autoconf appear in them. The GNU
-# General Public License (GPL) does govern all other use of the material
-# that constitutes the Autoconf program.
-#
-# Certain portions of the Autoconf source text are designed to be copied
-# (in certain cases, depending on the input) into the output of
-# Autoconf. We call these the "data" portions. The rest of the Autoconf
-# source text consists of comments plus executable code that decides which
-# of the data portions to output in any given case. We call these
-# comments and executable code the "non-data" portions. Autoconf never
-# copies any of the non-data portions into its output.
-#
-# This special exception to the GPL applies to versions of Autoconf
-# released by the Free Software Foundation. When you make and
-# distribute a modified version of Autoconf, you may extend this special
-# exception to the GPL to apply to your modified version as well, *unless*
-# your modified version has the potential to copy into its output some
-# of the text that was the non-data portion of the version that you started
-# with. (In other words, unless your change moves or copies text from
-# the non-data portions to the data portions.) If your modification has
-# such potential, you must delete any notice of this special exception
-# to the GPL from your modified version.
-#
-# Written by Akim Demaille.
-#
-
-# Set the quotes, whatever the current quoting system.
-changequote()
-changequote([, ])
-
-# Some old m4's don't support m4exit. But they provide
-# equivalent functionality by core dumping because of the
-# long macros we define.
-ifdef([__gnu__], ,
-[errprint(M4sugar requires GNU M4. Install it before installing M4sugar or
-set the M4 environment variable to its path name.)
-m4exit(2)])
-
-
-## ------------------------------- ##
-## 1. Simulate --prefix-builtins. ##
-## ------------------------------- ##
-
-# m4_define
-# m4_defn
-# m4_undefine
-define([m4_define], defn([define]))
-define([m4_defn], defn([defn]))
-define([m4_undefine], defn([undefine]))
-
-m4_undefine([define])
-m4_undefine([defn])
-m4_undefine([undefine])
-
-
-# m4_copy(SRC, DST)
-# -----------------
-# Define DST as the definition of SRC.
-# What's the difference between:
-# 1. m4_copy([from], [to])
-# 2. m4_define([from], [to($@)])
-# Well, obviously 1 is more expansive in space. Maybe 2 is more expansive
-# in time, but because of the space cost of 1, it's not that obvious.
-# Nevertheless, one huge difference is the handling of `$0'. If `from'
-# uses `$0', then with 1, `to''s `$0' is `to', while it is `from' in 2.
-# The user will certainly prefer see `from'.
-m4_define([m4_copy],
-[m4_define([$2], m4_defn([$1]))])
-
-
-# m4_rename(SRC, DST)
-# -------------------
-# Rename the macro SRC as DST.
-m4_define([m4_rename],
-[m4_copy([$1], [$2])m4_undefine([$1])])
-
-
-# m4_rename_m4(MACRO-NAME)
-# ------------------------
-# Rename MACRO-NAME as m4_MACRO-NAME.
-m4_define([m4_rename_m4],
-[m4_rename([$1], [m4_$1])])
-
-
-# m4_copy_unm4(m4_MACRO-NAME)
-# ---------------------------
-# Copy m4_MACRO-NAME as MACRO-NAME.
-m4_define([m4_copy_unm4],
-[m4_copy([$1], m4_patsubst([$1], [^m4_\(.*\)], [[\1]]))])
-
-
-# Some m4 internals have names colliding with tokens we might use.
-# Rename them a` la `m4 --prefix-builtins'.
-m4_rename_m4([builtin])
-m4_rename_m4([changecom])
-m4_rename_m4([changequote])
-m4_rename_m4([debugfile])
-m4_rename_m4([debugmode])
-m4_rename_m4([decr])
-m4_undefine([divert])
-m4_rename_m4([divnum])
-m4_rename_m4([dumpdef])
-m4_rename_m4([errprint])
-m4_rename_m4([esyscmd])
-m4_rename_m4([eval])
-m4_rename_m4([format])
-m4_rename_m4([ifdef])
-m4_rename([ifelse], [m4_if])
-m4_rename_m4([include])
-m4_rename_m4([incr])
-m4_rename_m4([index])
-m4_rename_m4([indir])
-m4_rename_m4([len])
-m4_rename([m4exit], [m4_exit])
-m4_rename([m4wrap], [m4_wrap])
-m4_rename_m4([maketemp])
-m4_rename_m4([patsubst])
-m4_undefine([popdef])
-m4_rename_m4([pushdef])
-m4_rename_m4([regexp])
-m4_rename_m4([shift])
-m4_rename_m4([sinclude])
-m4_rename_m4([substr])
-m4_rename_m4([symbols])
-m4_rename_m4([syscmd])
-m4_rename_m4([sysval])
-m4_rename_m4([traceoff])
-m4_rename_m4([traceon])
-m4_rename_m4([translit])
-m4_undefine([undivert])
-
-
-## ------------------- ##
-## 2. Error messages. ##
-## ------------------- ##
-
-
-# m4_location
-# -----------
-m4_define([m4_location],
-[__file__:__line__])
-
-
-# m4_errprintn(MSG)
-# -----------------
-# Same as `errprint', but with the missing end of line.
-m4_define([m4_errprintn],
-[m4_errprint([$1
-])])
-
-
-# m4_warning(MSG)
-# ---------------
-# Warn the user.
-m4_define([m4_warning],
-[m4_errprintn(m4_location[: warning: $1])])
-
-
-# m4_fatal(MSG, [EXIT-STATUS])
-# ----------------------------
-# Fatal the user. :)
-m4_define([m4_fatal],
-[m4_errprintn(m4_location[: error: $1])dnl
-m4_expansion_stack_dump()dnl
-m4_exit(m4_if([$2],, 1, [$2]))])
-
-
-# m4_assert(EXPRESSION, [EXIT-STATUS = 1])
-# ----------------------------------------
-# This macro ensures that EXPRESSION evaluates to true, and exits if
-# EXPRESSION evaluates to false.
-m4_define([m4_assert],
-[m4_if(m4_eval([$1]), 0,
- [m4_fatal([assert failed: $1], [$2])])])
-
-
-## ------------- ##
-## 3. Warnings. ##
-## ------------- ##
-
-
-# m4_warning_ifelse(CATEGORY, IF-TRUE, IF-FALSE)
-# ----------------------------------------------
-# If the CATEGORY of warnings is enabled, expand IF_TRUE otherwise
-# IF-FALSE.
-#
-# The variable `m4_warnings' contains a comma separated list of
-# warnings which order is the converse from the one specified by
-# the user, i.e., if she specified `-W error,none,obsolete',
-# `m4_warnings' is `obsolete,none,error'. We read it from left to
-# right, and:
-# - if none or noCATEGORY is met, run IF-FALSE
-# - if all or CATEGORY is met, run IF-TRUE
-# - if there is nothing left, run IF-FALSE.
-m4_define([m4_warning_ifelse],
-[_m4_warning_ifelse([$1], [$2], [$3], m4_warnings)])
-
-
-# _m4_warning_ifelse(CATEGORY, IF-TRUE, IF-FALSE, WARNING1, ...)
-# --------------------------------------------------------------
-# Implementation of the loop described above.
-m4_define([_m4_warning_ifelse],
-[m4_case([$4],
- [$1], [$2],
- [all], [$2],
- [], [$3],
- [none], [$3],
- [no-$1], [$3],
- [$0([$1], [$2], [$3], m4_shiftn(4, $@))])])
-
-
-# _m4_warning_error_ifelse(IF-TRUE, IF-FALSE)
-# -------------------------------------------
-# The same as m4_warning_ifelse, but scan for `error' only.
-m4_define([_m4_warning_error_ifelse],
-[__m4_warning_error_ifelse([$1], [$2], m4_warnings)])
-
-
-# __m4_warning_error_ifelse(IF-TRUE, IF-FALSE)
-# --------------------------------------------
-# The same as _m4_warning_ifelse, but scan for `error' only.
-m4_define([__m4_warning_error_ifelse],
-[m4_case([$3],
- [error], [$1],
- [], [$2],
- [no-error], [$2],
- [$0([$1], [$2], m4_shiftn(3, $@))])])
-
-
-
-# _m4_warn(MESSAGE)
-# -----------------
-# Report MESSAGE as a warning, unless the user requested -W error,
-# in which case report a fatal error.
-m4_define([_m4_warn],
-[_m4_warning_error_ifelse([m4_fatal([$1])],
- [m4_warning([$1])])])
-
-
-# m4_warn(CATEGORY, MESSAGE)
-# --------------------------
-# Report a MESSAGE to the autoconf user if the CATEGORY of warnings
-# is requested (in fact, not disabled).
-m4_define([m4_warn],
-[m4_warning_ifelse([$1], [_m4_warn([$2])])])
-
-
-
-
-## ------------------- ##
-## 4. File inclusion. ##
-## ------------------- ##
-
-
-# We also want to neutralize include (and sinclude for symmetry),
-# but we want to extend them slightly: warn when a file is included
-# several times. This is in general a dangerous operation because
-# quite nobody quotes the first argument of m4_define.
-#
-# For instance in the following case:
-# m4_define(foo, [bar])
-# then a second reading will turn into
-# m4_define(bar, [bar])
-# which is certainly not what was meant.
-
-# m4_include_unique(FILE)
-# -----------------------
-# Declare that the FILE was loading; and warn if it has already
-# been included.
-m4_define([m4_include_unique],
-[m4_ifdef([m4_include($1)],
- [m4_warn([syntax], [file `$1' included several times])])dnl
-m4_define([m4_include($1)])])
-
-
-# m4_include(FILE)
-# ----------------
-# As the builtin include, but warns against multiple inclusions.
-m4_define([m4_include],
-[m4_include_unique([$1])dnl
-m4_builtin([include], [$1])])
-
-
-# m4_sinclude(FILE)
-# -----------------
-# As the builtin sinclude, but warns against multiple inclusions.
-m4_define([m4_sinclude],
-[m4_include_unique([$1])dnl
-m4_builtin([sinclude], [$1])])
-
-
-
-## ------------------------------------ ##
-## 5. Additional branching constructs. ##
-## ------------------------------------ ##
-
-# Both `m4_ifval' and `m4_ifset' tests against the empty string. The
-# difference is that `m4_ifset' is specialized on macros.
