+1999-09-29 Akim Demaille <akim@epita.fr>
+
+ Merged the trunk into the experimental branch.
+
+1999-09-29 Ben Elliston <bje@cygnus.com>
+
+ * acspecific.m4 (AC_FUNC_GETLOADAVG): Check for the kstat_open()
+ function in libkstat (on systems such as Solaris). This family of
+ functions is preferred since they don't require setgid permissions
+ to use them. Fix for autoconf/65.
+
1999-09-29 Akim Demaille <akim@epita.fr>
* acconfig.h: Commit the change announced below.
* autoconf.texi (Generic Declarations): Update.
+1999-09-27 Ben Elliston <bje@cygnus.com>
+
+ * autoscan.pl (scan_files): Emit an AC_PROG_CC invocation to
+ configure.scan if there are any C files present. Fix for
+ autoconf/19.
+
1999-09-27 Akim Demaille <akim@epita.fr>
* acgeneral.m4 (AC_OUTPUT): Divert AC_OUTPUT_FILE to
Allow a third optional argument: extra includes.
* autoconf.texi (Generic Typedefs): Documents.
+1999-09-26 Ben Elliston <bje@cygnus.com>
+
+ * acgeneral.m4 (AC_OUTPUT_LINKS): Eliminate gratuitous spaces from
+ $ac_sources if this variable is otherwise empty. Fix for
+ autoconf/30.
+
+1999-09-25 Ben Elliston <bje@cygnus.com>
+
+ * autoconf.texi (AC_FUNC_SETVBUF): Do not mention which systems
+ might have their setvbuf() arguments reordered. It's difficult to
+ accurately determine and is not essential. Fix for autoconf/7.
+
+ * acgeneral.m4 (AC_LINK_FILES): Emit an error if an incorrect
+ number of arguments are collected. Fix for autoconf/10.
+
1999-09-25 Akim Demaille <akim@epita.fr>
* acgeneral.m4 (AC_OUTPUT, handling of options): Make it possible
* TODO: Updated.
Added a section for 2.15 and 3.
+1999-09-24 Ben Elliston <bje@cygnus.com>
+
+ * acspecific.m4 (AC_HEADER_STDC): Define ISLOWER and ISUPPER
+ macros correctly on EBCDIC systems. Contributed by Kurt D.
+ Zeilenga <kurt@openldap.org>. Fix for autoconf/6.
+
+1999-09-24 Jim Blandy <jimb@zwingli.cygnus.com>
+
+ * acspecific.m4 (AC_C_VOLATILE): New test.
+ * acconfig.h: Add new entry for `volatile'.
+ * autoconf.texi (C Compiler Characteristics): Document it.
+
+1999-09-24 Ben Elliston <bje@cygnus.com>
+
+ * autoreconf.sh: Do not run autoheader if AC_CONFIG_HEADER is
+ commented out in configure.in. Reported by Erez Zadok
+ <ezk@cs.columbia.edu> as a fix for autoconf/21.
+
+ * install.texi: Replace `can not' with `cannot'.
+
1999-09-23 Pavel Roskin <pavel_roskin@geocities.com>
Avoid that comments from aclocal.m4 show up in configure when
the default action.
Reported by Pavel.
+1999-09-22 Ben Elliston <bje@cygnus.com>
+
+ * config.guess: Clear the CCOPTS environment variable before
+ invoking the C compiler on HP-UX. This is necessary to guarantee
+ that the test program is compiled correctly. Reported by Dietmar
+ P. Schindler <schd@mra.man.de>.
+
+1999-09-22 Linas Vepstas <linas@linas.org>
+
+ * config.guess: Add OS/390 match pattern.
+ * config.sub: Add mvs, openedition targets.
+
1999-09-21 Akim Demaille <akim@epita.fr>
* acgeneral.m4 (AC_INIT_PARSE_ARGS, --help message): Use quoted
* THANKS: Update some mail addresses.
+1999-09-21 Nick Clifton <nickc@cygnus.com>
+
+ * config.sub: Add fr30 target.
+
+1999-09-21 Ben Elliston <bje@cygnus.com>
+
+ * configure.in: Check if an appropriate version of GNU m4 is
+ installed at configure-time rather than at runtime. From Pavel
+ Roskin <pavel_roskin@geocities.com>. Fix for autoconf/2.
+ * configure: Regenerate.
+
1999-09-20 Akim Demaille <akim@epita.fr>
* acgeneral.m4 (AC_OUTPUT): Don't remove the CONFIG_HEADERS
* autoheader.sh: Fix the tr invocation.
+1999-09-20 Ben Elliston <bje@cygnus.com>
+
+ * autoheader.sh: Bourne shell compatibility fix. From Pavel Roskin
+ <pavel_roskin@geocities.com>.
+
1999-09-17 Akim Demaille <akim@epita.fr>
* acgeneral.m4 (AC_INIT_PARSE_ARGS): Improve configure's --help.
* THANKS: New file.
+1999-09-17 Ben Elliston <bje@cygnus.com>
+
+ * config.guess: Detect QNX version 4.
+ * config.sub: Handle `qnx' and `i386-qnx' aliases.
