Paul Eggert [Sat, 27 May 2006 02:54:33 +0000 (02:54 +0000)]
* doc/autoconf.texi (Particular Programs, Limitations of Usual Tools):
Use better wording to talk about AC_PROG_MKDIR_P's thread-safety.
Don't use the term "thread-safe" to talk about mkdir race
conditions, since the problem is more a process than a thread
issue. Problem reported by Stepan Kasal in:
http://lists.gnu.org/archive/html/autoconf-patches/2006-05/msg00088.html
* lib/autoconf/programs.m4 (AC_PROG_MKDIR_P): Use code that mimics
the test for 'install' more closely. Look at MKDIR_P first.
Look in the PATH, and at /opt/sfw/bin.
Look for a 'gmkdir' program as well (Solaris 10 /opt/sfw/bin/gmkdir).
Don't bother to try mkdir -p, since we already check mkdir --version;
just look at the version number. (There's no easy way to check
for race-free implementations.)
* tests/tools.at (autoconf: subdirectories): Adjust to above
changes, since MKDIR_P now might end in "/mkdir -p".
Paul Eggert [Fri, 26 May 2006 22:29:50 +0000 (22:29 +0000)]
* NEWS: Mention that AC_TRY_COMMAND and AC_TRY_EVAL may be removed.
* doc/autoconf.texi (Special Chars in Variables): New section.
(Preset Output Variables): Warn about special chars in CPPFLAGS.
(Installation Directory Variables): Quote $(datadir) better.
(Limitations of Builtins): Describe some of eval's trickiness.
* lib/autoconf/c.m4 (AC_PROG_CC_C_O): Simplify quoting.
* lib/autoconf/fortram.m4 (_AC_PROG_FC_V_OUTPUT): Likewise.
* lib/autoconf/general.m4 (_AC_INIT_PREPARE): Put leading space
in front of every arg, not just trailing args. Quote apostrophes.
(_AC_EVAL_ECHO): New macro.
(_AC_EVAL, AC_EVAL_STDERR): Use it. Quote arg of eval.
(AC_TRY_EVAL, AC_TRY_COMMAND): Mention that these macros might get
removed.
(_AC_LINK_IFELSE): Use proper rule for shell continuation lines,
exposed by quoting of eval argument. Put the command on line line
so it logs better.
* lib/autoconf/libs.m4 (_AC_PATH_X_XMKMF): Use eval more safely.
(_AC_PATH_X, AC_PATH_X): Quote more safely.
* lib/autoconf/programs.m4 (AC_PROG_MAKE_SET): Use eval more safely.
* lib/autoconf/specific.m4 (AC_SYS_LONG_FILE_NAMES): Don't use eval.
* lib/autoconf/status.m4 (_AC_OUTPUT_SUBDIRS): Minor style change.
Handle special chars in prefix, ac_srcdir, ac_aux_dir.
Use eval more safely.
(_AC_OUTPUT_CONFIG_STATUS): Adjust to above changes.
* lib/m4sugar/m4sh.m4 (AS_VAR_GET): Note that this API needs
to be replaced.
* tests/base.at (AC_TRY_COMMAND): Use proper rule for shell continuation
lines, exposed by quoting of eval argument.
Ralf Wildenhues [Fri, 26 May 2006 17:25:35 +0000 (17:25 +0000)]
* lib/autoconf/lang.m4 (_AC_COMPILER_EXEEXT_DEFAULT): Drop the
initialization of `ac_cv_exeext', do not override it if it was
already set, unless it was set to `no', for compatibility with
Autoconf-2.13, and comment this.
Do not export `ac_cv_exeext', Libtool hasn't needed this for years.
(_AC_COMPILER_EXEEXT_DEFAULT): Likewise, do not export it.
(_AC_COMPILER_EXEEXT_WORKS, _AC_COMPILER_EXEEXT_CROSS): Typos.
* doc/autoconf.texi (Compilers and Preprocessors) <EXEEXT>:
Document that this test may be overridden by setting
`ac_cv_exeext'.
2006-04-01 Stepan Kasal <kasal@ucw.cz>
Clean up _AC_COMPILER_EXEEXT* macros.
* lib/autoconf/lang.m4 (_AC_COMPILER_EXEEXT_DEFAULT): Don't try to
detect exeext, it will be done by _AC_COMPILER_EXEEXT_O; just set
ac_file to the name of the default output file and call
_AC_COMPILER_EXEEXT_WORKS. Move the definition of ac_files and the
initial `rm' of the candidate files...
