Akim Demaille [Thu, 21 Jun 2001 09:18:16 +0000 (09:18 +0000)]
./configure --program-suffix=foo produces `transform=s,$$,foo,;',
but some sed choke on multiple `;', and other tools (e.g.,
Automake), include the separator themselves.
* acgeneral.m4 (AC_ARG_VAR): Be sure not to leave extra `;'.
Akim Demaille [Mon, 18 Jun 2001 19:11:24 +0000 (19:11 +0000)]
* acfunctions.m4: (AC_FUNC_VFORK) rename as...
(_AC_FUNC_VFORK): this.
Remove AC_DEFINEs and don't guess cross-compilation values.
(_AC_FUNC_FORK): New, check whether fork() isn't just a stub.
(AC_FUNC_FORK): New, use _AC_FUNC_VFORK and _AC_FUNC_FORK to
define HAVE_WORKING_FORK, HAVE_WORKING_VFORK; and vfork to fork if
vfork doesn't work.
Guess values if cross-compiling, but warn.
* acfunctions: Add AC_FUNC_FORK.
* doc/autoconf.texi: Document AC_FUNC_FORK. Give example to define
and vfork appropriately.
Akim Demaille [Mon, 18 Jun 2001 17:41:03 +0000 (17:41 +0000)]
* acfunctions.m4 (AC_FUNC_CHOWN, AC_FUNC_CLOSEDIR_VOID)
(AC_FUNC_GETPGRP, AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK)
(AC_FUNC_MMAP, AC_FUNC_SELECT_ARGTYPES, _AC_FUNC_STAT)
(AC_FUNC_UTIME_NULL): Use AC_INCLUDES_DEFAULT.
Don't use AC_TRY_RUN, which double quotes, prefer AC_RUN_IFELSE,
and either AC_LANG_SOURCE or AC_LANG_PROGRAM.
(AC_FUNC_CLOSEDIR_VOID): Protect C++ from `int closedir ();' (or
the converse).
Akim Demaille [Mon, 18 Jun 2001 17:23:12 +0000 (17:23 +0000)]
* doc/autoconf.texi (ms): New index.
(Macro Index): Rename as...
(Autoconf Macro Index): this.
(M4 Macro Index): New appendix.
(Programming in M4): New chapter.
Define M4sugar, M4sh, m4_pattern_forbid, and m4_pattern_allow.
(Quoting): Rename as...
(M$ Quotation): this.
Be part of `Programming in M4).
Akim Demaille [Sun, 17 Jun 2001 18:14:27 +0000 (18:14 +0000)]
* acgeneral.m4 (_AC_ARG_VAR_VALIDATE): Be sure to cache the
current values of the precious variables, not the previously
cached values.
Pass precious variables which are set to config.status.
* doc/autoconf.texi (Setting Output Variables): Document AC_ARG_VAR.
* tests/torture.at (AC_ARG_VAR): New.
Akim Demaille [Fri, 15 Jun 2001 17:44:17 +0000 (17:44 +0000)]
* doc/autoconf.texi: Move AC_FUNC_WAIT3 and
AC_SYS_RESTARTABLE_SYSCALLS to the obsolete section,
and explain why and how to replace them.
* acfunctions.m4 (AC_FUNC_WAIT3): Warn as obsolete.
* acspecific.m4 (AC_SYS_RESTARTABLE_SYSCALLS): Likewise.
Akim Demaille [Fri, 15 Jun 2001 17:40:57 +0000 (17:40 +0000)]
`build_alias' and so on are not AC_SUBST'd.
Reported by Bruno Haible.
* acgeneral.m4 (AC_ARG_VAR): Move the AC_SUBST, from here...
(_AC_ARG_VAR_PRECIOUS): to here.
Pavel Roskin [Fri, 15 Jun 2001 15:53:18 +0000 (15:53 +0000)]
* acheaders.m4 (_AC_CHECK_HEADER_DIRENT): Instead of defining
an unused pointer use cast to this type and `if' statement to
avoid warnings from the compiler.
(AC_HEADER_TIME): Likewise.
* actypes.m4 (AC_CHECK_MEMBER): s/foo/ac_aggr/. Use the member
in `if' statement to avoid warnings from the compiler. Declare
ac_aggr static to avoid the need to initialize it.
Akim Demaille [Tue, 12 Jun 2001 10:16:49 +0000 (10:16 +0000)]
* autoscan.in (&output_kind): Output the comment only if it exists.
(%kind_comment): Add entry for `programs'.
(&output_programs): Use &output_kind.