-#
-# In case of arguments of macros, eg $[1], it makes little difference.
-# In the case of a macro `FOO', you don't want to check `m4_ifval(FOO,
-# TRUE)', because if `FOO' expands with commas, there is a shifting of
-# the arguments. So you want to run `m4_ifval([FOO])', but then you just
-# compare the *string* `FOO' against `', which, of course fails.
-#
-# So you want a variation of `m4_ifset' that expects a macro name as $[1].
-# If this macro is both defined and defined to a non empty value, then
-# it runs TRUE etc.
-
-
-# m4_ifval(COND, [IF-TRUE], [IF-FALSE])
-# -------------------------------------
-# If COND is not the empty string, expand IF-TRUE, otherwise IF-FALSE.
-# Comparable to m4_ifdef.
-m4_define([m4_ifval],
-[m4_if([$1], [], [$3], [$2])])
-
-
-# m4_n(TEXT)
-# ----------
-# If TEXT is not empty, return TEXT and a new line, otherwise nothing.
-m4_define([m4_n],
-[m4_if([$1],
- [], [],
- [$1
-])])
-
-
-# m4_ifvaln(COND, [IF-TRUE], [IF-FALSE])
-# --------------------------------------
-# Same as `m4_ifval', but add an extra newline to IF-TRUE or IF-FALSE
-# unless that argument is empty.
-m4_define([m4_ifvaln],
-[m4_if([$1],
- [], [m4_n([$3])],
- [m4_n([$2])])])
-
-
-# m4_ifset(MACRO, [IF-TRUE], [IF-FALSE])
-# --------------------------------------
-# If MACRO has no definition, or of its definition is the empty string,
-# expand IF-FALSE, otherwise IF-TRUE.
-m4_define([m4_ifset],
-[m4_ifdef([$1],
- [m4_if(m4_defn([$1]), [], [$3], [$2])],
- [$3])])
-
-
-# m4_ifndef(NAME, [IF-NOT-DEFINED], [IF-DEFINED])
-# -----------------------------------------------
-m4_define([m4_ifndef],
-[m4_ifdef([$1], [$3], [$2])])
-
-
-# m4_case(SWITCH, VAL1, IF-VAL1, VAL2, IF-VAL2, ..., DEFAULT)
-# -----------------------------------------------------------
-# m4 equivalent of
-# switch (SWITCH)
-# {
-# case VAL1:
-# IF-VAL1;
-# break;
-# case VAL2:
-# IF-VAL2;
-# break;
-# ...
-# default:
-# DEFAULT;
-# break;
-# }.
-# All the values are optional, and the macro is robust to active
-# symbols properly quoted.
-m4_define([m4_case],
-[m4_if([$#], 0, [],
- [$#], 1, [],
- [$#], 2, [$2],
- [$1], [$2], [$3],
- [m4_case([$1], m4_shiftn(3, $@))])])
-
-
-# m4_match(SWITCH, RE1, VAL1, RE2, VAL2, ..., DEFAULT)
-# ----------------------------------------------------
-# m4 equivalent of
-#
-# if (SWITCH =~ RE1)
-# VAL1;
-# elif (SWITCH =~ RE2)
-# VAL2;
-# elif ...
-# ...
-# else
-# DEFAULT
-#
-# All the values are optional, and the macro is robust to active symbols
-# properly quoted.
-m4_define([m4_match],
-[m4_if([$#], 0, [],
- [$#], 1, [],
- [$#], 2, [$2],
- m4_regexp([$1], [$2]), -1, [m4_match([$1], m4_shiftn(3, $@))],
- [$3])])
-
-
-
-## ---------------------------------------- ##
-## 6. Enhanced version of some primitives. ##
-## ---------------------------------------- ##
-
-# m4_do(STRING, ...)
-# ------------------
-# This macro invokes all its arguments (in sequence, of course). It is
-# useful for making your macros more structured and readable by dropping
-# unecessary dnl's and have the macros indented properly.
-m4_define([m4_do],
-[m4_if($#, 0, [],
- $#, 1, [$1],
- [$1[]m4_do(m4_shift($@))])])
-
-
-# m4_default(EXP1, EXP2)
-# ----------------------
-# Returns EXP1 if non empty, otherwise EXP2.
-m4_define([m4_default],
-[m4_ifval([$1], [$1], [$2])])
-
-
-# m4_defn(NAME)
-# -------------
-# Unlike to the original, don't tolerate popping something which is
-# undefined.
-m4_define([m4_defn],
-[m4_ifndef([$1],
- [m4_fatal([$0: undefined macro: $1])])dnl
-m4_builtin([defn], $@)])
-
-
-# _m4_dumpdefs_up(NAME)
-# ---------------------
-m4_define([_m4_dumpdefs_up],
-[m4_ifdef([$1],
- [m4_pushdef([_m4_dumpdefs], m4_defn([$1]))dnl
-m4_dumpdef([$1])dnl
-m4_popdef([$1])dnl
-_m4_dumpdefs_up([$1])])])
-
-
-# _m4_dumpdefs_down(NAME)
-# -----------------------
-m4_define([_m4_dumpdefs_down],
-[m4_ifdef([_m4_dumpdefs],
- [m4_pushdef([$1], m4_defn([_m4_dumpdefs]))dnl
-m4_popdef([_m4_dumpdefs])dnl
-_m4_dumpdefs_down([$1])])])
-
-
-# m4_dumpdefs(NAME)
-# -----------------
-# Similar to `m4_dumpdef(NAME)', but if NAME was m4_pushdef'ed, display its
-# value stack (most recent displayed first).
-m4_define([m4_dumpdefs],
-[_m4_dumpdefs_up([$1])dnl
-_m4_dumpdefs_down([$1])])
-
-
-# m4_popdef(NAME)
-# ---------------
-# Unlike to the original, don't tolerate popping something which is
-# undefined.
-m4_define([m4_popdef],
-[m4_ifndef([$1],
- [m4_fatal([$0: undefined macro: $1])])dnl
-m4_builtin([popdef], $@)])
-
-
-# m4_quote(STRING)
-# ----------------
-# Return STRING quoted.
-#
-# It is important to realize the difference between `m4_quote(exp)' and
-# `[exp]': in the first case you obtain the quoted *result* of the
-# expansion of EXP, while in the latter you just obtain the string
-# `exp'.
-m4_define([m4_quote], [[$*]])
-m4_define([m4_dquote], [[[$*]]])
-
-
-# m4_noquote(STRING)
-# ------------------
-# Return the result of ignoring all quotes in STRING and invoking the
-# macros it contains. Amongst other things useful for enabling macro
-# invocations inside strings with [] blocks (for instance regexps and
-# help-strings).
-m4_define([m4_noquote],
-[m4_changequote(-=<{,}>=-)$1-=<{}>=-m4_changequote([,])])
-
-
-# m4_shiftn(N, ...)
-# -----------------
-# Returns ... shifted N times. Useful for recursive "varargs" constructs.
-m4_define([m4_shiftn],
-[m4_assert(($1 >= 0) && ($# > $1))dnl
-_m4_shiftn($@)])
-
-m4_define([_m4_shiftn],
-[m4_if([$1], 0,
- [m4_shift($@)],
- [_m4_shiftn(m4_eval([$1]-1), m4_shift(m4_shift($@)))])])
-
-
-# m4_undefine(NAME)
-# -----------------
-# Unlike to the original, don't tolerate undefining something which is
-# undefined.
-m4_define([m4_undefine],
-[m4_ifndef([$1],
- [m4_fatal([$0: undefined macro: $1])])dnl
-m4_builtin([undefine], $@)])
-
-
-## -------------------------- ##
-## 7. Implementing m4 loops. ##
-## -------------------------- ##
-
-
-# m4_for(VARIABLE, FIRST, LAST, [STEP = +/-1], EXPRESSION)
-# --------------------------------------------------------
-# Expand EXPRESSION defining VARIABLE to FROM, FROM + 1, ..., TO.
-# Both limits are included, and bounds are checked for consistency.
-m4_define([m4_for],
-[m4_case(m4_sign(m4_eval($3 - $2)),
- 1, [m4_assert(m4_sign(m4_default($4, 1)) == 1)],
- -1, [m4_assert(m4_sign(m4_default($4, -1)) == -1)])dnl
-m4_pushdef([$1], [$2])dnl
-m4_if(m4_eval([$3 > $2]), 1,
- [_m4_for([$1], [$3], m4_default([$4], 1), [$5])],
- [_m4_for([$1], [$3], m4_default([$4], -1), [$5])])dnl
-m4_popdef([$1])])
-
-
-# _m4_for(VARIABLE, FIRST, LAST, STEP, EXPRESSION)
-# ------------------------------------------------
-# Core of the loop, no consistency checks.
-m4_define([_m4_for],
-[$4[]dnl
-m4_if($1, [$2], [],
- [m4_define([$1], m4_eval($1+[$3]))_m4_for([$1], [$2], [$3], [$4])])])
-
-
-# Implementing `foreach' loops in m4 is much more tricky than it may
-# seem. Actually, the example of a `foreach' loop in the m4
-# documentation is wrong: it does not quote the arguments properly,
-# which leads to undesired expansions.
-#
-# The example in the documentation is:
-#
-# | # foreach(VAR, (LIST), STMT)
-# | m4_define([foreach],
-# | [m4_pushdef([$1])_foreach([$1], [$2], [$3])m4_popdef([$1])])
-# | m4_define([_arg1], [$1])
-# | m4_define([_foreach],
-# | [m4_if([$2], [()], ,
-# | [m4_define([$1], _arg1$2)$3[]_foreach([$1],
-# | (shift$2),
-# | [$3])])])
-#
-# But then if you run
-#
-# | m4_define(a, 1)
-# | m4_define(b, 2)
-# | m4_define(c, 3)
-# | foreach([f], [([a], [(b], [c)])], [echo f
-# | ])
-#
-# it gives
-#
-# => echo 1
-# => echo (2,3)
-#
-# which is not what is expected.
-#
-# Of course the problem is that many quotes are missing. So you add
-# plenty of quotes at random places, until you reach the expected
-# result. Alternatively, if you are a quoting wizard, you directly
-# reach the following implementation (but if you really did, then
-# apply to the maintenance of m4sugar!).