+
+1999-09-17 Erez Zadok <ezk@cs.columbia.edu>
+
+ * config.guess: Eliminate the trailing dot if ${UNAME_RELEASE} is
+ 1.4-<SOMETHING>. Fix for autoconf/22.
+
1999-09-15 Akim Demaille <akim@epita.fr>
* acgeneral.m4 (AC_CHECK_FILE): Use ifset.
(AC_CACHE_CHECK): Use AC_MSG_RESULT_UNQUOTED.
(AC_MSG_RESULT_UNQUOTED): New macro.
+1999-09-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ Fix for autoconf/28.
+ * acgeneral.m4 (AC_OUTPUT_MAKE_DEFS): Don't assume LF is \012, use
+ `echo` followed by a non-blank, within quotes.
+ * autoheader.sh (syms): Likewise.
+ * configure: Rebuilt.
+
1999-09-14 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
* acgeneral.m4 (AC_OUTPUT_MAKE_DEFS): Don't assume LF is \012,
Remove the dots from the menus: horizontal space is precious.
(Invoking config.status): More traditional presentation of the options.
+1999-09-07 Ben Elliston <bje@cygnus.com>
+
+ * autoreconf.sh: Recognise -v as a synonym for --verbose.
+
+1999-09-07 Gary V. Vaughan <gvaughan@oranda.demon.co.uk>
+
+ * Makefile.in (INSTALL, standards.info, autoconf.info): MiKTeX
+ for Windows treats all options after the first filename as
+ additional filenames, so real options must appear before the first
+ filename.
+
+1999-09-07 Steven G. Johnson <stevenj@alum.mit.edu>
+
+ * autoconf.texi (LDFLAGS, LIBS): Document that -L linker flags
+ should be kept in LDFLAGS and not LIBS.
+
+1999-09-07 Jim Meyering <meyering@ascend.com>
+
+ * acgeneral.m4 (AC_SEARCH_LIBS): Use $ac_lib as the index, not $i.
+
+1999-09-06 Ben Elliston <bje@cygnus.com>
+
+ * acspecific.m4 (AC_FUNC_ALLOCA): Rename cache variable to avoid
+ name clashes with AC_CHECK_HEADER(alloca.h).
+
+1999-09-05 Steve Chamberlain <sac@pobox.com>
+
+ * config.sub: Add support for configuring for picoJava (pj).
+
+1999-09-05 Ben Elliston <bje@cygnus.com>
+
+ * acgeneral.m4 (CONFIG_AUX_DIRS): Try running `shtool install'.
+ Contributed by Ralf S. Engelschall <rse@engelschall.com>.
+
+1999-09-04 Ben Elliston <bje@cygnus.com>
+
+ * config.guess: Use POSIX compliant shell code on DG/UX.
+ Suggested by Stephen Gildea <gildea@alum.mit.edu>.
+
+1999-09-04 Pavel Roskin <pavel_roskin@geocities.com>
+
+ * acgeneral.m4 (AC_OUTPUT_FILES): Output comment to not only
+ `Makefile', but also `makefile'.
+
+1999-09-04 Jim Blandy <jimb@zwingli.cygnus.com>
+
+ * Makefile.in (install): Don't freak if the M4FROZEN files were
+ never generated. m4 1.1 is supported, but doesn't freeze files.
+
+1999-09-04 Scott Bambrough <scottb@netwinder.org>
+
+ * config.guess: Autodetect ArmLinux using 2.9.1.xx linker
+ emulation names and using the emulation names from the linker from
+ the binutils CVS tree.
+
+ * config.sub: Change manufacturer name for the NetWinder alias
+ from Corel to Rebel.
+
+1999-09-04 Jeremy Elson <jelson@circlemud.org>
+
+ * autoheader.m4 (AC_CHECK_HEADER): Define.
+
1999-09-02 Tom Tromey <tromey@cygnus.com>
* autoheader.sh: Allow multiple spaces between #undef and symbol
* acgeneral.m4: Fixed the regular expressions: `$' shall not be
portably in a sed \(\) group.
+1999-08-28 Ben Elliston <bje@cygnus.com>
+
+ * config.guess: Once and for all, emit the correct string for
+ Unixware 7! Contributed by Mike Hopkirk <hops@sco.com>.
+
+ * acspecific.m4 (AC_C_INLINE): Qualify the return type of the
+ dummy inlined function to satisfy newer C++ compilers. Fix for
+ autoconf/49.
+
+1999-08-26 Ben Elliston <bje@cygnus.com>
+
+ * autoconf.texi (Changed Results): Correct an error in one of the
+ examples. Fix for autoconf/38.
+
+1999-08-25 Ben Elliston <bje@cygnus.com>
+
+ * autoconf.texi (Cache Variable Names): Be more explicit about the
+ requirements for cache variable names. Fix for autoconf/53.
+
+1999-08-25 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * autoreconf.sh: Run aclocal with the -I option only if
+ aclocal_dir != `.'. Fix for autoconf/44.
+
1999-08-22 Matthew D. Langston <langston@SLAC.Stanford.EDU>
* acspecific.m4 (AC_PROG_CC): Remove uname test for win32/Cygwin,
which gives the user an opportunity to specify an alternative
search list for the compiler.
