changelog

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2002-12-03  Paul Eggert  <[e-mail]>

	Version 2.57.

	* NEWS, configure.ac: Update version.

	* doc/fdl.texi: Upgrade to FDL version 1.2.

	* lib/autoconf/c.m4 (AC_LANG_FUNC_LINK_TRY(C)): Use the function f
	nontrivially in main's body, so that f's external declaration is
	not optimized away in AIX.  This should fix the bug reported by
	Martin Frydl in
	<http://mail.gnu.org/pipermail/autoconf/2002-November/014508.html>.

	* lib/autoconf/c.m4 (AC_LANG_FUNC_LINK_TRY(C),
	_AC_PROG_PREPROC_WORKS_IFELSE): Use <limits.h> if __STDC__ is
	defined, to support freestanding compilers.  This should fix the
	bug reported by Momchil Velkov in
	<http://mail.gnu.org/pipermail/autoconf/2002-November/014490.html>.

	* doc/autoconf.texi (Obsolete Macros): Fix typos (insert empty
	arg, AC_DEFINE -> AC_DEFINE_UNQUOTED) in documentation for
	obsolete AC_CHECK_TYPE.  The missing empty arg was reported
	by Simon Josefsson in
	<http://mail.gnu.org/pipermail/autoconf-patches/2002-December/008830.html>.

	* Makefile.maint (www-gnu): New macro.
	(standards.texi-url_prefix, make-stds.texi-url_prefix): Use it, as
	the location has moved.

2002-12-02  Martin Frydl  <[e-mail]>
	
	* bin/autom4te.in (at_flatten): rewritten to avoid M4 problem when
	\(.*\) match is too long and there is something more to be checked.
	<http://mail.gnu.org/pipermail/autoconf/2002-November/014524.html>

2002-11-15  Akim Demaille  <[e-mail]>

	Version 2.56.

	* config/install-sh: chmod +x.
	From Paul Eggert.
	* config/move-if-change: Indenting changes.
	* Makefile.am (AUTOMAKE_OPTIONS): Move to...
	* configure.ac (AM_INIT_AUTOMAKE): here.
	Require 1.7.1.

2002-11-14  Akim Demaille  <[e-mail]>

	Version 2.55.

	* config/config.guess, config/config.sub, config/install-sh:
	Update from masters.

2002-11-14  Akim Demaille  <[e-mail]>

	* Makefile.maint: Sync with Bison, i.e.:
	(po-check): Scan .l and .y files instead of the
	.c and the .h files that they generate.  This fixes the bug
	reported by Tim Van Holder in:
	<http://mail.gnu.org/pipermail/bison-patches/2002-November/001352.html>
	Look for N_ as well as for _.  Try to avoid matching #define for
	N_ and _.
	From Paul Eggert.

2002-11-14  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (C Compiler): Compiling several files at once.
	From Paul Eggert and Albert Chin-A-Young.

2002-11-14  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (C Compiler): Solitary backslashes.
	From Paul Eggert and Albert Chin-A-Young.

2002-11-14  Kevin Ryde  <[e-mail]>

	* lib/autoconf/c.m4 (AC_LANG_FUNC_LINK_TRY(C)): Initialize f=$1 rather
	than assigning in main, to avoid HP cc +O3 optimizing it away.

2002-11-12  Peter Eisentraut  <[e-mail]>

	* lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Add -q
	option.  Process --recheck after parsing all options.  Pass -q
	option to configure on --recheck.
	(AC_OUTPUT): Pass -q from configure to config.status.
	* lib/autoconf/general.m4 (_AC_INIT_PREPARE): Strip -q from
	arguments to record.
	* doc/autoconf.texi (config.status Invocation): Document
	config.status -q option.

2002-11-07  Alexandre Duret-Lutz  <[e-mail]>

	* bin/autoscan.in (scan_file): Scan Makefile.am too. Ignore
	Makefile.in if Makefile.am exists.
	(output): Strip `.am' from Makefiles.  Don't
	output AC_CONFIG_FILES if no Makefiles were found.