-#
-# | # foreach(VAR, (LIST), STMT)
-# | m4_define([foreach], [m4_pushdef([$1])_foreach($@)m4_popdef([$1])])
-# | m4_define([_arg1], [[$1]])
-# | m4_define([_foreach],
-# | [m4_if($2, [()], ,
-# | [m4_define([$1], [_arg1$2])$3[]_foreach([$1],
-# | [(shift$2)],
-# | [$3])])])
-#
-# which this time answers
-#
-# => echo a
-# => echo (b
-# => echo c)
-#
-# Bingo!
-#
-# Well, not quite.
-#
-# With a better look, you realize that the parens are more a pain than
-# a help: since anyway you need to quote properly the list, you end up
-# with always using an outermost pair of parens and an outermost pair
-# of quotes. Rejecting the parens both eases the implementation, and
-# simplifies the use:
-#
-# | # foreach(VAR, (LIST), STMT)
-# | m4_define([foreach], [m4_pushdef([$1])_foreach($@)m4_popdef([$1])])
-# | m4_define([_arg1], [$1])
-# | m4_define([_foreach],
-# | [m4_if($2, [], ,
-# | [m4_define([$1], [_arg1($2)])$3[]_foreach([$1],
-# | [shift($2)],
-# | [$3])])])
-#
-#
-# Now, just replace the `$2' with `m4_quote($2)' in the outer `m4_if'
-# to improve robustness, and you come up with a quite satisfactory
-# implementation.
-
-
-# m4_foreach(VARIABLE, LIST, EXPRESSION)
-# --------------------------------------
-#
-# Expand EXPRESSION assigning each value of the LIST to VARIABLE.
-# LIST should have the form `item_1, item_2, ..., item_n', i.e. the
-# whole list must *quoted*. Quote members too if you don't want them
-# to be expanded.
-#
-# This macro is robust to active symbols:
-# | m4_define(active, [ACT, IVE])
-# | m4_foreach(Var, [active, active], [-Var-])
-# => -ACT--IVE--ACT--IVE-
-#
-# | m4_foreach(Var, [[active], [active]], [-Var-])
-# => -ACT, IVE--ACT, IVE-
-#
-# | m4_foreach(Var, [[[active]], [[active]]], [-Var-])
-# => -active--active-
-m4_define([m4_foreach],
-[m4_pushdef([$1])_m4_foreach($@)m4_popdef([$1])])
-
-# Low level macros used to define m4_foreach.
-m4_define([m4_car], [$1])
-m4_define([_m4_foreach],
-[m4_if(m4_quote($2), [], [],
- [m4_define([$1], [m4_car($2)])$3[]_m4_foreach([$1],
- [m4_shift($2)],
- [$3])])])
-
-
-
-## --------------------------- ##
-## 8. More diversion support. ##
-## --------------------------- ##
-
-
-# _m4_divert(DIVERSION-NAME or NUMBER)
-# ------------------------------------
-# If DIVERSION-NAME is the name of a diversion, return its number,
-# otherwise if is a NUMBER return it.
-m4_define([_m4_divert],
-[m4_ifdef([_m4_divert($1)],
- [m4_indir([_m4_divert($1)])],
- [$1])])
-
-# KILL is only used to suppress output.
-m4_define([_m4_divert(KILL)], -1)
-
-
-# m4_divert(DIVERSION-NAME)
-# -------------------------
-# Change the diversion stream to DIVERSION-NAME.
-m4_define([m4_divert],
-[m4_define([m4_divert_stack],
- m4_location[: $0: $1]m4_ifdef([m4_divert_stack], [
-m4_defn([m4_divert_stack])]))dnl
-m4_builtin([divert], _m4_divert([$1]))dnl
-])
-
-
-# m4_divert_push(DIVERSION-NAME)
-# ------------------------------
-# Change the diversion stream to DIVERSION-NAME, while stacking old values.
-m4_define([m4_divert_push],
-[m4_pushdef([m4_divert_stack],
- m4_location[: $0: $1]m4_ifdef([m4_divert_stack], [
-m4_defn([m4_divert_stack])]))dnl
-m4_pushdef([_m4_divert_diversion], [$1])dnl
-m4_builtin([divert], _m4_divert(_m4_divert_diversion))dnl
-])
-
-
-# m4_divert_pop([DIVERSION-NAME])
-# -------------------------------
-# Change the diversion stream to its previous value, unstacking it.
-# If specified, verify we left DIVERSION-NAME.
-m4_define([m4_divert_pop],
-[m4_ifval([$1],
- [m4_if(_m4_divert([$1]), m4_divnum, [],
- [m4_fatal([$0($1): unexpected current diversion: ]m4_divnum)])])dnl
-m4_popdef([_m4_divert_diversion])dnl
-dnl m4_ifndef([_m4_divert_diversion],
-dnl [m4_fatal([too many m4_divert_pop])])dnl
-m4_builtin([divert],
- m4_ifdef([_m4_divert_diversion],
- [_m4_divert(_m4_divert_diversion)], -1))dnl
-m4_popdef([m4_divert_stack])dnl
-])
-
-
-# m4_divert_text(DIVERSION-NAME, CONTENT)
-# ---------------------------------------
-# Output CONTENT into DIVERSION-NAME (which may be a number actually).
-# An end of line is appended for free to CONTENT.
-m4_define([m4_divert_text],
-[m4_divert_push([$1])dnl
-$2
-m4_divert_pop([$1])dnl
-])
-
-
-# m4_divert_once(DIVERSION-NAME, CONTENT)
-# ---------------------------------------
-# Output once CONTENT into DIVERSION-NAME (which may be a number
-# actually). An end of line is appended for free to CONTENT.
-m4_define([m4_divert_once],
-[m4_expand_once([m4_divert_text([$1], [$2])])])
-
-
-# m4_undivert(DIVERSION-NAME)
-# ---------------------------
-# Undivert DIVERSION-NAME.
-m4_define([m4_undivert],
-[m4_builtin([undivert], _m4_divert([$1]))])
-
-
-
-
-## -------------------------------------------- ##
-## 8. Defining macros with bells and whistles. ##
-## -------------------------------------------- ##
-
-# `m4_defun' is basically `m4_define' but it equips the macro with the
-# needed machinery for `m4_require'. A macro must be m4_defun'd if
-# either it is m4_require'd, or it m4_require's.
-#
-# Two things deserve attention and are detailed below:
-# 1. Implementation of m4_require
-# 2. Keeping track of the expansion stack
-#
-# 1. Implementation of m4_require
-# ===============================
-#
-# Of course m4_defun AC_PROVIDE's the macro, so that a macro which has
-# been expanded is not expanded again when m4_require'd, but the
-# difficult part is the proper expansion of macros when they are
-# m4_require'd.
-#
-# The implementation is based on two ideas, (i) using diversions to
-# prepare the expansion of the macro and its dependencies (by François
-# Pinard), and (ii) expand the most recently m4_require'd macros _after_
-# the previous macros (by Axel Thimm).
-#
-#
-# The first idea: why using diversions?
-# -------------------------------------
-#
-# When a macro requires another, the other macro is expanded in new
-# diversion, GROW. When the outer macro is fully expanded, we first
-# undivert the most nested diversions (GROW - 1...), and finally
-# undivert GROW. To understand why we need several diversions,
-# consider the following example:
-#
-# | m4_defun([TEST1], [Test...REQUIRE([TEST2])1])
-# | m4_defun([TEST2], [Test...REQUIRE([TEST3])2])
-# | m4_defun([TEST3], [Test...3])
-#
-# Because m4_require is not required to be first in the outer macros, we
-# must keep the expansions of the various level of m4_require separated.
-# Right before executing the epilogue of TEST1, we have:
-#
-# GROW - 2: Test...3
-# GROW - 1: Test...2
-# GROW: Test...1
-# BODY:
-#
-# Finally the epilogue of TEST1 undiverts GROW - 2, GROW - 1, and
-# GROW into the regular flow, BODY.
-#
-# GROW - 2:
-# GROW - 1:
-# GROW:
-# BODY: Test...3; Test...2; Test...1
-#
-# (The semicolons are here for clarification, but of course are not
-# emitted.) This is what Autoconf 2.0 (I think) to 2.13 (I'm sure)
-# implement.
-#
-#
-# The second idea: first required first out
-# -----------------------------------------
-#
-# The natural implementation of the idea above is buggy and produces
-# very surprising results in some situations. Let's consider the
-# following example to explain the bug:
-#
-# | m4_defun([TEST1], [REQUIRE([TEST2a])REQUIRE([TEST2b])])
-# | m4_defun([TEST2a], [])
-# | m4_defun([TEST2b], [REQUIRE([TEST3])])
-# | m4_defun([TEST3], [REQUIRE([TEST2a])])
-# |
-# | AC_INIT
-# | TEST1
-#
-# The dependencies between the macros are:
-#
-# 3 --- 2b
-# / \ is m4_require'd by
-# / \ left -------------------- right
-# 2a ------------ 1
-#
-# If you strictly apply the rules given in the previous section you get:
-#
-# GROW - 2: TEST3
-# GROW - 1: TEST2a; TEST2b
-# GROW: TEST1
-# BODY:
-#
-# (TEST2a, although required by TEST3 is not expanded in GROW - 3
-# because is has already been expanded before in GROW - 1, so it has
-# been AC_PROVIDE'd, so it is not expanded again) so when you undivert
-# the stack of diversions, you get:
-#
-# GROW - 2:
-# GROW - 1:
-# GROW:
-# BODY: TEST3; TEST2a; TEST2b; TEST1
-#
-# i.e., TEST2a is expanded after TEST3 although the latter required the
-# former.
-#
-# Starting from 2.50, uses an implementation provided by Axel Thimm.
-# The idea is simple: the order in which macros are emitted must be the
-# same as the one in which macro are expanded. (The bug above can
-# indeed be described as: a macro has been AC_PROVIDE'd, but it is
-# emitted after: the lack of correlation between emission and expansion
-# order is guilty).
-#
-# How to do that? You keeping the stack of diversions to elaborate the
-# macros, but each time a macro is fully expanded, emit it immediately.