+1999-08-18 Ben Elliston <bje@cygnus.com>
+
+ * config.guess: Remove "/MP" from the release string on
+ multiprocessor x86 machines running SVR4.0. Suggested by Tom
+ Purcell <Tom.Purcell@wang.com>.
+
+1999-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * acgeneral.m4 (AC_CHECK_TYPE): Add optional third argument
+ INCLUDES, which specifies the headers in which to search for the
+ type in question. Also, pass a "description" argument to
+ AC_DEFINE_UNQUOTED.
+ * acconfig.h (mode_t, off_t, pid_t, size_t): Remove definitions.
+ * autoconf.texi (AC_CHECK_TYPE): Document optional third argument.
+
+1999-08-05 Jeffrey A Law <law@cygnus.com>
+
+ * config.sub (-wrs case): Use os=-vxworks, not os=vxworks.
+
+1999-08-05 Ben Elliston <bje@cygnus.com>
+
+ * config.guess: Update patch submission address.
+
+1999-08-05 Ben Elliston <bje@cygnus.com>
+
+ * config.sub: Accept version number appended to OS name for MiNT.
+ Contributed by Guido Flohr <gufl0000@stud.uni-sb.de>.
+
+1999-08-04 Ben Elliston <bje@cygnus.com>
+
+ * Makefile.in (INSTALL_SCRIPT): Substitute.
+ (install): Install scripts with $(INSTALL_SCRIPT).
+
1999-07-20 Tom Tromey <tromey@cygnus.com>
* autoheader.sh: Fixed regexp when searching for missing symbol.
macro" use by AC_F77_LIBRARY_LDFLAGS.
(AC_LINKER_OPTION): Likewise.
+1999-07-11 Ben Elliston <bje@cygnus.com>
+
+ * config.guess: Cray T3E has an Alpha CPU.
+
+1999-07-04 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * acspecific.m4 (AC_PROG_CXX): Look for gpp after g++. gpp is the
+ DJGPP C++ compiler, since `g++' is not a valid DOS filename.
+
+1999-06-12 Ben Elliston <bje@cygnus.com>
+
+ * config.guess: Detect Linux on ia64.
+ * config.sub: Handle ia64.
+
+1999-06-12 Ben Elliston <bje@cygnus.com>
+
+ * config.guess: Handle `elf32ppclinux' from ld. Contributed by
+ Cort Dougan <cort@cs.nmt.edu>.
+
1999-06-09 Matthew D. Langston <langston@SLAC.Stanford.EDU>
* autoconf.texi (Pretty Help Strings): Synchronize documentation
* acgeneral.m4 (AC_OUTPUT_MAKE_DEFS): Fix sed regexp for handling
CPP macros with args.
+1999-06-04 Nick Clifton <nickc@cygnus.com>
+
+ * config.sub: Add more target.
+
1999-06-03 Ben Elliston <bje@cygnus.com>
* acgeneral.m4 (AC_ACVERSION): Correct version number.
Tue Mar 7 11:48:19 1995 David J. MacKenzie <djm@catapult.va.pubnix.com>
- * acspecific.m4 (AC_FUNC_ALLOCA): Keep sh variable namespace clean.
- Put newline after AC_DEFINE_UNQUOTED call to avoid Irix syntax error.
+ * acspecific.m4 (AC_FUNC_ALLOCA): Keep sh variable namespace
+ clean. Put newline after AC_DEFINE_UNQUOTED call to avoid Irix
+ syntax error.
Mon Mar 6 15:07:00 1995 David J. MacKenzie <djm@catapult.va.pubnix.com>
are also suggestions we should either satisfy right now (they're
easy), or remove (obsoleted since then).
+** AC_CHECK_HEADER should not template config.h entries.
+Its entry in autoheader.m4 should be removed.
+
** fnmatch
From: Stanislav Brabec <utx@k332.feld.cvut.cz>
/* Define if you have the ANSI # stringizing operator in cpp. */
#undef HAVE_STRINGIZE
-/* Define to `int' if <sys/types.h> doesn't define. */
-#undef mode_t
-
-/* Define to `long' if <sys/types.h> doesn't define. */
-#undef off_t
-
-/* Define to `int' if <sys/types.h> doesn't define. */
-#undef pid_t
-
-/* Define to `unsigned' if <sys/types.h> doesn't define. */
-#undef size_t
-
/* 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.