2002-11-07  Akim Demaille  <[e-mail]>

	* Makefile.am (cvs_files): Add elisp-comp, mdate-sh.
	(local_updates): New.
	* Makefile.maint: Update, from CVS Bison.
	(local_updates): New.

2002-11-06  Akim Demaille  <[e-mail]>

	* lib/autoconf/c.m4 (AC_LANG_FUNC_LINK_TRY): Wrap the `f'
	declaration in extern "C" too.
	Reported by Roberto Bagnara.

2002-11-06  Akim Demaille  <[e-mail]>

	* tests/torture.at (Configuring subdirectories): Don't use grep
	-w.
	* doc/autoconf.texi (Limitations of Usual Tools): Grep -w.
	Reported by Ezra Peisach.

2002-11-05  Akim Demaille  <[e-mail]>

	* lib/autoconf/autoheader.m4 (_AH_TEMPLATE_OLD, _AH_VERBATIM_OLD):
	Remove.
	We _have_ to stop using the old compatibility scheme that tried to
	avoid useless backslashes because Libtool 1.4.3 contains a
	AC_DEFINE([error_t], [int],
	[Define to a type to use for \`error_t' if it is not
	otherwise available.])
	We _have_ to quote the single quote and backslashes with \.  The
	old compatibility scheme saw that ` was backslashed, and therefore
	did not quote the single quote.  Hence before this patch, Autoconf
	was not compatible with Libtool.

2002-11-04  Paul Eggert  <[e-mail]>

	* lib/m4sugar/m4sh.m4 (AS_SHELL_SANITIZE): Set the following variables,
	too: LC_ADDRESS, LC_IDENTIFICATION, LC_MEASUREMENT, LC_MONETARY,
	LC_NAME, LC_PAPER, LC_TELEPHONE.
	* doc/autoconf.texi (Special Shell Variables): Mention those vars.

2002-11-04  Akim Demaille  <[e-mail]>

	Version 2.54c.

	* Makefile.maint (update, cvs-update, po-update, do-po-update):
	New.
	* config/texinfo.tex: Update.

2002-11-03  Akim Demaille  <[e-mail]>

	* bin/autoreconf.in (&autoreconf_current_directory): New, extracted
	from...
	(&autoreconf): here.
	($help, $make, &parse_args, &autoreconf_current_directory):
	Support -m/--make.
	* doc/autoconf.texi (autoreconf Invocation): Adjust.

2002-10-31  Bruno Haible  <[e-mail]>

	* lib/autoconf/functions.m4 (_AC_FUNC_MALLOC_IF): Change message.
	Change name of cache variable to ac_cv_func_malloc_0_nonnull.
	(AC_FUNC_MALLOC): Change description of HAVE_MALLOC macro.
	(_AC_FUNC_REALLOC_IF): Change message. Change name of cache variable
	to ac_cv_func_realloc_0_nonnull.
	(AC_FUNC_REALLOC): Change description of HAVE_REALLOC macro.

2002-10-31  Akim Demaille  <[e-mail]>

	The test suite was no longer checking for trailing envvars and files.

	* tests/atspecific.m4 (AC_STATE_SAVE): Don't use quadrigraphs here.
	(AT_CHECK_ENV): Make sure the `state-ls.before file exists.

2002-10-31  Akim Demaille  <[e-mail]>

	* lib/autoconf/programs.m4 (AC_PROG_MAKE_SET): Use and display
	`$(MAKE)' instead of '${MAKE}' to emphasize that we refer to the
	Make variable, not a shell variable.
	Suggested by Bruno Haible.

2002-10-31  Akim Demaille  <[e-mail]>

	* bin/autom4te.in (load_configuration): Reject #args out of any
	language.

2002-10-31  Akim Demaille  <[e-mail]>

	* lib/autoconf/general.m4 (_AC_MSG_LOG_CONFTEST): New.
	(_AC_PREPROC_IFELSE, _AC_COMPILE_IFELSE, _AC_LINK_IFELSE)
	(_AC_RUN_IFELSE): Use it.
	* lib/autoconf/lang.m4 (_AC_COMPILER_OBJEXT):
	(_AC_COMPILER_EXEEXT_DEFAULT): Likewise.
	* lib/autoconf/c.m4 (AC_LANG_SOURCE): Don't include confdefs.h,
	inline it.