(_AC_COMPILER_EXEEXT): ... here and simplify them. Moreover, use
the same list in subsequent `rm' calls, and for the temporary
redefinition of ac_clean_files; call _AC_COMPILER_OBJEXT at the end,
and don't call the other _AC_COMPILER_EXEEXT_* macros directly, use...
(_AC_COMPILER_EXEEXT_TESTS): ... this new macro.
(_AC_COMPILER_EXEEXT_O): Don't export ac_cv_exeext, it's not needed (or
no longer needed) by libtool. Make it a cache check.
(_AC_COMPILER_EXEEXT_CROSS): Remove the comment, it was obviously
copied here by mistake.
(AC_NO_EXECUTABLES): Redefine _AC_COMPILER_EXEEXT_TESTS, not
_AC_COMPILER_EXEEXT.
* lib/autoconf/c.m4 (AC_PROG_CC, AC_PROG_CXX, AC_PROG_OBJC): Do not call
_AC_COMPILER_OBJEXT directly.
* lib/autoconf/fortran.m4 (_AC_PROG_FC): Likewise.
Ralf Wildenhues [Thu, 25 May 2006 10:25:44 +0000 (10:25 +0000)]
Sync from Automake:
* lib/Autom4te/XFile.pm (lock): Allow EOPNOTSUPP, besides
ENOLCK. Only mention `make -j' when applicable. Only raise
fatal errors when `make -j' is involved. Improve error message.
Ralf Wildenhues [Wed, 24 May 2006 03:46:00 +0000 (03:46 +0000)]
* tests/autotest.at (Multiline command from M4 expansion):
No failure to be expected if the shell quotes newlines in
commands in the `set -x' output. Report by Tim Rice.
* THANKS: Update.
Paul Eggert [Tue, 23 May 2006 23:30:57 +0000 (23:30 +0000)]
Fix a bug in the previous patch: it assumed that echo '...\...' had
the BSD interpretation rather than the SysV interpretation. Use
a short here-document instead.
Paul Eggert [Tue, 23 May 2006 23:07:50 +0000 (23:07 +0000)]
* lib/autoconf/status.m4 (_AC_OUTPUT_HEADER): Don't use shell
expansion in the here-documents used by config.status, as that
runs afoul of the Korn shell version M-12/28/93d bug described in
the Autoconf manual, and this in turn causes a Coreutils 5.95 build to
fail as described by Tim Rice and diagnosed by Ralf Wildenhues in
<http://lists.gnu.org/archive/html/bug-autoconf/2006-05/msg00082.html>.
Paul Eggert [Tue, 23 May 2006 08:27:32 +0000 (08:27 +0000)]
* lib/autoconf/status.m4 (_AC_OUTPUT_HEADER): Simplify ac_dA and
ac_dB slightly, to save bytes in the script.
Max out at 50 lines, rather than 96; this is more likely
(though not guaranteed) to avoid obscure 'sed' failures.
Ralf Wildenhues [Tue, 23 May 2006 04:44:27 +0000 (04:44 +0000)]
* lib/autotest/general.m4 (AT_INIT): UnixWare `tr' may interpret
`tr -d -' as bad option argument. Work around this by deleting
an unrelated character.
Report by Tim Rice <tim@multitalents.net>.
Paul Eggert [Mon, 22 May 2006 17:27:50 +0000 (17:27 +0000)]
* doc/autoconf.texi (Particular Programs): Do not promise that
we always prefer the GNU version of the program, and that we
search according to PATH; both rules can have exceptions.
Update description of AC_PROG_GREP, AC_PROG_EGREP, AC_PROG_FGREP,
AC_PROG_SED. Move descriptions of limitations
to the Limitations of Usual Tools section.
(Limitations of Usual Tools) <sed>: Mention script length
limitations with Solaris /usr/ucb/sed.
<grep>: Fix wording for empty alternative. Mention that -c and
-l should not be combined, and that -E and -F should not be
combined.
Stepan Kasal [Mon, 22 May 2006 15:54:09 +0000 (15:54 +0000)]
* doc/autoconf.texi (Defining Symbols): Literal parameter of
AC_DEFINE is now passed to m4_pattern_allow.
* NEWS: Mention that; likewise for AC_SUBST.