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_func_search_save_LIBS="$LIBS"
ac_cv_search_$1="no"
AC_TRY_LINK_FUNC([$1], [ac_cv_search_$1="none required"])
-test "$ac_cv_search_$1" = "no" && for i in $2; do
-LIBS="-l$i $5 $ac_func_search_save_LIBS"
+test "$ac_cv_search_$1" = "no" && for ac_lib in $2; do
+LIBS="-l$ac_lib $5 $ac_func_search_save_LIBS"
AC_TRY_LINK_FUNC([$1],
-[ac_cv_search_$1="-l$i"
+[ac_cv_search_$1="-l$ac_lib"
break])
done
LIBS="$ac_func_search_save_LIBS"])
[AC_EGREP_CPP(dnl
changequote(<<,>>)dnl
<<(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]>>dnl
-changequote([,]), [#include <stdio.h>
+changequote([,]), m4_default([$3], [#include <stdio.h>
#include <sys/types.h>
#if STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#endif
-$3
-], AC_VAR_SET(ac_Type, yes), AC_VAR_SET(ac_Type, no))])
+]), AC_VAR_SET(ac_Type, yes), AC_VAR_SET(ac_Type, no))])
AC_SHELL_IFELSE(test AC_VAR_GET(ac_Type) = yes,,
- [AC_DEFINE_UNQUOTED($1, $2)])dnl
+ [AC_DEFINE_UNQUOTED($1, $2,
+ [Define to `$2' if <sys/types.h>
+ does not define.])])dnl
AC_VAR_POPDEF([ac_Type])dnl
-])
+])dnl AC_CHECK_TYPE
dnl ### Creating output files
dnl AC_LINK_FILES(SOURCE..., DEST...)
AC_DEFUN(AC_LINK_FILES,
[dnl
+ifelse($#, 2, , dnl
+ [errprint(__file__:__line__: incorrect number of arguments to [AC_LINK_FILES]
+)]
+ AC_MSG_ERROR([aborting due to error at __file__:__line__]))dnl
define([AC_LIST_FILES], ifdef([AC_LIST_FILES], [AC_LIST_FILES ],)[$1])dnl
define([AC_LIST_LINKS], ifdef([AC_LIST_LINKS], [AC_LIST_LINKS ],)[$2])])
# platform that uses two characters for line-breaks (e.g., DOS), tr
# would break.
ac_LF_and_DOT="`echo; echo .`"
-DEFS=`sed -f $conftest.defs confdefs.h | tr "$ac_LF_and_DOT" ' .'`
+DEFS=`sed -f $ac_cs_root.defs confdefs.h | tr "$ac_LF_and_DOT" ' .'`
rm -f $ac_cs_root.defs
])
rm -f "$ac_file"
configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
case "$ac_file" in
- *Makefile*) ac_comsub="1i\\
+changequote(, )dnl
+ *[Mm]akefile*) ac_comsub="1i\\
+changequote([, ])dnl
# $configure_input" ;;
*) ac_comsub= ;;
esac
s%[\\$`]%\\&%g
s%^[ ]*<<#>>[ ]*define[ ][ ]*\(\([^ (][^ (]*\)([^)]*)\)[ ]*\(.*\)$%${ac_dA}\2${ac_dB}\1${ac_dC}\3${ac_dD}%gp
t cleanup
-s%^[ ]*<<#>>[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)$% ${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
+s%^[ ]*<<#>>[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)$%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
: cleanup
-s%ac_d%ac_e%gp
-s%ac_e%ac_u%gp
+s%ac_d%ac_u%gp
+s%ac_u%ac_e%gp
changequote([, ])dnl
EOF
# If some macros were called several times there might be several times
cat >> $CONFIG_STATUS <<\EOF
srcdir=$ac_given_srcdir
+# Remove spaces from $ac_sources if it is otherwise empty.
+set -- $ac_sources
+ac_sources=[$]*
+
while test -n "$ac_sources"; do
set $ac_dests; ac_dest=[$]1; shift; ac_dests=[$]*
set $ac_sources; ac_source=[$]1; shift; ac_sources=[$]*
fi
])
-dnl AC_PROG_CXX takes an optional first argument which, if specified,
-dnl must be a space separated list of C++ compilers to search for. This
-dnl just gives the user an opportunity to specify an alternative search
-dnl list for the C++ compiler.
+dnl AC_PROG_CXX([LIST-OF-COMPILERS])
+dnl --------------------------------
+dnl LIST-OF-COMPILERS is a space separated list of C++ compilers to search
+dnl for (if not specified, a default list is used). This just gives the
+dnl user an opportunity to specify an alternative search list for the C++
+dnl compiler.
AC_DEFUN(AC_PROG_CXX,
[AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
-AC_CHECK_PROGS(CXX, $CCC ifelse([$1], , [c++ g++ gcc CC cxx cc++ cl], [$1]), gcc)
+AC_CHECK_PROGS(CXX, $CCC m4_default([$1], [c++ g++ gcc CC cxx cc++ cl]), gcc)
AC_PROG_CXX_WORKS
AC_PROG_CXX_GNU
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')
#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#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);
[AC_REQUIRE_CPP()dnl Set CPP; we run AC_EGREP_CPP conditionally.
# 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_header_alloca_h,
+AC_CACHE_CHECK([for working alloca.h], ac_cv_working_alloca_h,
[AC_TRY_LINK([#include <alloca.h>], [char *p = alloca(2 * sizeof(int));],
- ac_cv_header_alloca_h=yes, ac_cv_header_alloca_h=no)])
-if test $ac_cv_header_alloca_h = yes; then
+ 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).])