-#
-# In the example above, when TEST2a is expanded, but it's epilogue is
-# not run yet, you have:
-#
-# GROW - 2:
-# GROW - 1: TEST2a
-# GROW: Elaboration of TEST1
-# BODY:
-#
-# The epilogue of TEST2a emits it immediately:
-#
-# GROW - 2:
-# GROW - 1:
-# GROW: Elaboration of TEST1
-# BODY: TEST2a
-#
-# TEST2b then requires TEST3, so right before the epilogue of TEST3, you
-# have:
-#
-# GROW - 2: TEST3
-# GROW - 1: Elaboration of TEST2b
-# GROW: Elaboration of TEST1
-# BODY: TEST2a
-#
-# The epilogue of TEST3 emits it:
-#
-# GROW - 2:
-# GROW - 1: Elaboration of TEST2b
-# GROW: Elaboration of TEST1
-# BODY: TEST2a; TEST3
-#
-# TEST2b is now completely expanded, and emitted:
-#
-# GROW - 2:
-# GROW - 1:
-# GROW: Elaboration of TEST1
-# BODY: TEST2a; TEST3; TEST2b
-#
-# and finally, TEST1 is finished and emitted:
-#
-# GROW - 2:
-# GROW - 1:
-# GROW:
-# BODY: TEST2a; TEST3; TEST2b: TEST1
-#
-# The idea, is simple, but the implementation is a bit evolved. If you
-# are like me, you will want to see the actual functioning of this
-# implementation to be convinced. The next section gives the full
-# details.
-#
-#
-# The Axel Thimm implementation at work
-# -------------------------------------
-#
-# We consider the macros above, and this configure.ac:
-#
-# AC_INIT
-# TEST1
-#
-# You should keep the definitions of _m4_defun_pro, _m4_defun_epi, and
-# m4_require at hand to follow the steps.
-#
-# This implements tries not to assume that of the current diversion is
-# BODY, so as soon as a macro (m4_defun'd) is expanded, we first
-# record the current diversion under the name _m4_divert_dump (denoted
-# DUMP below for short). This introduces an important difference with
-# the previous versions of Autoconf: you cannot use m4_require if you
-# were not inside an m4_defun'd macro, and especially, you cannot
-# m4_require directly from the top level.
-#
-# We have not tried to simulate the old behavior (better yet, we
-# diagnose it), because it is too dangerous: a macro m4_require'd from
-# the top level is expanded before the body of `configure', i.e., before
-# any other test was run. I let you imagine the result of requiring
-# AC_STDC_HEADERS for instance, before AC_PROG_CC was actually run....
-#
-# After AC_INIT was run, the current diversion is BODY.
-# * AC_INIT was run
-# DUMP: undefined
-# diversion stack: BODY |-
-#
-# * TEST1 is expanded
-# The prologue of TEST1 sets AC_DIVERSION_DUMP, which is the diversion
-# where the current elaboration will be dumped, to the current
-# diversion. It also m4_divert_push to GROW, where the full
-# expansion of TEST1 and its dependencies will be elaborated.
-# DUMP: BODY
-# BODY: empty
-# diversions: GROW, BODY |-
-#
-# * TEST1 requires TEST2a: prologue
-# m4_require m4_divert_pushes another temporary diversion GROW - 1 (in
-# fact, the diversion whose number is one less than the current
-# diversion), and expands TEST2a in there.
-# DUMP: BODY
-# BODY: empty
-# diversions: GROW-1, GROW, BODY |-
-#
-# * TEST2a is expanded.
-# Its prologue pushes the current diversion again.
-# DUMP: BODY
-# BODY: empty
-# diversions: GROW - 1, GROW - 1, GROW, BODY |-
-# It is expanded in GROW - 1, and GROW - 1 is popped by the epilogue
-# of TEST2a.
-# DUMP: BODY
-# BODY: nothing
-# GROW - 1: TEST2a
-# diversions: GROW - 1, GROW, BODY |-
-#
-# * TEST1 requires TEST2a: epilogue
-# The content of the current diversion is appended to DUMP (and removed
-# from the current diversion). A diversion is popped.
-# DUMP: BODY
-# BODY: TEST2a
-# diversions: GROW, BODY |-
-#
-# * TEST1 requires TEST2b: prologue
-# m4_require pushes GROW - 1 and expands TEST2b.
-# DUMP: BODY
-# BODY: TEST2a
-# diversions: GROW - 1, GROW, BODY |-
-#
-# * TEST2b is expanded.
-# Its prologue pushes the current diversion again.
-# DUMP: BODY
-# BODY: TEST2a
-# diversions: GROW - 1, GROW - 1, GROW, BODY |-
-# The body is expanded here.
-#
-# * TEST2b requires TEST3: prologue
-# m4_require pushes GROW - 2 and expands TEST3.
-# DUMP: BODY
-# BODY: TEST2a
-# diversions: GROW - 2, GROW - 1, GROW - 1, GROW, BODY |-
-#
-# * TEST3 is expanded.
-# Its prologue pushes the current diversion again.
-# DUMP: BODY
-# BODY: TEST2a
-# diversions: GROW-2, GROW-2, GROW-1, GROW-1, GROW, BODY |-
-# TEST3 requires TEST2a, but TEST2a has already been AC_PROVIDE'd, so
-# nothing happens. It's body is expanded here, and its epilogue pops a
-# diversion.
-# DUMP: BODY
-# BODY: TEST2a
-# GROW - 2: TEST3
-# diversions: GROW - 2, GROW - 1, GROW - 1, GROW, BODY |-
-#
-# * TEST2b requires TEST3: epilogue
-# The current diversion is appended to DUMP, and a diversion is popped.
-# DUMP: BODY
-# BODY: TEST2a; TEST3
-# diversions: GROW - 1, GROW - 1, GROW, BODY |-
-# The content of TEST2b is expanded here.
-# DUMP: BODY
-# BODY: TEST2a; TEST3
-# GROW - 1: TEST2b,
-# diversions: GROW - 1, GROW - 1, GROW, BODY |-
-# The epilogue of TEST2b pops a diversion.
-# DUMP: BODY
-# BODY: TEST2a; TEST3
-# GROW - 1: TEST2b,
-# diversions: GROW - 1, GROW, BODY |-
-#
-# * TEST1 requires TEST2b: epilogue
-# The current diversion is appended to DUMP, and a diversion is popped.
-# DUMP: BODY
-# BODY: TEST2a; TEST3; TEST2b
-# diversions: GROW, BODY |-
-#
-# * TEST1 is expanded: epilogue
-# TEST1's own content is in GROW, and it's epilogue pops a diversion.
-# DUMP: BODY
-# BODY: TEST2a; TEST3; TEST2b
-# GROW: TEST1
-# diversions: BODY |-
-# Here, the epilogue of TEST1 notices the elaboration is done because
-# DUMP and the current diversion are the same, it then undiverts
-# GROW by hand, and undefines DUMP.
-# DUMP: undefined
-# BODY: TEST2a; TEST3; TEST2b; TEST1
-# diversions: BODY |-
-#
-#
-# 2. Keeping track of the expansion stack
-# =======================================
-#
-# When M4 expansion goes wrong it is often extremely hard to find the
-# path amongst macros that drove to the failure. What is needed is
-# the stack of macro `calls'. One could imagine that GNU M4 would
-# maintain a stack of macro expansions, unfortunately it doesn't, so
-# we do it by hand. This is of course extremely costly, but the help
-# this stack provides is worth it. Nevertheless to limit the
-# performance penalty this is implemented only for m4_defun'd macros,
-# not for define'd macros.
-#
-# The scheme is simplistic: each time we enter an m4_defun'd macros,
-# we prepend its name in m4_expansion_stack, and when we exit the
-# macro, we remove it (thanks to pushdef/popdef).
-#
-# In addition, we want to use the expansion stack to detect circular
-# m4_require dependencies. This means we need to browse the stack to
-# check whether a macro being expanded is m4_require'd. For ease of
-# implementation, and certainly for the benefit of performances, we
-# don't browse the m4_expansion_stack, rather each time we expand a
-# macro FOO we define _m4_expanding(FOO). Then m4_require(BAR) simply
-# needs to check whether _m4_expanding(BAR) is defined to diagnose a
-# circular dependency.
-#
-# To improve the diagnostic, in addition to keeping track of the stack
-# of macro calls, m4_expansion_stack also records the m4_require
-# stack. Note that therefore an m4_defun'd macro being required will
-# appear twice in the stack: the first time because it is required,
-# the second because it is expanded. We can avoid this, but it has
-# two small drawbacks: (i) the implementation is slightly more
-# complex, and (ii) it hides the difference between define'd macros
-# (which don't appear in m4_expansion_stack) and m4_defun'd macros
-# (which do). The more debugging information, the better.
-
-
-# m4_expansion_stack_push(TEXT)
-# -----------------------------
-m4_define([m4_expansion_stack_push],
-[m4_pushdef([m4_expansion_stack],
- [$1]m4_ifdef([m4_expansion_stack], [
-m4_defn([m4_expansion_stack])]))])
-
-
-# m4_expansion_stack_pop
-# ----------------------
-# Dump the expansion stack.
-m4_define([m4_expansion_stack_pop],
-[m4_popdef([m4_expansion_stack])])
-
-
-# m4_expansion_stack_dump
-# -----------------------
-# Dump the expansion stack.
-m4_define([m4_expansion_stack_dump],
-[m4_ifdef([m4_expansion_stack],
- [m4_errprintn(m4_defn([m4_expansion_stack]))])dnl
-m4_errprintn(m4_location[: the top level])])
-
-
-# _m4_divert(GROW)
-# ----------------
-# This diversion is used by the m4_defun/m4_require machinery. It is
-# important to keep room before GROW because for each nested
-# AC_REQUIRE we use an additional diversion (i.e., two m4_require's
-# will use GROW - 2. More than 3 levels has never seemed to be
-# needed.)
-#
-# ...
-# - GROW - 2
-# m4_require'd code, 2 level deep
-# - GROW - 1
-# m4_require'd code, 1 level deep
-# - GROW
-# m4_defun'd macros are elaborated here.
-
-m4_define([_m4_divert(GROW)], 10000)
-
-
-# _m4_defun_pro(MACRO-NAME)
-# -------------------------
-# The prologue for Autoconf macros.