* lib/autoconf/general.m4 (AC_DEFINE_TRACE_LITERAL): Pass
the parameter to m4_pattern_allow.
* tests/tools.at: Add a check for that.
Stepan Kasal [Mon, 22 May 2006 10:28:33 +0000 (10:28 +0000)]
* doc/autoconf.texi (Limitations of Usual Tools) <sed>: For
the HP-UX sed limitation of 99 commands, labels do not count.
* lib/autoconf/status.m4 (_AC_SED_CMD_LIMIT): Mention that
in the comment.
(_AC_OUTPUT_HEADER): Revert the change from 2006-05-19.
Paul Eggert [Mon, 22 May 2006 04:45:03 +0000 (04:45 +0000)]
* lib/autoconf/functions.m4 (AC_FUNC_GETMNTENT):
Import the following fix from coreutils:
2006-01-13 Jim Meyering <jim@meyering.net>
Invoke AC_CHECK_FUNCS(getmntent) unconditionally so that tests of
$ac_cv_func_getmntent (e.g., in gl_LIST_MOUNTED_FILE_SYSTEMS) need
not double-quote uses of that variable, to accommodate the rare
case in which getmntent is available in none of the libraries
checked. This happens at least on FreeBSD 5.0.
Paul Eggert [Sun, 21 May 2006 00:19:42 +0000 (00:19 +0000)]
* lib/autoconf/general.m4 (AC_CONFIG_AUX_DIRS): Bring back
ac_config_guess, ac_config_sub, and ac_configure, since evidently
some other programs unwisely rely on these undocumented vars.
But put in warning comments about them.
Problem reported by Ralf Wildenhues in
<http://lists.gnu.org/archive/html/autoconf-patches/2006-05/msg00068.html>.
* NEWS: Document that these variables are intended to go away.
Paul Eggert [Fri, 19 May 2006 21:02:10 +0000 (21:02 +0000)]
* lib/autoconf/status.m4 (_AC_OUTPUT_HEADER): Fix off-by-one bug
that caused config.status to generate 100-command sed scripts; the
portable limit is 99.
Paul Eggert [Fri, 19 May 2006 04:14:13 +0000 (04:14 +0000)]
* lib/autoconf/status.m4 (_AC_OUTPUT_FILE): Don't prepend
$ac_top_build_prefix to $MKDIR_P if it's just 'mkdir -p'.
* tests/tools.at (autoconf: subdirectories): New test, taken from
the corresponding problem report by Ralf Wildenhues in:
http://lists.gnu.org/archive/html/autoconf-patches/2006-05/msg00053.html
Paul Eggert [Mon, 15 May 2006 02:22:28 +0000 (02:22 +0000)]
* lib/autoconf/headers.m4 (AC_HEADER_STDBOOL): Fix overly-picky
test for C99 conformance; (bool) 0.5 is an integer constant
expression, but (bool) -0.5 is not. Problem reported by Fedor
Sergeev in <http://forum.sun.com/jive/thread.jspa?threadID=96202>.
Paul Eggert [Sat, 13 May 2006 09:54:51 +0000 (09:54 +0000)]
* doc/autoconf.texi (Particular Programs): AC_PROG_MKDIR_P now
sets MKDIR_P, not mkdir_p, to avoid collisions with Automake.
Warn about obsolete install-sh files. Remove stray sentence
fragment and fix cross reference.
* lib/autoconf/programs.m4 (AC_PROG_INSTALL): Don't insist on
install -d; this undoes the 2006-05-10 change.
(MKDIR_P): Mark with AN_MAKEVAR.
(AC_PROG_MKDIR_P): Fall back on $ac_install_sh, not $INSTALL, so
that we don't require $INSTALL to be thread-safe. Move comments
out of generated code. Require AC_CONFIG_AUX_DIR_DEFAULT instead
of AC_PROG_INSTALL. Output a message saying that we're checking
mkdir -p. Set MKDIR_P rather than mkdir_p. Do special magic for
MKDIR_P instead of AC_SUBST.
* lib/autoconf/status.m4 (_AC_OUTPUT_FILE, _AC_OUTPUT_CONFIG_STATUS):
Special magic for MKDIR_P, too.
* lib/m4sugar/m4sh.m4 (AS_MKDIR_P): Remove comment that defeated
a dnl.
* tests/local.at (AT_CHECK_ENV): mkdir_p -> MKDIR_P.