# to get the right answer into the cache.
AC_CHECK_LIB(elf, elf_begin, LIBS="-lelf $LIBS")
AC_CHECK_LIB(kvm, kvm_open, LIBS="-lkvm $LIBS")
+AC_CHECK_LIB(kstat, kstat_open)
# 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])
[AC_CACHE_CHECK([for inline], ac_cv_c_inline,
[ac_cv_c_inline=no
for ac_kw in inline __inline__ __inline; do
- AC_TRY_COMPILE(, [} $ac_kw foo() {], [ac_cv_c_inline=$ac_kw; break])
+ AC_TRY_COMPILE(, [} $ac_kw int foo() {], [ac_cv_c_inline=$ac_kw; break])
done
])
case "$ac_cv_c_inline" in
fi
])
+dnl AC_C_VOLATILE
+dnl -------------
+dnl Note that, unlike const, #defining volatile to be the empty string can
+dnl actually turn a correct program into an incorrect one, since removing
+dnl uses of volatile actually grants the compiler permission to perform
+dnl optimizations that could break the user's code. So, do not #define
+dnl volatile away unless it is really necessary to allow the user's code
+dnl to compile cleanly. Benign compiler failures should be tolerated.
+AC_DEFUN(AC_C_VOLATILE,
+[AC_CACHE_CHECK([for working volatile], ac_cv_c_volatile,
+[AC_TRY_COMPILE(,[
+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_DEFUN(AC_C_STRINGIZE, [
AC_REQUIRE([AC_PROG_CPP])
AC_MSG_CHECKING([for preprocessor stringizing operator])
@defvar LDFLAGS
@ovindex LDFLAGS
-Stripping (@samp{-s}) and any other miscellaneous options for the
-linker. If it is not set in the environment when @code{configure} runs,
-the default value is empty. @code{configure} uses this variable when
-linking programs to test for C features.
+Stripping (@samp{-s}), path (@samp{-L}), and any other miscellaneous
+options for the linker. If it is not set in the environment when
+@code{configure} runs, the default value is empty. @code{configure}
+uses this variable when linking programs to test for C features.
@end defvar
@defvar LIBS
@ovindex LIBS
-@samp{-l} and @samp{-L} options to pass to the linker.
+@samp{-l} options to pass to the linker.
@end defvar
@node Build Directories, Automatic Remaking, Preset Output Variables, Makefile Substitutions
@cvindex SETVBUF_REVERSED
If @code{setvbuf} takes the buffering type as its second argument and
the buffer pointer as the third, instead of the other way around, define
-@code{SETVBUF_REVERSED}. This is the case on System V before release 3.
+@code{SETVBUF_REVERSED}.
@end defmac
@defmac AC_FUNC_STRCOLL
One of its main flaws is that missing types are not typedef'd, they are
defined, which can lead to incompatible code in the case of pointer types.
-@defmac AC_CHECK_TYPE (@var{type}, @var{default}@r{[}, @var{includes}@r{]})
+@defmac AC_CHECK_TYPE (@var{type}, @var{default} @r{[}, @var{includes}@r{]})
@maindex CHECK_TYPE
If the type @var{type} is not defined in @file{sys/types.h}, or
-@file{stdlib.h} or @file{stddef.h} if they exist, define it to be the C
-(or C++) builtin type @var{default}; e.g., @samp{short} or
-@samp{unsigned}.
+@file{stdlib.h} or @file{stddef.h} if they exist, define it to be the
+C (or C++) builtin type @var{default}; e.g., @samp{short} or
+@samp{unsigned}. The default header files to search can be replaced
+by supplying the optional argument @var{includes}.
@end defmac
it as empty.
@end defmac
+@defmac AC_C_VOLATILE
+@maindex C_VOLATILE
+@cvindex volatile
+If the C compiler does not understand the keyword @code{volatile},
+define @code{volatile} to be empty. Programs can simply use
+@code{volatile} as if every C compiler supported it; for those that do
+not, the @file{Makefile} or configuration header will define it as
+empty.
+
+If the correctness of your program depends on the semantics of
+@code{volatile}, simply defining it to be empty does, in a sense, break
+your code. However, given that the compiler does not support
+@code{volatile}, you are at its mercy anyway. At least your
+program will compile, when it wouldn't before.
+
+In general, the @code{volatile} keyword is a feature of ANSI C, so you
+might expect that @code{volatile} is available only when @code{__STDC__}
+is defined. However, Ultrix 4.3's native compiler does support
+volatile, but does not defined @code{__STDC__}.
+@end defmac
+
+
@defmac AC_C_INLINE
@maindex C_INLINE
@cvindex inline
@samp{ac}.
@item @code{_cv_}
-Indicates that this shell variable is a cache value.
+Indicates that this shell variable is a cache value. This string
+@emph{must} be present in the variable name, including the leading
+underscore.
@item @var{value-type}
A convention for classifying cache values, to produce a rational naming
# syslog is not in the default libraries. See if it's in some other.
for lib in bsd socket inet; do
AC_CHECK_LIB($lib, syslog, [AC_DEFINE(HAVE_SYSLOG)
- LIBS="$LIBS $lib"; break])
+ LIBS="$LIBS -l$lib"; break])
done
fi
@end example
])
])
+define([AC_CHECK_HEADER], [AC_CHECK_HEADERS($1,$2,$3)])
+
define([AC_CHECK_HEADERS_DIRENT], [#
@@@headers="$headers $1"@@@
])
test -f "${M4}" || M4=m4 ;;
esac
+# ac_LF_and_DOT
+# We use echo to avoid assuming a particular line-breaking character.