-m4_define([_m4_defun_pro],
-[m4_expansion_stack_push(m4_defn([m4_location($1)])[: $1 is expanded from...])dnl
-m4_pushdef([_m4_expanding($1)])dnl
-m4_ifdef([_m4_divert_dump],
- [m4_divert_push(m4_defn([_m4_divert_diversion]))],
- [m4_copy([_m4_divert_diversion], [_m4_divert_dump])dnl
-m4_divert_push([GROW])])dnl
-])
-
-
-# _m4_defun_epi(MACRO-NAME)
-# -------------------------
-# The Epilogue for Autoconf macros. MACRO-NAME only helps tracing
-# the PRO/EPI pairs.
-m4_define([_m4_defun_epi],
-[m4_divert_pop()dnl
-m4_if(_m4_divert_dump, _m4_divert_diversion,
- [m4_undivert([GROW])dnl
-m4_undefine([_m4_divert_dump])])dnl
-m4_expansion_stack_pop()dnl
-m4_popdef([_m4_expanding($1)])dnl
-m4_provide([$1])dnl
-])
-
-
-# m4_defun(NAME, EXPANSION)
-# -------------------------
-# Define a macro which automatically provides itself. Add machinery
-# so the macro automatically switches expansion to the diversion
-# stack if it is not already using it. In this case, once finished,
-# it will bring back all the code accumulated in the diversion stack.
-# This, combined with m4_require, achieves the topological ordering of
-# macros. We don't use this macro to define some frequently called
-# macros that are not involved in ordering constraints, to save m4
-# processing.
-m4_define([m4_defun],
-[m4_define([m4_location($1)], m4_location)dnl
-m4_define([$1],
- [_m4_defun_pro([$1])$2[]_m4_defun_epi([$1])])])
-
-
-# m4_defun_once(NAME, EXPANSION)
-# ------------------------------
-# As m4_defun, but issues the EXPANSION only once, and warns if used
-# several times.
-m4_define([m4_defun_once],
-[m4_define([m4_location($1)], m4_location)dnl
-m4_define([$1],
- [m4_provide_ifelse([$1],
- [m4_warn([syntax], [$1 invoked multiple times])],
- [_m4_defun_pro([$1])$2[]_m4_defun_epi([$1])])])])
-
-
-# m4_pattern_forbid(ERE)
-# ----------------------
-# Declare that no token matching the extended regular expression ERE
-# should be seen in the output but if...
-m4_define([m4_pattern_forbid],
-[m4_file_append(m4_defn([m4_tmpdir])/forbidden.rx, [$1])])
-
-
-# m4_pattern_allow(ERE)
-# ---------------------
-# ... but if that token matches the extended regular expression ERE.
-m4_define([m4_pattern_allow],
-[m4_file_append(m4_defn([m4_tmpdir])/allowed.rx, [$1])])
-
-
-## ----------------------------- ##
-## Dependencies between macros. ##
-## ----------------------------- ##
-
-
-# m4_before(THIS-MACRO-NAME, CALLED-MACRO-NAME)
-# ---------------------------------------------
-m4_define([m4_before],
-[m4_provide_ifelse([$2],
- [m4_warn([syntax], [$2 was called before $1])])])
-
-
-# m4_require(NAME-TO-CHECK, [BODY-TO-EXPAND = NAME-TO-CHECK])
-# -----------------------------------------------------------
-# If NAME-TO-CHECK has never been expanded (actually, if it is not
-# m4_provide'd), expand BODY-TO-EXPAND *before* the current macro
-# expansion. Once expanded, emit it in _m4_divert_dump. Keep track
-# of the m4_require chain in m4_expansion_stack.
-#
-# The normal cases are:
-#
-# - NAME-TO-CHECK == BODY-TO-EXPAND
-# Which you can use for regular macros with or without arguments, e.g.,
-# m4_require([AC_PROG_CC], [AC_PROG_CC])
-# m4_require([AC_CHECK_HEADERS(limits.h)], [AC_CHECK_HEADERS(limits.h)])
-# which is just the same as
-# m4_require([AC_PROG_CC])
-# m4_require([AC_CHECK_HEADERS(limits.h)])
-#
-# - BODY-TO-EXPAND == m4_indir([NAME-TO-CHECK])
-# In the case of macros with irregular names. For instance:
-# m4_require([AC_LANG_COMPILER(C)], [indir([AC_LANG_COMPILER(C)])])
-# which means `if the macro named `AC_LANG_COMPILER(C)' (the parens are
-# part of the name, it is not an argument) has not been run, then
-# call it.'
-# Had you used
-# m4_require([AC_LANG_COMPILER(C)], [AC_LANG_COMPILER(C)])
-# then m4_require would have tried to expand `AC_LANG_COMPILER(C)', i.e.,
-# call the macro `AC_LANG_COMPILER' with `C' as argument.
-#
-# You could argue that `AC_LANG_COMPILER', when it receives an argument
-# such as `C' should dispatch the call to `AC_LANG_COMPILER(C)'. But this
-# `extension' prevents `AC_LANG_COMPILER' from having actual arguments that
-# it passes to `AC_LANG_COMPILER(C)'.
-m4_define([m4_require],
-[m4_expansion_stack_push(m4_location[: $1 is required by...])dnl
-m4_ifdef([_m4_expanding($1)],
- [m4_fatal([$0: circular dependency of $1])])dnl
-m4_ifndef([_m4_divert_dump],
- [m4_fatal([$0: cannot be used outside of an m4_defun'd macro])])dnl
-m4_provide_ifelse([$1],
- [],
- [m4_divert_push(m4_eval(m4_divnum - 1))dnl
-m4_default([$2], [$1])
-m4_divert(m4_defn([_m4_divert_dump]))dnl
-m4_undivert(m4_defn([_m4_divert_diversion]))dnl
-m4_divert_pop(m4_defn([_m4_divert_dump]))])dnl
-m4_provide_ifelse([$1],
- [],
- [m4_warn([syntax],
- [$1 is m4_require'd but is not m4_defun'd])])dnl
-m4_expansion_stack_pop()dnl
-])
-
-
-# m4_expand_once(TEXT, [WITNESS = TEXT])
-# --------------------------------------
-# If TEXT has never been expanded, expand it *here*. Use WITNESS as
-# as a memory that TEXT has already been expanded.
-m4_define([m4_expand_once],
-[m4_provide_ifelse(m4_ifval([$2], [[$2]], [[$1]]),
- [],
- [m4_provide(m4_ifval([$2], [[$2]], [[$1]]))[]$1])])
-
-
-# m4_provide(MACRO-NAME)
-# ----------------------
-m4_define([m4_provide],
-[m4_define([m4_provide($1)])])
-
-
-# m4_provide_ifelse(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)
-# -----------------------------------------------------------
-# If MACRO-NAME is provided do IF-PROVIDED, else IF-NOT-PROVIDED.
-# The purpose of this macro is to provide the user with a means to
-# check macros which are provided without letting her know how the
-# information is coded.
-m4_define([m4_provide_ifelse],
-[m4_ifdef([m4_provide($1)],
- [$2], [$3])])
-
-
-## -------------------- ##
-## 9. Text processing. ##
-## -------------------- ##
-
-# m4_cr_letters
-# m4_cr_LETTERS
-# m4_cr_Letters
-# -------------
-m4_define([m4_cr_letters], [abcdefghijklmnopqrstuvwxyz])
-m4_define([m4_cr_LETTERS], [ABCDEFGHIJKLMNOPQRSTUVWXYZ])
-m4_define([m4_cr_Letters],
-m4_defn([m4_cr_letters])dnl
-m4_defn([m4_cr_LETTERS])dnl
-)
-
-# m4_cr_digits
-# ------------
-m4_define([m4_cr_digits], [0123456789])
-
-
-# m4_cr_symbols1 & m4_cr_symbols2
-# -------------------------------
-m4_define([m4_cr_symbols1],
-m4_defn([m4_cr_Letters])dnl
-_)
-
-m4_define([m4_cr_symbols2],
-m4_defn([m4_cr_symbols1])dnl
-m4_defn([m4_cr_digits])dnl
-)
-
-
-# m4_re_string
-# ------------
-# Regexp for `[a-zA-Z_0-9]*'
-m4_define([m4_re_string],
-m4_dquote(m4_defn([m4_cr_symbols2]))dnl
-[*]dnl
-)
-
-
-# m4_re_word
-# ----------
-# Regexp for `[a-zA-Z_][a-zA-Z_0-9]*'
-m4_define([m4_re_word],
-m4_dquote(m4_defn([m4_cr_symbols1]))dnl
-m4_defn([m4_re_string])dnl
-)
-
-# m4_tolower(STRING)
-# m4_toupper(STRING)
-# ------------------
-# These macros lowercase and uppercase strings.
-m4_define([m4_tolower],
-[m4_translit([$1],
- [ABCDEFGHIJKLMNOPQRSTUVWXYZ],
- [abcdefghijklmnopqrstuvwxyz])])
-
-m4_define([m4_toupper],
-[m4_translit([$1],
- [abcdefghijklmnopqrstuvwxyz],
- [ABCDEFGHIJKLMNOPQRSTUVWXYZ])])
-
-
-# m4_split(STRING, [REGEXP])
-# --------------------------
-#
-# Split STRING into an m4 list of quoted elements. The elements are
-# quoted with [ and ]. Beginning spaces and end spaces *are kept*.
-# Use m4_strip to remove them.
-#
-# REGEXP specifies where to split. Default is [\t ]+.
-#
-# Pay attention to the m4_changequotes. Inner m4_changequotes exist for
-# obvious reasons (we want to insert square brackets). Outer
-# m4_changequotes are needed because otherwise the m4 parser, when it
-# sees the closing bracket we add to the result, believes it is the
-# end of the body of the macro we define.
-#
-# Also, notice that $1 is quoted twice, since we want the result to
-# be quoted. Then you should understand that the argument of
-# patsubst is ``STRING'' (i.e., with additional `` and '').
-#
-# This macro is safe on active symbols, i.e.:
-# m4_define(active, ACTIVE)
-# m4_split([active active ])end
-# => [active], [active], []end
-
-m4_changequote(<<, >>)
-m4_define(<<m4_split>>,
-<<m4_changequote(``, '')dnl
-[dnl Can't use m4_default here instead of m4_if, because m4_default uses
-dnl [ and ] as quotes.