2002-10-30  Akim Demaille  <[e-mail]>

	* bin/autom4te.in (&parse_args, $help): Support --no-cache.
	* doc/autoconf.texi (autom4te Invocation): Adjust.
	Suggested by Tim van Holder.

2002-10-29  Paul Eggert  <[e-mail]>

	* doc/autoconf.texi (Particular Functions): AC_FUNC_MALLOC and
	AC_FUNC_REALLOC check for compatibility with glibc, not POSIX.
	Problem reported by Bruno Haible.

2002-10-29  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Header Templates): Put also in words what the
	pictures says to assist free style readers.
	(Customizing autom4te): s/--cache=/--cache /.

2002-10-29  Akim Demaille  <[e-mail]>

	* lib/autoconf/functions.m4 (_AC_FUNC_VFORK): Include stdlib.h and
	sys/wait.h.
	sparc_address_test returns void.
	Use it with an argument, as prototyped.
	From Bruno Haible.

2002-10-29  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Subdirectories): Cygnus dirs have
	configure.in, not configure.ac.
	Reported by Bruno Haible.

2002-10-29  Akim Demaille  <[e-mail]>

	* tests/torture.at (Deep Package): New test.
	(Configuring subdirectories): Don't use a testSubDir as Autotest
	now does it itself.

2002-10-29  Akim Demaille  <[e-mail]>

	* bin/autoreconf.in (&parse_args, $help): Support --warnings.
	* doc/autoconf.texi (Invoking autom4te): Rename as...
	(autom4te Invocation): this, for consistency with the other nodes.

2002-10-29  Akim Demaille  <[e-mail]>

	* lib/autom4te.in (Autoconf): s/automate/autom4te/.
	Reported by Ralf Corsepius.

2002-10-29  Akim Demaille  <[e-mail]>

	* lib/m4sugar/m4sh.m4 (_AS_QUOTE): The warning about quoted
	characters is a back as an `obsolete' warning now.
	Reported by Ralf Corsepius.

2002-10-28  Akim Demaille  <[e-mail]>

	* configure.ac: Bump to 2.54c.

2002-10-28  Akim Demaille  <[e-mail]>

	Version 2.54b.

	* tests/foreign.at (Libtool): Adjust to broken libtoolize.

2002-10-28  Akim Demaille  <[e-mail]>

	* tests/atspecific.m4 (AT_CHECK_AUTOM4TE): Be robust to different
	m4 executable names, and different GNU M4 version.
	Reported by Ezra Peisach and Paul Jarc.

2002-10-27  Akim Demaille  <[e-mail]>

	* lib/autoconf/functions.m4 (_AC_FUNC_VFORK): Really use
	AC_RUN_IFELSE.

2002-10-27  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi: More AC_MSG_FAILURE promotion.
	* lib/autoconf/fortran.m4 (_AC_F77_NAME_MANGLING):
	Die when a simple Fortran program cannot be compiled.
	* lib/autoconf/lang.m4 (AC_LANG_CALL, AC_LANG_FUNC_LINK_TRY):
	Issue a warning if no function is given.

2002-10-27  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Run Time): Document AC_RUN_IFELSE.
	Move the documentation of AC_TRY_RUN to...
	(Obsolete Macros): here.
	Adjust all the old samples still using AC_TRY_RUN to AC_RUN_IFELSE.
	(autoconf Invocation): Remove the duplicates with `invoking
	autom4te'.
	* lib/autoconf/headers.m4 (AC_HEADER_STDC): Don't use AC_TRY_RUN.
	* lib/autoconf/c.m4 (AC_C_BIGENDIAN): Likewise.

2002-10-27  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Generating Sources): Document AC_LANG_CALL
	and AC_LANG_FUNC_LINK_TRY.
	(Examining Libraries): Rename as...
	(Running the Linker): this.
	Document AC_LINK_IFELSE.
	Move the documentation of AC_TRY_LINK and AC_TRY_LINK_FUNC to...
	(Obsolete Macros): here.
	* lib/autoconf/fortran.m4 (_AC_F77_NAME_MANGLING): Don't use
	AC_TRY_LINK_FUNC nor AC_TRY_LINK.
	* lib/autoconf/libs.m4 (AC_CHECK_LIB, AC_PATH_XTRA): Likewise.
	* lib/autoconf/headers.m4 (AC_USG): Likewise.