+# The extra dot is to prevent the shell from consuming trailing
+# line-breaks from the sub-command output. A line-break within
+# single-quotes doesn't work because, if this script is created in a
+# platform that uses two characters for line-breaks (e.g., DOS), tr
+# would break.
+ac_LF_and_DOT="`echo; echo .`"
+
localdir=.
show_version=no
debug=false
EOF
fgrep -f $fgrep_tmp
rm -f $fgrep_tmp) |
- tr @. "`echo; echo .`"
-# We use echo to avoid assuming a particular line-breaking character.
-# The extra dot is to prevent the shell from consuming trailing
-# line-breaks from the sub-command output. A line-break within
-# single-quotes doesn't work because, if this script is created in a
-# platform that uses two characters for line-breaks (e.g., DOS), tr
-# would break.
+ tr @. "$ac_LF_and_DOT"
fi
-echo "$types" | tr ,. "`echo`." | sort | uniq | while read ctype; do
+echo "$types" | tr ,. "$ac_LF_and_DOT" | sort | uniq | while read ctype; do
test -z "$ctype" && continue
sym="`echo "${ctype}" | tr 'abcdefghijklmnopqrstuvwxyz *' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_P'`"
echo "
test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
AC_MACRODIR="$1"
shift ;;
- --verbose | --verb*)
+ -v | --verbose | --verb*)
verbose=echo; shift ;;
-f | --force)
force=yes; shift ;;
then
:
else
+ if test x"$aclocal_dir" != x.
+ then
+ aclocal_flags="$aclocal_flags -I $aclocal_dir"
+ fi
$verbose "running aclocal $aclocal_flags in $dir, creating $aclocal_m4"
- aclocal $aclocal_flags --output=$aclocal_m4 -I $aclocal_dir
+ aclocal $aclocal_flags --output=$aclocal_m4
fi
fi
$autoconf $macrodir_opt $localdir_opt
fi
- if grep 'A[CM]_CONFIG_HEADER' configure.in >/dev/null; then
+ if grep '^[ ]*A[CM]_CONFIG_HEADER' configure.in >/dev/null; then
templates=`sed -n '/A[CM]_CONFIG_HEADER/ {
s%[^#]*A[CM]_CONFIG_HEADER[ ]*(\([^)]*\).*%\1%
p
}
foreach $file (@cfiles) {
+ $programs{"cc"}++;
&scan_c_file($file);
}
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.14.1
+# Generated automatically using Autoconf version 2.14.1
# Copyright (C) 1992, 93, 94, 95, 96, 98, 1999 Free Software Foundation, Inc.
#
# This configure script is free software; the Free Software Foundation
" 1>&5
# Strip out --no-create and --no-recursion so they do not pile up.
-# Also quote any args containing shell metacharacters.
+# Also quote any args containing shell meta-characters.
ac_configure_args=
for ac_arg
do
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
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install... $ac_c" 1>&6
-echo "configure:734: checking for a BSD compatible install" 1>&5
+echo "configure:738: checking for a BSD compatible install" 1>&5
if test -z "$INSTALL"; then
if test "${ac_cv_path_install+set}" = set; then
echo $ac_n "(cached) $ac_c" 1>&6
# platform that uses two characters for line-breaks (e.g., DOS), tr
# would break.
ac_LF_and_DOT="`echo; echo .`"
-DEFS=`sed -f $conftest.defs confdefs.h | tr "$ac_LF_and_DOT" ' .'`
+DEFS=`sed -f $ac_cs_root.defs confdefs.h | tr "$ac_LF_and_DOT" ' .'`
rm -f $ac_cs_root.defs
# configure, is in ./config.log if it exists.
ac_cs_usage="\\
-\\\`$CONFIG_STATUS' instanciates files from templates according to the
+\\\`$CONFIG_STATUS' instantiates files from templates according to the
current configuration.
Usage: $CONFIG_STATUS [OPTIONS] FILE...
--version Print the version of Autoconf and exit
--help Display this help and exit
-Files to instanciate:
+Files to instantiate:
Configuration files:
Makefile testsuite/Makefile
rm -f "$ac_file"
configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
case "$ac_file" in
- *Makefile*) ac_comsub="1i\\
+ *[Mm]akefile*) ac_comsub="1i\\
# $configure_input" ;;
*) ac_comsub= ;;
esac
@defvar LDFLAGS
@ovindex LDFLAGS
-Stripping (@samp{-s}) and any other miscellaneous options for the
-linker. If it is not set in the environment when @code{configure} runs,
-the default value is empty. @code{configure} uses this variable when
-linking programs to test for C features.
+Stripping (@samp{-s}), path (@samp{-L}), and any other miscellaneous
+options for the linker. If it is not set in the environment when
+@code{configure} runs, the default value is empty. @code{configure}
+uses this variable when linking programs to test for C features.
@end defvar
@defvar LIBS
@ovindex LIBS
-@samp{-l} and @samp{-L} options to pass to the linker.