-m4_patsubst(````$1'''',
- m4_if(``$2'',, ``[ ]+'', ``$2''),
- ``], ['')]dnl
-m4_changequote([, ])>>)
-m4_changequote([, ])
-
-
-
-# m4_flatten(STRING)
-# ------------------
-# If STRING contains end of lines, replace them with spaces. If there
-# are backslashed end of lines, remove them. This macro is safe with
-# active symbols.
-# m4_define(active, ACTIVE)
-# m4_flatten([active
-# act\
-# ive])end
-# => active activeend
-m4_define([m4_flatten],
-[m4_translit(m4_patsubst([[[$1]]], [\\
-]), [
-], [ ])])
-
-
-# m4_strip(STRING)
-# ----------------
-# Expands into STRING with tabs and spaces singled out into a single
-# space, and removing leading and trailing spaces.
-#
-# This macro is robust to active symbols.
-# m4_define(active, ACTIVE)
-# m4_strip([ active active ])end
-# => active activeend
-#
-# This macro is fun! Because we want to preserve active symbols, STRING
-# must be quoted for each evaluation, which explains there are 4 levels
-# of brackets around $1 (don't forget that the result must be quoted
-# too, hence one more quoting than applications).
-#
-# Then notice the patsubst of the middle: it is in charge of removing
-# the leading space. Why not just `patsubst(..., [^ ])'? Because this
-# macro will receive the output of the preceding patsubst, i.e. more or
-# less [[STRING]]. So if there is a leading space in STRING, then it is
-# the *third* character, since there are two leading `['; Equally for
-# the outer patsubst.
-m4_define([m4_strip],
-[m4_patsubst(m4_patsubst(m4_patsubst([[[[$1]]]],
- [[ ]+], [ ]),
- [^\(..\) ], [\1]),
- [ \(.\)$], [\1])])
-
-
-# m4_normalize(STRING)
-# --------------------
-# Apply m4_flatten and m4_strip to STRING.
-#
-# The argument is quoted, so that the macro is robust to active symbols:
-#
-# m4_define(active, ACTIVE)
-# m4_normalize([ act\
-# ive
-# active ])end
-# => active activeend
-
-m4_define([m4_normalize],
-[m4_strip(m4_flatten([$1]))])
-
-
-
-# m4_join(SEP, ARG1, ARG2...)
-# ---------------------------
-# Produce ARG1SEPARG2...SEPARGn.
-m4_defun([m4_join],
-[m4_case([$#],
- [1], [],
- [2], [[$2]],
- [[$2][$1]m4_join([$1], m4_shift(m4_shift($@)))])])
-
-
-
-# m4_append(MACRO-NAME, STRING)
-# -----------------------------
-# Redefine MACRO-NAME to hold its former content plus STRING at the
-# end. It is valid to use this macro with MACRO-NAME undefined.
-#
-# This macro is robust to active symbols. It can be used to grow
-# strings.
-#
-# | m4_define(active, ACTIVE)
-# | m4_append([sentence], [This is an])
-# | m4_append([sentence], [ active ])
-# | m4_append([sentence], [symbol.])
-# | sentence
-# | m4_undefine([active])dnl
-# | sentence
-# => This is an ACTIVE symbol.
-# => This is an active symbol.
-#
-# It can be used to define hooks.
-#
-# | m4_define(active, ACTIVE)
-# | m4_append([hooks], [m4_define([act1], [act2])])
-# | m4_append([hooks], [m4_define([act2], [active])])
-# | m4_undefine([active])
-# | act1
-# | hooks
-# | act1
-# => act1
-# =>
-# => active
-m4_define([m4_append],
-[m4_define([$1],
- m4_ifdef([$1], [m4_defn([$1])])[$2])])
-
-
-# m4_list_append(MACRO-NAME, STRING)
-# ----------------------------------
-# Same as `m4_append', but each element is separated by `, '.
-m4_define([m4_list_append],
-[m4_define([$1],
- m4_ifdef([$1], [m4_defn([$1]), ])[$2])])
-
-
-# m4_foreach_quoted(VARIABLE, LIST, EXPRESSION)
-# ---------------------------------------------
-# FIXME: This macro should not exists. Currently it's used only in
-# m4_wrap, which needs to be rewritten. But it's godam hard.
-m4_define([m4_foreach_quoted],
-[m4_pushdef([$1], [])_m4_foreach_quoted($@)m4_popdef([$1])])
-
-# Low level macros used to define m4_foreach.
-m4_define([m4_car_quoted], [[$1]])
-m4_define([_m4_foreach_quoted],
-[m4_if($2, [()], ,
- [m4_define([$1], [m4_car_quoted$2])$3[]_m4_foreach_quoted([$1],
- [(m4_shift$2)],
- [$3])])])
-
-
-# m4_text_wrap(STRING, [PREFIX], [FIRST-PREFIX], [WIDTH])
-# -------------------------------------------------------
-# Expands into STRING wrapped to hold in WIDTH columns (default = 79).
-# If prefix is set, each line is prefixed with it. If FIRST-PREFIX is
-# specified, then the first line is prefixed with it. As a special
-# case, if the length of the first prefix is greater than that of
-# PREFIX, then FIRST-PREFIX will be left alone on the first line.
-#
-# Typical outputs are:
-#
-# m4_text_wrap([Short string */], [ ], [/* ], 20)
-# => /* Short string */
-#
-# m4_text_wrap([Much longer string */], [ ], [/* ], 20)
-# => /* Much longer
-# => string */
-#
-# m4_text_wrap([Short doc.], [ ], [ --short ], 30)
-# => --short Short doc.
-#
-# m4_text_wrap([Short doc.], [ ], [ --too-wide ], 30)
-# => --too-wide
-# => Short doc.
-#
-# m4_text_wrap([Super long documentation.], [ ], [ --too-wide ], 30)
-# => --too-wide
-# => Super long
-# => documentation.
-#
-# FIXME: there is no checking of a longer PREFIX than WIDTH, but do
-# we really want to bother with people trying each single corner
-# of a software?
-#
-# This macro does not leave a trailing space behind the last word,
-# what complicates it a bit. The algorithm is stupid simple: all the
-# words are preceded by m4_Separator which is defined to empty for the
-# first word, and then ` ' (single space) for all the others.
-m4_define([m4_text_wrap],
-[m4_pushdef([m4_Prefix], m4_default([$2], []))dnl
-m4_pushdef([m4_Prefix1], m4_default([$3], [m4_Prefix]))dnl
-m4_pushdef([m4_Width], m4_default([$4], 79))dnl
-m4_pushdef([m4_Cursor], m4_len(m4_Prefix1))dnl
-m4_pushdef([m4_Separator], [])dnl
-m4_Prefix1[]dnl
-m4_if(m4_eval(m4_Cursor > m4_len(m4_Prefix)),
- 1, [m4_define([m4_Cursor], m4_len(m4_Prefix))
-m4_Prefix])[]dnl
-m4_foreach_quoted([m4_Word], (m4_split(m4_normalize([$1]))),
-[m4_define([m4_Cursor], m4_eval(m4_Cursor + len(m4_Word) + 1))dnl
-dnl New line if too long, else insert a space unless it is the first
-dnl of the words.
-m4_if(m4_eval(m4_Cursor > m4_Width),
- 1, [m4_define([m4_Cursor],
- m4_eval(m4_len(m4_Prefix) + m4_len(m4_Word) + 1))]
-m4_Prefix,
- [m4_Separator])[]dnl
-m4_Word[]dnl
-m4_define([m4_Separator], [ ])])dnl
-m4_popdef([m4_Separator])dnl
-m4_popdef([m4_Cursor])dnl
-m4_popdef([m4_Width])dnl
-m4_popdef([m4_Prefix1])dnl
-m4_popdef([m4_Prefix])dnl
-])
-
-
-
-## ----------------------- ##
-## 10. Number processing. ##
-## ----------------------- ##
-
-# m4_sign(A)
-# ----------
-#
-# The sign of the integer A.
-m4_define([m4_sign],
-[m4_match([$1],
- [^-], -1,
- [^0+], 0,
- 1)])
-
-# m4_cmp(A, B)
-# ------------
-#
-# Compare two integers.
-# A < B -> -1
-# A = B -> 0
-# A > B -> 1
-m4_define([m4_cmp],
-[m4_sign(m4_eval([$1 - $2]))])
-
-
-# m4_list_cmp(A, B)
-# -----------------
-#
-# Compare the two lists of integers A and B. For instance:
-# m4_list_cmp((1, 0), (1)) -> 0
-# m4_list_cmp((1, 0), (1, 0)) -> 0
-# m4_list_cmp((1, 2), (1, 0)) -> 1
-# m4_list_cmp((1, 2, 3), (1, 2)) -> 1
-# m4_list_cmp((1, 2, -3), (1, 2)) -> -1
-# m4_list_cmp((1, 0), (1, 2)) -> -1
-# m4_list_cmp((1), (1, 2)) -> -1
-m4_define([m4_list_cmp],
-[m4_if([$1$2], [()()], 0,
- [$1], [()], [m4_list_cmp((0), [$2])],
- [$2], [()], [m4_list_cmp([$1], (0))],
- [m4_case(m4_cmp(m4_car$1, m4_car$2),
- -1, -1,
- 1, 1,
- 0, [m4_list_cmp((m4_shift$1), (m4_shift$2))])])])
-
-
-
-## ------------------------ ##
-## 11. Version processing. ##
-## ------------------------ ##
-
-
-# m4_version_unletter(VERSION)
-# ----------------------------
-# Normalize beta version numbers with letters to numbers only for comparison.
-#
-# Nl -> (N+1).-1.(l#)
-#
-#i.e., 2.14a -> 2.15.-1.1, 2.14b -> 2.15.-1.2, etc.
-# This macro is absolutely not robust to active macro, it expects
-# reasonable version numbers and is valid up to `z', no double letters.
-m4_define([m4_version_unletter],
-[m4_translit(m4_patsubst(m4_patsubst(m4_patsubst([$1],
- [\([0-9]+\)\([abcdefghi]\)],
- [m4_eval(\1 + 1).-1.\2]),
- [\([0-9]+\)\([jklmnopqrs]\)],
- [m4_eval(\1 + 1).-1.1\2]),
- [\([0-9]+\)\([tuvwxyz]\)],
- [m4_eval(\1 + 1).-1.2\2]),
- [abcdefghijklmnopqrstuvwxyz],
- [12345678901234567890123456])])
-
-
-# m4_version_compare(VERSION-1, VERSION-2)
-# ----------------------------------------
-# Compare the two version numbers and expand into
-# -1 if VERSION-1 < VERSION-2
-# 0 if =
-# 1 if >
-m4_define([m4_version_compare],
-[m4_list_cmp((m4_split(m4_version_unletter([$1]), [\.])),
- (m4_split(m4_version_unletter([$2]), [\.])))])