(&output_functions, &output_identifiers, &output_headers)
(&output_programs): Inline, and remove.
Akim Demaille [Sat, 9 Jun 2001 18:28:20 +0000 (18:28 +0000)]
* doc/autoconf.texi: Talk about here documents and speedups.
Do not use "echo" on arbitrary strings.
Spell "here-documents" consistently with the standard.
Akim Demaille [Wed, 6 Jun 2001 08:49:33 +0000 (08:49 +0000)]
Invoking AC_COPYRIGHT before AC_INIT fails.
* Makefile.am (.m4.m4f): Pass --fatal-warnings to m4.
* acgeneral.m4 (_m4_divert(VERSION_FSF))
(_m4_divert(VERSION_USER)): New.
(AC_COPYRIGHT): $2 is the diversion to use.
(_AC_INIT_COPYRIGHT): Use the FSF diversion.
(AC_INIT): Remove dead comments as now it's commutative.
Akim Demaille [Sat, 2 Jun 2001 15:45:32 +0000 (15:45 +0000)]
GNU getopt, when POSIXLY_CORRECT does not permute options and
arguments. So pass the options first.
Fixes PR autoconf/184.
* autoconf.sh (m4_prefiles, m4f_prefiles): New variables.
(run_m4): Remove files.
(run_m4f): Remove.
Update remainder of script to use them.
(for warning in): Do not use a literal comma as it will not be
split by IFS.
Akim Demaille [Sat, 2 Jun 2001 15:01:13 +0000 (15:01 +0000)]
* aclang.m4 (AC_PROG_F77): Add Fujitsu's "frt" to the list of
Fortran compilers to check.
(_AC_PROG_F77_V): Add '-###' as a possible option to print
information on library and object files.
(AC_PROG_CXX): Add Fujitsu's "FCC" to the list of C++ compilers
to check.
Pavel Roskin [Sat, 2 Jun 2001 05:49:54 +0000 (05:49 +0000)]
* acgeneral.m4 (_AC_INIT_PREPARE): Don't rely on $? in the traps
for signals other than 0 - exit with code 1.
* m4sh.m4 (AS_TMPDIR): Likewise.
* autoconf.in: Likewise. Also don't rely on exit == exit $?.
* autoheader.in: Likewise.
* autoreconf.in: Likewise.
* tests/torture.at (Signal handling): New test for the above.
Pavel Roskin [Wed, 23 May 2001 12:27:56 +0000 (12:27 +0000)]
* aclang.m4 (AC_PROG_CPP): Use `break' instead of `break 2' since
_AC_PROG_PREPROC_WORKS_IFELSE expands arguments outside the loop.
(AC_PROG_CXXCPP): Likewise.
Akim Demaille [Sat, 19 May 2001 15:15:54 +0000 (15:15 +0000)]
* tests/compile.at (GNU Fortran 77): Don't AS_EXIT when using
AT_CHECK_MACRO since it skips tests embedded in configure.ac.
Remove files which might have been created when invoking the
compiler.
Reported by Nicolas Joly.
Akim Demaille [Fri, 11 May 2001 15:54:43 +0000 (15:54 +0000)]
* aclang.m4 (_AC_PROG_PREPROC_WORKS_IFELSE): No longer use the
`maybe' strategy: first try cpp's exit status, then its stderr.
(AC_PROG_CPP, AC_PROG_CXXCPP): Adjust.
* tests/compile.at (AC_PROG_CPP via CC): Simplify mycc.
Remove unrelated code.
If AC_PROG_CC is invoked but not AC_PROG_CPP, then CPPFLAGS is not
AC_SUBST'ed.
Reported by Ralf Corsepius.
* aclang.m4 (_AC_ARG_VAR_CPPFLAGS, _AC_ARG_VAR_LDFLAGS): New.
(AC_PROG_CC, AC_PROG_CPP, AC_PROG_CXX, AC_PROG_CXXCPP)
(AC_PROG_F77): Use them.
* aclang.m4 (_AC_PROG_PREPROC_WORKS): Rename and extend as...
(_AC_PROG_PREPROC_WORKS_IFELSE): this.
Adjust to admit
(AC_PROG_CPP, AC_PROG_CXXCPP): Use it.
Reported by Daniel Carroll.
Pavel Roskin [Thu, 26 Apr 2001 14:07:44 +0000 (14:07 +0000)]
* acgeneral.m4 (_AC_OUTPUT_CONFIG_STATUS): Use two backslashes
before double quotes in the copyright notice, since the native
OpenBSD shell removes single backslashes in here-documents with
unquoted delimiters.