+@samp{-l} options to pass to the linker.
@end defvar
@node Build Directories, Automatic Remaking, Preset Output Variables, Makefile Substitutions
@cvindex SETVBUF_REVERSED
If @code{setvbuf} takes the buffering type as its second argument and
the buffer pointer as the third, instead of the other way around, define
-@code{SETVBUF_REVERSED}. This is the case on System V before release 3.
+@code{SETVBUF_REVERSED}.
@end defmac
@defmac AC_FUNC_STRCOLL
One of its main flaws is that missing types are not typedef'd, they are
defined, which can lead to incompatible code in the case of pointer types.
-@defmac AC_CHECK_TYPE (@var{type}, @var{default}@r{[}, @var{includes}@r{]})
+@defmac AC_CHECK_TYPE (@var{type}, @var{default} @r{[}, @var{includes}@r{]})
@maindex CHECK_TYPE
If the type @var{type} is not defined in @file{sys/types.h}, or
-@file{stdlib.h} or @file{stddef.h} if they exist, define it to be the C
-(or C++) builtin type @var{default}; e.g., @samp{short} or
-@samp{unsigned}.
+@file{stdlib.h} or @file{stddef.h} if they exist, define it to be the
+C (or C++) builtin type @var{default}; e.g., @samp{short} or
+@samp{unsigned}. The default header files to search can be replaced
+by supplying the optional argument @var{includes}.
@end defmac
it as empty.
@end defmac
+@defmac AC_C_VOLATILE
+@maindex C_VOLATILE
+@cvindex volatile
+If the C compiler does not understand the keyword @code{volatile},
+define @code{volatile} to be empty. Programs can simply use
+@code{volatile} as if every C compiler supported it; for those that do
+not, the @file{Makefile} or configuration header will define it as
+empty.
+
+If the correctness of your program depends on the semantics of
+@code{volatile}, simply defining it to be empty does, in a sense, break
+your code. However, given that the compiler does not support
+@code{volatile}, you are at its mercy anyway. At least your
+program will compile, when it wouldn't before.
+
+In general, the @code{volatile} keyword is a feature of ANSI C, so you
+might expect that @code{volatile} is available only when @code{__STDC__}
+is defined. However, Ultrix 4.3's native compiler does support
+volatile, but does not defined @code{__STDC__}.
+@end defmac
+
+
@defmac AC_C_INLINE
@maindex C_INLINE
@cvindex inline
@samp{ac}.
@item @code{_cv_}
-Indicates that this shell variable is a cache value.
+Indicates that this shell variable is a cache value. This string
+@emph{must} be present in the variable name, including the leading
+underscore.
@item @var{value-type}
A convention for classifying cache values, to produce a rational naming
# syslog is not in the default libraries. See if it's in some other.
for lib in bsd socket inet; do
AC_CHECK_LIB($lib, syslog, [AC_DEFINE(HAVE_SYSLOG)
- LIBS="$LIBS $lib"; break])
+ LIBS="$LIBS -l$lib"; break])
done
fi
@end example
ac_aux_dir=$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_func_search_save_LIBS="$LIBS"
ac_cv_search_$1="no"
AC_TRY_LINK_FUNC([$1], [ac_cv_search_$1="none required"])
-test "$ac_cv_search_$1" = "no" && for i in $2; do
-LIBS="-l$i $5 $ac_func_search_save_LIBS"
+test "$ac_cv_search_$1" = "no" && for ac_lib in $2; do
+LIBS="-l$ac_lib $5 $ac_func_search_save_LIBS"
AC_TRY_LINK_FUNC([$1],
-[ac_cv_search_$1="-l$i"
+[ac_cv_search_$1="-l$ac_lib"
break])
done
LIBS="$ac_func_search_save_LIBS"])
[AC_EGREP_CPP(dnl
changequote(<<,>>)dnl
<<(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]>>dnl
-changequote([,]), [#include <stdio.h>
+changequote([,]), m4_default([$3], [#include <stdio.h>
#include <sys/types.h>
#if STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#endif
-$3
-], AC_VAR_SET(ac_Type, yes), AC_VAR_SET(ac_Type, no))])
+]), AC_VAR_SET(ac_Type, yes), AC_VAR_SET(ac_Type, no))])
AC_SHELL_IFELSE(test AC_VAR_GET(ac_Type) = yes,,
- [AC_DEFINE_UNQUOTED($1, $2)])dnl
+ [AC_DEFINE_UNQUOTED($1, $2,
+ [Define to `$2' if <sys/types.h>
+ does not define.])])dnl
AC_VAR_POPDEF([ac_Type])dnl
-])
+])dnl AC_CHECK_TYPE
dnl ### Creating output files
dnl AC_LINK_FILES(SOURCE..., DEST...)