Paul Eggert [Thu, 11 May 2006 19:43:58 +0000 (19:43 +0000)]
Sync from Automake, as follows:
2006-05-11 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* config/install-sh: Initialize IFS, so field splitting isn't
turned off later.
* config/mkinstalldirs: Likewise.
* config/missing: Remove superfluous quotes. Replace all uses of
`[' by `test', for consistency, and for..
* config/missing (sed_minuso, sed_output): New variables.
(autom4te, help2man, makeinfo): Use them. Unifies detection of
`-o FILE', `--output FILE', `--output=FILE', stricter regex.
Fixes `missing' to detect `--output' for help2man. Fixes
PR automake/483. Report by Dennis J. Linse.
(autom4te): Document in `missing --help'.
Paul Eggert [Wed, 10 May 2006 23:05:15 +0000 (23:05 +0000)]
* NEWS: New macro AC_PROG__MKDIR_P. AS_MKDIR_P is now more robust.
* config/install-sh: Don't use 'path' to talk about file names,
as per GNU coding standards. Close a race condition reported by Ralf
Wildenhues and Stepan Kasal. There is still a race condition
on hosts that predate POSIX 1003.1-1992, but we can't help this.
Don't mishandle weird characters like space on pre-POSIX hosts.
Invoke mkdir at most once per dir arg on pre-POSIX hosts.
* doc/autoconf.texi (Programming in M4sh): Cross-reference to
AC_PROG_MKDIR_P from AS_MKDIR_P.
(Limitations of Usual Tools): Cross-reference to AC_PROG_MKDIR_P
from mkdir. Mention that Autoconf 2.60 install-sh is safe but
earlier editions are not (including Automake 1.8.3).
Do not suggest mkinstalldirs for thread-safety.
* lib/m4sugar/m4sh.m4 (AS_MKDIR_P): Make it more robust in the
presence of special characters and race conditions.
* tests/local.at (AT_CHECK_ENV): Add mkdir_p to the list of variables
in Autoconf's name space.
* lib/autoconf/programs.m4 (AC_PROG_MKDIR_P): New macro, taken
from Automake with minor changes.
* doc/autoconf.texi (Particular Programs): Document AC_PROG_MKDIR_P.
Ralf Wildenhues [Tue, 9 May 2006 21:26:36 +0000 (21:26 +0000)]
* tests/Makefile.am (AUTOTEST): Use `$(MY_AUTOM4TE)' instead of
`./autom4te' to create `./testsuite', since the `all' target
will ensure its presence, but `installcheck' should not create
the uninstalled wrappers.
Ralf Wildenhues [Sun, 7 May 2006 20:36:01 +0000 (20:36 +0000)]
* lib/autoconf/c.m4 (AC_PROG_CC_STDC): If ac_cv_prog_cc_stdc
is set to `no', then that overrides and sets ac_cv_prog_cc_c89
and ac_cv_prog_cc_c99 to `no', for backward compatibility.
* NEWS: Update.
Ralf Wildenhues [Sat, 6 May 2006 05:53:50 +0000 (05:53 +0000)]
* lib/autoconf/status.m4 (_AC_OUTPUT_SUBDIRS): Take care not to
munge (multiple) white space and other oddities.
* tests/torture.at (AT_CHECK_AC_ARG_VAR): Make sure to M4-escape
single quotes in variable assignment.
(AC_ARG_VAR, configure invocation): Adjust tests to expose this
and similar failures by adding multiple spaces, tabs, and other
special characters.
Report and different test suggested by Francesco Romani
<fromani@gmail.com> and Andrew Church <achurch@achurch.org>.
Ralf Wildenhues [Sat, 6 May 2006 05:52:28 +0000 (05:52 +0000)]
* lib/autoconf/general.m4 (_AC_INIT_PREPARE): When we escape
single quotes, we only need to search for single quotes; this
both simplifies the search pattern, and makes us less
susceptible to `echo' variations for arguments not containing
single quotes.
(_AC_ARG_VAR_VALIDATE): Likewise.
Ralf Wildenhues [Thu, 4 May 2006 07:08:19 +0000 (07:08 +0000)]
* doc/autoconf.texi (Special Shell Variables) <IFS>: Document
`$*' and IFS concatenation issue with traditional shells and
bash-2.04. Report by Seanster@Seanster.com.