-
-
-
-## ------------------- ##
-## 12. File handling. ##
-## ------------------- ##
-
-
-# It is a real pity that M4 comes with no macros to bind a diversion
-# to a file. So we have to deal without, which makes us a lot more
-# fragile that we should.
-
-
-# m4_file_append(FILE-NAME, CONTENT)
-# ----------------------------------
-m4_define([m4_file_append],
-[m4_syscmd([cat >>$1 <<_m4eof
-$2
-_m4eof
-])
-m4_if(m4_sysval, [0], [],
- [m4_fatal([$0: cannot write: $1])])])
-
-
-
-## ------------------------ ##
-## 13. Setting M4sugar up. ##
-## ------------------------ ##
-
-
-# m4_init
-# -------
-m4_define([m4_init],
-[# We need a tmp directory.
-m4_ifndef([m4_tmpdir],
- [m4_define([m4_tmpdir], [/tmp])])
-
-# M4sugar reserves `m4_[A-Za-z0-9_]*'. We'd need \b and +,
-# but they are not portable.
-m4_pattern_forbid([^m4_])
-m4_pattern_forbid([^dnl$])
-
-# Check the divert push/pop perfect balance.
-m4_wrap([m4_ifdef([_m4_divert_diversion],
- [m4_fatal([$0: unbalanced m4_divert_push:]
-m4_defn([m4_divert_stack]))])[]])
-
-m4_divert_push([KILL])
-m4_wrap([m4_divert_pop([KILL])[]])
-])
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.24.
-.TH AUTOCONF "1" "July 2001" "GNU Autoconf 2.52a" FSF
+.TH AUTOCONF "1" "August 2001" "GNU Autoconf 2.52a" FSF
.SH NAME
autoconf \- Generate configuration scripts
.SH SYNOPSIS
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.24.
-.TH AUTOHEADER "1" "July 2001" "GNU Autoconf 2.52a" FSF
+.TH AUTOHEADER "1" "August 2001" "GNU Autoconf 2.52a" FSF
.SH NAME
autoheader \- Create a template header for configure
.SH SYNOPSIS
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.24.
-.TH AUTOM4TE "1" "July 2001" "GNU Autoconf 2.52a" FSF
+.TH AUTOM4TE "1" "August 2001" "GNU Autoconf 2.52a" FSF
.SH NAME
autom4te \- Generate files and scripts thanks to M4
.SH SYNOPSIS
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.24.
-.TH AUTORECONF "1" "July 2001" "GNU Autoconf 2.52a" FSF
+.TH AUTORECONF "1" "August 2001" "GNU Autoconf 2.52a" FSF
.SH NAME
autoreconf \- Update generated configuration files
.SH SYNOPSIS
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.24.
-.TH AUTOSCAN "1" "July 2001" "GNU Autoconf 2.52a" FSF
+.TH AUTOSCAN "1" "August 2001" "GNU Autoconf 2.52a" FSF
.SH NAME
autoscan \- Generate a preliminary configure.in
.SH SYNOPSIS
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.24.
-.TH AUTOUPDATE "1" "July 2001" "GNU Autoconf 2.52a" FSF
+.TH AUTOUPDATE "1" "August 2001" "GNU Autoconf 2.52a" FSF
.SH NAME
autoupdate \- Update a configure.in to a newer Autoconf
.SH SYNOPSIS
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.24.
-.TH IFNAMES "1" "July 2001" "GNU Autoconf 2.52a" FSF
+.TH IFNAMES "1" "August 2001" "GNU Autoconf 2.52a" FSF
.SH NAME
ifnames \- Extract CPP conditionals from a set of files
.SH SYNOPSIS
# We don't actually distribute the testsuite, since one only
# needs m4 to build it, m4 being required anyway to install Autoconf.
EXTRA_DIST = README \
- atgeneral.m4 atspecific.m4 aclocal.m4 \
+ atspecific.m4 aclocal.m4 \
$(SUITE) mktests.sh
check-local: atconfig testsuite
$(SHELL) testsuite
-testsuite: $(top_srcdir)/m4sugar.m4 $(top_srcdir)/m4sh.m4 \
- atgeneral.m4 atspecific.m4 \
+AUTOM4TE = autom4te_perllibdir='$(top_srcdir)/lib' ../autom4te
+testsuite: $(top_srcdir)/lib/m4sugar/m4sugar.m4 \
+ $(top_srcdir)/lib/m4sugar/m4sh.m4 \
+ $(top_srcdir)/lib/autotest/general.m4 \
+ atspecific.m4 \
$(SUITE)
- $(M4) -I $(srcdir) -I $(top_srcdir) atspecific.m4 suite.at | \
- sed -e 's/[ ]*$$//' | \
- sed -e '/^$$/N;/\n$$/D' >$@.tmp
+ $(AUTOM4TE) \
+ -I $(srcdir) -I $(top_srcdir) -I $(top_srcdir)/lib \
+ atspecific.m4 suite.at -o $@.tmp
chmod +x $@.tmp
mv $@.tmp $@
# The files which contains macro we check for syntax. Don't use $(top_srcdir)
# here since below we explicitly `cd' to $srcdir. As for the dependencies,
# thanks God for VPATH. Hm...
-MACRO_FILES = ../acgeneral.m4 \
- ../acspecific.m4 \
- ../acfunctions.m4 \
- ../aclang.m4 \
- ../acheaders.m4 \
- ../actypes.m4
+MACRO_FILES = $(top_srcdir)/lib/autoconf/general.m4 \
+ $(top_srcdir)/lib/autoconf/specific.m4 \
+ $(top_srcdir)/lib/autoconf/functions.m4 \
+ $(top_srcdir)/lib/autoconf/lang.m4 \
+ $(top_srcdir)/lib/autoconf/headers.m4 \
+ $(top_srcdir)/lib/autoconf/types.m4
acgeneral.at: mktests.sh $(MACRO_FILES)
cd $(srcdir) && ./mktests.sh $(MACRO_FILES)
# We don't actually distribute the testsuite, since one only
# needs m4 to build it, m4 being required anyway to install Autoconf.
-EXTRA_DIST = README atgeneral.m4 atspecific.m4 aclocal.m4 $(SUITE) mktests.sh
+EXTRA_DIST = README atspecific.m4 aclocal.m4 $(SUITE) mktests.sh
+AUTOM4TE = autom4te_perllibdir='$(top_srcdir)/lib' ../autom4te
+
# The files which contains macro we check for syntax. Don't use $(top_srcdir)
# here since below we explicitly `cd' to $srcdir. As for the dependencies,
# thanks God for VPATH. Hm...
-MACRO_FILES = ../acgeneral.m4 ../acspecific.m4 ../acfunctions.m4 ../aclang.m4 ../acheaders.m4 ../actypes.m4
+MACRO_FILES = $(top_srcdir)/lib/autoconf/general.m4 $(top_srcdir)/lib/autoconf/specific.m4 $(top_srcdir)/lib/autoconf/functions.m4 $(top_srcdir)/lib/autoconf/lang.m4 $(top_srcdir)/lib/autoconf/headers.m4 $(top_srcdir)/lib/autoconf/types.m4
CLEANFILES = debug-*.sh macro configure configure.in configure.ac config.status config.cache config.log config.h.in config.h config.hin state-* at-* stderr stdout empty config.guess config.sub expr libtool ltconfig ltmain.sh install-sh
check-local: atconfig testsuite
$(SHELL) testsuite
-
-testsuite: $(top_srcdir)/m4sugar.m4 $(top_srcdir)/m4sh.m4 \
- atgeneral.m4 atspecific.m4 \
+testsuite: $(top_srcdir)/lib/m4sugar/m4sugar.m4 \
+ $(top_srcdir)/lib/m4sugar/m4sh.m4 \
+ $(top_srcdir)/lib/autotest/general.m4 \
+ atspecific.m4 \
$(SUITE)
- $(M4) -I $(srcdir) -I $(top_srcdir) atspecific.m4 suite.at | \
- sed -e 's/[ ]*$$//' | \
- sed -e '/^$$/N;/\n$$/D' >$@.tmp
+ $(AUTOM4TE) \
+ -I $(srcdir) -I $(top_srcdir) -I $(top_srcdir)/lib \
+ atspecific.m4 suite.at -o $@.tmp
chmod +x $@.tmp
mv $@.tmp $@
-# Generated by mktests.sh, do not edit by hand. -*- autoconf -*-
+# Generated by mktests.sh, do not edit by hand. -*- Autoconf -*-
-AT_BANNER([Testing acfunctions macros.])
+AT_BANNER([Testing autoconf/functions macros.])
# Modern macros.
AT_CHECK_MACRO([AC_FUNC_ALLOCA])
-# Generated by mktests.sh, do not edit by hand. -*- autoconf -*-
+# Generated by mktests.sh, do not edit by hand. -*- Autoconf -*-
-AT_BANNER([Testing acgeneral macros.])
+AT_BANNER([Testing autoconf/general macros.])
# Modern macros.
AT_CHECK_MACRO([AC_ARG_ENABLE])
-# Generated by mktests.sh, do not edit by hand. -*- autoconf -*-
+# Generated by mktests.sh, do not edit by hand. -*- Autoconf -*-
-AT_BANNER([Testing acheaders macros.])
+AT_BANNER([Testing autoconf/headers macros.])
# Modern macros.
AT_CHECK_MACRO([AC_HEADER_MAJOR])
-# Generated by mktests.sh, do not edit by hand. -*- autoconf -*-
+# Generated by mktests.sh, do not edit by hand. -*- Autoconf -*-
-AT_BANNER([Testing aclang macros.])
+AT_BANNER([Testing autoconf/lang macros.])
# Modern macros.
AT_CHECK_MACRO([AC_C_BIGENDIAN])
-# Generated by mktests.sh, do not edit by hand. -*- autoconf -*-
+# Generated by mktests.sh, do not edit by hand. -*- Autoconf -*-
-AT_BANNER([Testing acspecific macros.])