AC_DEFUN(AC_LINK_FILES,
[dnl
+ifelse($#, 2, , dnl
+ [errprint(__file__:__line__: incorrect number of arguments to [AC_LINK_FILES]
+)]
+ AC_MSG_ERROR([aborting due to error at __file__:__line__]))dnl
define([AC_LIST_FILES], ifdef([AC_LIST_FILES], [AC_LIST_FILES ],)[$1])dnl
define([AC_LIST_LINKS], ifdef([AC_LIST_LINKS], [AC_LIST_LINKS ],)[$2])])
# platform that uses two characters for line-breaks (e.g., DOS), tr
# would break.
ac_LF_and_DOT="`echo; echo .`"
-DEFS=`sed -f $conftest.defs confdefs.h | tr "$ac_LF_and_DOT" ' .'`
+DEFS=`sed -f $ac_cs_root.defs confdefs.h | tr "$ac_LF_and_DOT" ' .'`
rm -f $ac_cs_root.defs
])
rm -f "$ac_file"
configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
case "$ac_file" in
- *Makefile*) ac_comsub="1i\\
+changequote(, )dnl
+ *[Mm]akefile*) ac_comsub="1i\\
+changequote([, ])dnl
# $configure_input" ;;
*) ac_comsub= ;;
esac
s%[\\$`]%\\&%g
s%^[ ]*<<#>>[ ]*define[ ][ ]*\(\([^ (][^ (]*\)([^)]*)\)[ ]*\(.*\)$%${ac_dA}\2${ac_dB}\1${ac_dC}\3${ac_dD}%gp
t cleanup
-s%^[ ]*<<#>>[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)$% ${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
+s%^[ ]*<<#>>[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)$%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
: cleanup
-s%ac_d%ac_e%gp
-s%ac_e%ac_u%gp
+s%ac_d%ac_u%gp
+s%ac_u%ac_e%gp
changequote([, ])dnl
EOF
# If some macros were called several times there might be several times
cat >> $CONFIG_STATUS <<\EOF
srcdir=$ac_given_srcdir
+# Remove spaces from $ac_sources if it is otherwise empty.
+set -- $ac_sources
+ac_sources=[$]*
+
while test -n "$ac_sources"; do
set $ac_dests; ac_dest=[$]1; shift; ac_dests=[$]*
set $ac_sources; ac_source=[$]1; shift; ac_sources=[$]*
fi
])
-dnl AC_PROG_CXX takes an optional first argument which, if specified,
-dnl must be a space separated list of C++ compilers to search for. This
-dnl just gives the user an opportunity to specify an alternative search
-dnl list for the C++ compiler.
+dnl AC_PROG_CXX([LIST-OF-COMPILERS])
+dnl --------------------------------
+dnl LIST-OF-COMPILERS is a space separated list of C++ compilers to search
+dnl for (if not specified, a default list is used). This just gives the
+dnl user an opportunity to specify an alternative search list for the C++
+dnl compiler.
AC_DEFUN(AC_PROG_CXX,
[AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
-AC_CHECK_PROGS(CXX, $CCC ifelse([$1], , [c++ g++ gcc CC cxx cc++ cl], [$1]), gcc)
+AC_CHECK_PROGS(CXX, $CCC m4_default([$1], [c++ g++ gcc CC cxx cc++ cl]), gcc)
AC_PROG_CXX_WORKS
AC_PROG_CXX_GNU
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')
#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#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);
[AC_REQUIRE_CPP()dnl Set CPP; we run AC_EGREP_CPP conditionally.
# 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_header_alloca_h,
+AC_CACHE_CHECK([for working alloca.h], ac_cv_working_alloca_h,
[AC_TRY_LINK([#include <alloca.h>], [char *p = alloca(2 * sizeof(int));],
- ac_cv_header_alloca_h=yes, ac_cv_header_alloca_h=no)])
-if test $ac_cv_header_alloca_h = yes; then
+ 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).])
# to get the right answer into the cache.
AC_CHECK_LIB(elf, elf_begin, LIBS="-lelf $LIBS")
AC_CHECK_LIB(kvm, kvm_open, LIBS="-lkvm $LIBS")
+AC_CHECK_LIB(kstat, kstat_open)
# 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])
[AC_CACHE_CHECK([for inline], ac_cv_c_inline,
[ac_cv_c_inline=no
for ac_kw in inline __inline__ __inline; do
- AC_TRY_COMPILE(, [} $ac_kw foo() {], [ac_cv_c_inline=$ac_kw; break])
+ AC_TRY_COMPILE(, [} $ac_kw int foo() {], [ac_cv_c_inline=$ac_kw; break])
done
])
case "$ac_cv_c_inline" in
fi
])
+dnl AC_C_VOLATILE
+dnl -------------
+dnl Note that, unlike const, #defining volatile to be the empty string can
+dnl actually turn a correct program into an incorrect one, since removing
+dnl uses of volatile actually grants the compiler permission to perform
+dnl optimizations that could break the user's code. So, do not #define
+dnl volatile away unless it is really necessary to allow the user's code
+dnl to compile cleanly. Benign compiler failures should be tolerated.
+AC_DEFUN(AC_C_VOLATILE,
+[AC_CACHE_CHECK([for working volatile], ac_cv_c_volatile,
+[AC_TRY_COMPILE(,[
+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_DEFUN(AC_C_STRINGIZE, [
AC_REQUIRE([AC_PROG_CPP])
AC_MSG_CHECKING([for preprocessor stringizing operator])
projects / thirdparty / autoconf.git / commitdiff