Ralf Wildenhues [Tue, 2 May 2006 20:09:24 +0000 (20:09 +0000)]
* lib/autoconf/general.m4 (_AC_CANONICAL_SPLIT): Cater for
traditional shells like the Solaris one that do not use the
first IFS character for assembling `$*'.
Prompted by a related report from autoconf_bug@nro.ca.
* doc/autoconf.texi (Introduction, Pointers): Use `@/' liberally
in URLs to improve DVI formatted output (requires texinfo 4.6).
(System Services, Systemology, Shellology): Likewise.
(Limitations of Usual Tools): Rewrite Mac OS X example for nicer
output.
Paul Eggert [Wed, 26 Apr 2006 20:30:54 +0000 (20:30 +0000)]
* doc/autoconf.texi (Portable C and C++, Varities of Unportability):
(Integer Overflow, Null Pointers, Buffer Overruns):
(Floating Point Portability, Exiting Portably): New sections.
(Writing Test Programs): Fix some langauge. Recommend exiting
with status 1, not merely nonzero. Clarify exit declaration.
(Run Time): Move C exit status stuff to new Exiting Portably section.
(Systemology): Mention Posix and levenez. Update v7 reference.
(Portable Shell): Mention the Posix shell.
Paul Eggert [Mon, 24 Apr 2006 19:36:01 +0000 (19:36 +0000)]
Undo many of the recent changes, substituting these instead:
* doc/autoconf.texi (Programming in M4sh): Comment out the
documentation of AS_BASENAME, for now.
(Shell Substitutions): Do not use AS_DIRNAME in an example.
(Limitations of Builtins) <basename>: Do not refer to
AS_BASENAME.
* bin/autoconf.as (me): Don't use AS_BASENAME.
(dir): Remove the unused variable.
* lib/m4sugar/m4sh.m4 (_AS_DETECT_REQUIRED): Renamed from
AS_DETECT_REQUIRED. All uses changed.
(_AS_DETECT_SUGGESTED): Renamed from AS_DETECT_SUGGESTED.
All uses changed.
(_AS_DETECT_BETTER_SHELL): Put ;; at the end of a case.
(AS_BASENAME): Use "basename --" to protect against leading "-".
(_AS_BASENAME_EXPR): Renamed from AS_BASENAME_EXPR. All uses changed.
(_AS_BASENAME_SED): Renamed from AS_BASENAME_SED. All uses changed.
(_AS_BASENAME_PREPARE): Reject implementations that cannot handle "--".
(_AS_DIRNAME_PREPARE): Likewise.
(_AS_DIRNAME_EXPR): Renamed from AS_DIRNAME_EXPR. All uses changed.
(_AS_DIRNAME_SED): Renamed from AS_DIRNAME_SED. All uses changed.
(AS_DIRNAME): Use "dirname --".
Paul Eggert [Mon, 24 Apr 2006 06:51:53 +0000 (06:51 +0000)]
* doc/autoconf.texi (Runtime): Renamed from "Run Time". All uses
of "run time" and "run-time" changed to "runtime", for consistency.
* lib/autoconf/fortran.m4: Likewise (in comment).
* lib/autoconf/functions.m4: Likewise.
* lib/autoconf/general.m4: Likewise.
* lib/autoconf/headers.m4: Likewise.
Paul Eggert [Sun, 23 Apr 2006 08:41:06 +0000 (08:41 +0000)]
* NEWS: Remove mention of AS_VAR_SET_BASENAME and AS_VAR_SET_DIRNAME.
* doc/autoconf.texi (Programming in M4sh): Remove mention of
AS_VAR_SET_BASENAME, AS_VAR_SET_DIRNAME, and AS_BASENAME.
We have to keep AS_DIRNAME since it was part of a stable Autoconf,
but AS_BASENAME doesn't have to be supported.
Paul Eggert [Sun, 23 Apr 2006 08:13:43 +0000 (08:13 +0000)]
* NEWS: Update wording to say merely "should" for AS_DIRNAME
and AS_BASENAME.
* lib/m4sugar/m4sh.m4 (AS_BASENAME, AS_DIRNAME): Bring these
back, albeit undocumented. Programs now have a grace period
to switch to AS_VAR_SET_DIRNAME and AS_VAR_SET_BASENAME.
* doc/autoconf.texi (Introduction): The GNU Autoconf Macro
Archive is not officially `GNU' any more. Update URL.