+AT_BANNER([Testing autoconf/specific macros.])
# Modern macros.
AT_CHECK_MACRO([AC_AIX])
-# Generated by mktests.sh, do not edit by hand. -*- autoconf -*-
+# Generated by mktests.sh, do not edit by hand. -*- Autoconf -*-
-AT_BANNER([Testing actypes macros.])
+AT_BANNER([Testing autoconf/types macros.])
# Modern macros.
AT_CHECK_MACRO([AC_STRUCT_ST_BLOCKS])
# -*- shell-script -*-
# @configure_input@
# Configurable variable values for building test suites.
-# Copyright 2000 Free Software Foundation, Inc.
+# Copyright 2000, 2001 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
-include(atgeneral.m4) -*- Autoconf -*-
+changequote()changequote([, ])include(autotest/general.m4)# -*- Autoconf -*-
# M4 macros used in building Autoconf test suites.
# This program is free software; you can redistribute it and/or modify
# run.
m4_define([AT_CHECK_AUTOCONF],
[AT_CLEANUP_FILES(configure.in configure autom4te.cache)dnl
-AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir $1],
+AT_CHECK([autoconf --autoconf-dir ../lib -l $at_srcdir $1],
m4_default([$2], [0]), [$3], [$4])])
# -------------------
m4_define([AT_CHECK_AUTOHEADER],
[AT_CLEANUP_FILES(config.hin)dnl
-AT_CHECK([autoheader --autoconf-dir .. -l $at_srcdir], 0, [], [])])
+AT_CHECK([autoheader --autoconf-dir ../lib -l $at_srcdir], 0, [], [])])
# AT_CHECK_CONFIGURE(END-COMMAND,
# -------------------
m4_define([AT_CHECK_AUTOUPDATE],
[AT_CHECK([autoupdate --version || exit 77], ignore, ignore, ignore)
- AT_CHECK([autoupdate --autoconf-dir $at_top_srcdir], 0,
+ AT_CHECK([autoupdate --autoconf-dir $at_top_srcdir/lib], 0,
[], [autoupdate: `configure.ac' is updated
])])
m4_warn([syntax], [syntax])
]])
-AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir -o-],
+AT_CHECK_AUTOCONF([-o-],
0, [],
[configure.ac:3: warning: syntax
])
-AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir -o- -Wall],
+AT_CHECK_AUTOCONF([-o- -Wall],
0, [],
[configure.ac:1: warning: foo
configure.ac:2: warning: bar
configure.ac:3: warning: syntax
])
-AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir -o- -Wnone,bar],
+AT_CHECK_AUTOCONF([-o- -Wnone,bar],
0, [],
[configure.ac:2: warning: bar
])
-AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir -o- -Wnone,bar,error],
+AT_CHECK_AUTOCONF([-o- -Wnone,bar,error],
1, [],
[configure.ac:2: error: bar
configure.ac:2: the top level
## -------------- ##
## m4_text_wrap. ##
## -------------- ##
+# -*- Autoconf -*-
+
+AT_BANNER([M4sugar.])
+
+## -------------- ##
+## m4_text_wrap. ##
+## -------------- ##
+
AT_SETUP([[m4_text_wrap]])
# Filter out required macros.
{
sed 's/^ *//' <<MK_EOF
- # Generated by $as_me, do not edit by hand. -*- autoconf -*-
+ # Generated by $as_me, do not edit by hand. -*- Autoconf -*-
- AT_BANNER([Testing $base macros.])
+ AT_BANNER([Testing autoconf/$base macros.])
MK_EOF
echo "AT_CHECK_AU_MACRO([$macro])"
fi
done
- } >$base.tat
+ } >ac$base.tat
# In one atomic step so that if something above fails, the trap
# preserves the old version of the file.
- mv $base.tat $base.at
+ mv ac$base.tat ac$base.at
done
rm -f acdefuns audefuns requires
AT_CHECK([/bin/sh -n ../ifnames], 0)
# These are not built, they are in the src tree.
-AT_CHECK([/bin/sh -n $top_srcdir/config/install-sh], 0)
-AT_CHECK([/bin/sh -n $top_srcdir/config/mkinstalldirs], 0)
-AT_CHECK([/bin/sh -n $top_srcdir/config/missing], 0)
+AT_CHECK([/bin/sh -n $at_top_srcdir/config/install-sh], 0)
+AT_CHECK([/bin/sh -n $at_top_srcdir/config/mkinstalldirs], 0)
+AT_CHECK([/bin/sh -n $at_top_srcdir/config/missing], 0)
AT_CLEANUP
AT_CHECK([gawk --version || exit 77], 0, ignore, ignore)
# Generation of the script.
-AT_CHECK([AWK='gawk --posix' autoconf --autoconf-dir .. -l $at_srcdir], 0,
+AT_CHECK([AWK='gawk --posix' autoconf --autoconf-dir ../lib -l $at_srcdir], 0,
[], [])
# Tracing.
-AT_CHECK([AWK='gawk --posix' autoconf --autoconf-dir .. -l $at_srcdir -t AC_INIT], 0,
+AT_CHECK([AWK='gawk --posix' autoconf --autoconf-dir ../lib -l $at_srcdir -t AC_INIT], 0,
ignore, [])
# Syntax correctness of ifnames.
AT_CHECK([AWK='gawk --posix' ifnames /dev/null], 0,
]])
# Several --traces.
-AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir -t TRACE1 -t TRACE2], 0,
+AT_CHECK([autoconf --autoconf-dir ../lib -l $at_srcdir -t TRACE1 -t TRACE2], 0,
[[configure.ac:4:TRACE1:foo:bar:baz
configure.ac:4:TRACE2:bar:baz
configure.ac:5:TRACE1:bar:baz
]])
# Several line requests.
-AT_CHECK([[autoconf --autoconf-dir .. -l $at_srcdir -t TRACE1:'
+AT_CHECK([[autoconf --autoconf-dir ../lib -l $at_srcdir -t TRACE1:'
[$1], [$2], [$3].']], 0,
[[
[foo], [bar], [baz].
]])
# ${sep}@.
-AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir -t TRACE2:'${)===(}@'], 0,
+AT_CHECK([autoconf --autoconf-dir ../lib -l $at_srcdir -t TRACE2:'${)===(}@'], 0,
[[[bar])===([baz]
[baz]
[])===([baz]
[[define([active], [ACTIVE])
]])
-AT_CHECK([[autoconf --autoconf-dir .. -l $at_srcdir -t define |
+AT_CHECK([[autoconf --autoconf-dir ../lib -l $at_srcdir -t define |
sed -n '$p']],
0,
[[configure.ac:1:define:active:ACTIVE
# dive into obscure feature interaction...
# Note that using `-i' means we need the *.m4 files, not the *.m4f files,
# hence we need srcdir, not builddir.
-AT_CHECK([[autoconf --autoconf-dir $top_srcdir -l $at_srcdir -t define:'$1' -i|
+AT_CHECK([[autoconf --autoconf-dir $at_top_srcdir/lib -l $at_srcdir -t define:'$1' -i|
sed -n '$p']],
0,
[[active
_AS_BAR
]])
-AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir], 1, [], [stderr])
+AT_CHECK([autoconf --autoconf-dir ../lib -l $at_srcdir], 1, [], [stderr])
# The output of autoconf is not deterministic here because it
# uses `for (ind in array)'. So be sure to have a unique representation.
AT_CHECK([sort stderr], 0,
It would be very bad if Autoconf forgot to expand [AC_]OUTPUT!
]])
-AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir], 1, [], [stderr])
+AT_CHECK([autoconf --autoconf-dir ../lib -l $at_srcdir], 1, [], [stderr])
# The output of autoconf is not deterministic here because it
# uses `for (ind in array)'. So be sure to have a unique representation.
AT_CHECK([sort stderr], 0,
AC_DEFINE(this, "whatever you want.")
]])
-AT_CHECK([autoheader --autoconf-dir .. -<configure.ac], 0,
+AT_CHECK([autoheader --autoconf-dir ../lib -<configure.ac], 0,
[[/* config.h.in. Generated automatically from Standard input by autoheader. */
/* Define this to whatever you want. */
#undef this
AC_DEFINE(that, "whatever you want.")
]])
-AT_CHECK([autoheader --autoconf-dir .. -<configure.ac], 1, [],
+AT_CHECK([autoheader --autoconf-dir ../lib -<configure.ac], 1, [],
[autoheader: No template for symbol `that'
])
# Yes, that's right: the `middle' part of `acconfig.h' is still before
# the AH_TOP part. But so what, you're not supposed to use the two
# together.
-AT_CHECK([autoheader --autoconf-dir .. -<configure.ac], 0,
+AT_CHECK([autoheader --autoconf-dir ../lib -<configure.ac], 0,
[[/* config.h.in. Generated automatically from Standard input by autoheader. */
/* Top from acconfig.h. */
AT_CHECK_AUTOUPDATE
AT_CHECK([cat configure.ac], 0, [expout])
# Checking that `autoupdate' is idempotent
-AT_CHECK([autoupdate --autoconf-dir $top_srcdir], 0, [],
+AT_CHECK([autoupdate --autoconf-dir $at_top_srcdir/lib], 0, [],
[autoupdate: `configure.ac' is unchanged
])
AT_CHECK([cat configure.ac], 0, [expout])
AT_CHECK([autoupdate --version || exit 77], ignore, ignore, ignore)
AT_CHECK([echo "AC_PREREQ(1.0)" |
- autoupdate --autoconf-dir $top_srcdir -],
+ autoupdate --autoconf-dir $at_top_srcdir/lib -],
0, [expout], [])
AT_CHECK([echo "AC_PREREQ($at_version)" |
- autoupdate --autoconf-dir $top_srcdir -],
+ autoupdate --autoconf-dir $at_top_srcdir/lib -],
0, [expout], [])
AT_CHECK([echo "AC_PREREQ(999.99)" |
- autoupdate --autoconf-dir $top_srcdir -],
+ autoupdate --autoconf-dir $at_top_srcdir/lib -],
1, [], [ignore])
AT_CLEANUP
projects / thirdparty / autoconf.git / commitdiff