2002-10-27  Akim Demaille  <[e-mail]>

	* lib/autoconf/headers.m4 (AC_HEADER_STDC): Don't use AC_TRY_CPP.

	More `check config.log' messages.

	* lib/autoconf/general.m4 (AC_MSG_FAILURE): New.
	* doc/autoconf.texi (Printing Messages): Document it.
	* lib/autoconf/types.m4 (AC_CHECK_SIZEOF): Use it when
	appropriate.
	* lib/autoconf/lang.m4 (_AC_COMPILER_EXEEXT_DEFAULT)
	(_AC_COMPILER_EXEEXT_WORKS, _AC_COMPILER_EXEEXT_O)
	(_AC_COMPILER_OBJEXT): Likewise.
	* lib/autoconf/general.m4 (AC_RUN_IFELSE): Likewise.
	* lib/autoconf/fortran.m4 (_AC_LANG_PROGRAM_C_F77_HOOKS):
	Likewise.
	* lib/autoconf/c.m4 (AC_PROG_CPP, AC_PROG_CC, AC_PROG_CXXCPP):
	Likewise.

	Deprecate macros with unusual interfaces.

	* lib/autoconf/general.m4 (AC_TRY_CPP, AC_TRY_LINK)
	(AC_TRY_COMPILE, AC_TRY_RUN): AU_DEFUN'ed.

	Document the new ones, and proper style.

	* doc/autoconf.texi (Generating Sources): New.
	Document AC_LANG_CONFTEST, AC_LANG_SOURCE, AC_LANG_PROGRAM.
	(Examining Declarations): Rename as...
	(Running the Preprocessor): this.
	Document AC_PREPROC_IFELSE.
	(Examining Syntax): Rename as...
	(Running the Compiler): this.
	(AC_FOO_IFELSE vs AC_TRY_FOO): New section.
	(Obsolete Macros): Move the definition of AC_TRY_CPP and
	AC_TRY_COMPILE here.

2002-10-27  Akim Demaille  <[e-mail]>

	Move sections around.

	* doc/autoconf.texi (Customizing autom4te): Remove a lost
	sentence.
	Reported by Burno Haible.
	(Language Choice): Now the first section of...
	(Writing Tests): this section.
	Make the introduction less C-centric.
	(Guidelines, Test Functions): Move to...
	(Writing Test Programs): this new section.
	(Test Programs): Merge into...
	(Run Time): this.

2002-10-27  Akim Demaille  <[e-mail]>

	* lib/freeze.mk ($(AUTOM4TE_CFG)): Add a missing dependency on
	autom4te.in that resulted in the need for two `make' runs.

2002-10-27  Akim Demaille  <[e-mail]>

	* configure.ac: Bump to 2.54b.

2002-10-25  Akim Demaille  <[e-mail]>

	Version 2.54a.

	* Makefile.maint: Update from the Coreutils.
	(AMTAR): Remove, obsolete.
	(automake_repo): Update to redhat.com.
	(cvs_file): New.
	Adjust to the fact that ansi2knr is now hosted by Automake.
	* Makefile.am (cvs_files): Add install-sh and mkinstalldirs.
	* config/config.guess, config/mkinstalldirs, config/texinfo.tex:
	Update from masters.
	* lib/autoscan/Makefile.am (EXTRA_DIST, nodist_autoscanlib_DATA):
	autoscan.pre is not to be installed, and autoscan.list is not to
	be shipped.
	(CLEANFILES): Add autoscan.list.
	(autoscan.list): Disable the cache.
	* bin/Makefile.am: Include freeze.mk.

2002-10-25  Akim Demaille  <[e-mail]>

	* bin/autom4te.in (&load_configuration): Take the file as
	argument.
	(&parse_args): Handle -C, --cache.
	($help): Adjust.
	(MAIN): Load ~/.autom4te.cfg and ./.autom4te.cfg.