(Defining Directories): Likewise
* lib/autoconf/c.m4 (AC_C_RESTRICT): Update URL.
Paul Eggert [Sun, 23 Apr 2006 06:49:53 +0000 (06:49 +0000)]
* NEWS: Remove AS_DIRNAME and AS_BASENAME, replacing them with
AS_VAR_SET_DIRNAME and AS_VAR_SET_BASENAME.
* doc/autoconf.texi (Programming in M4sh): Document this. All uses
changed. The newer interfaces are more reliable, as they allow
implementations that handle trailing newline correctly. For now,
we're in a freeze, so I did not include the more-reliable
implementations, but I wanted to correct the interface before 2.60
goes out.
* lib/m4sugar/m4sh.m4 (_AS_DETECT_REQUIRED): Renamed from
AS_DETECT_REQUIRED. All uses changed.
(_AS_DETECT_SUGGESTED): Renamed from AS_DETECT_SUGGESTED.
All uses changed.
(_AS_DETECT_BETTER_SHELL): Put ;; at the end of a case.
(_AS_BASENAME): Renamed from AS_BASENAME. All uses changed.
Use "basename --" to protect against leading "-".
(_AS_BASENAME_EXPR): Renamed from AS_BASENAME_EXPR. All uses changed.
(_AS_BASENAME_SED): Renamed from AS_BASENAME_SED. All uses changed.
(_AS_BASENAME_PREPARE): Reject implementations that cannot handle "--".
(_AS_DIRNAME_PREPARE): Likewise.
(_AS_DIRNAME): Renamed from AS_DIRNAME. All uses changed.
(_AS_DIRNAME_EXPR): Renamed from AS_DIRNAME_EXPR. All uses changed.
(_AS_DIRNAME_SED): Renamed from AS_DIRNAME_SED. All uses changed.
Use "dirname --".
(AS_VAR_SET_BASENAME, AS_VAR_SET_DIRNAME): New macros.
* tests/m4sh.at (AS_VAR_SET_DIRNAME): Renamed from AS_DIRNAME.
Test the new API. Don't test internals, since they're probably
going to change anyway.
(AS_VAR_SET_BASENAME): Likewise, renamed from AS_BASENAME.
* bin/autoconf.as: Don't use AS_BASENAME or AS_DIRNAME. This
removes a bootstrapping problem with the changes described above.
The AS_DIRNAME part wasn't used, anyway, and the AS_BASENAME
part can be done portably without all the deep Autoconf magic.
Paul Eggert [Wed, 19 Apr 2006 18:16:36 +0000 (18:16 +0000)]
* lib/autoconf/general.m4 (_AC_INIT_PREPARE): Remove the leading
newline from the `trap' code to finish `config.log'; the NetBSD
/bin/sh resets the exit status after an empty command, as
documented in doc/autoconf.texi.
Paul Eggert [Wed, 19 Apr 2006 04:13:48 +0000 (04:13 +0000)]
* configure.ac (ac_cv_sh_n_works): Don't try to test for it, since
some shells (e.g., Solaris 8 /bin/sh) implement it verrrry slowly.
Instead, just list the shells that we know work.
* tests/local.at (AT_CHECK_SHELL_SYNTAX): Remove 2nd arg. All uses
changed. Be more cautious about the _cv_ variable.
* tests/tools.at (Syntax of the shell scripts): Check the
_cv_ variable once, at first, to avoid an internal autoconf error
when sh -n does not work.
Paul Eggert [Mon, 17 Apr 2006 06:10:50 +0000 (06:10 +0000)]
* lib/autoconf/general.m4 (_AC_INIT_CONFIG_LOG): Don't
use ">&-" since we're only 99.999% sure that this is portable,
and since the MinGW bug is fixed in a different way.
* lib/autotest/general.m4 (AT_INIT): Likewise.
* lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Handle --recheck
before opening config.log, to avoid hitting a bug on MinGW.
Paul Eggert [Sat, 15 Apr 2006 01:13:32 +0000 (01:13 +0000)]
* lib/autoconf/general.m4 (_AC_INIT_CONFIG_LOG): Close
AS_MESSAGE_LOG_FD before reopening it onto the log file.
This works around a MinGW bug reported by Eric Paire.
Make sure that all writes to the log file append to it,
rather than possibly losing data.
* lib/autotest/general.m4 (AT_INIT): Likewise.
projects / thirdparty / autoconf.git / log
