changelog

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	* lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS):
	Invoke _AS_PREPARE (not AS_PREPARE) in addition to
	AS_SHELL_SANITIZE.

	Use this M4sh to generate Autoconf's shell scripts.

	* tests/wrapsh.as: New, precursor of wrapsh.in.
	* tests/Makefile.am: Include lib/freeze.mk to get the dependencies
	on Autotest and M4sh.
	($(TESTSUITE)): Use $(autotest_m4f_dependencies).
	(wrapsh.in): New target.
	* bin/autoconf.as: New, precursor of autoconf.in.
	(autoconf.in): New target.

2002-04-09  Alexandre Duret-Lutz  <[e-mail]>

	* doc/autoconf.texi (Limitations of Make): Mention the issue
	with indented comments in rules.

2002-04-09  Andreas Schwab  <[e-mail]>

	* lib/autoconf/status.m4 (_AC_SRCPATHS): Handle empty
	ac_top_builddir when setting ac_abs_top_builddir.

2002-04-06  Kevin Ryde  <[e-mail]>

	* doc/autoconf.texi (Systemology): Add link to Unix V7 online docs.
	(Portable Shell): Cross reference to Systemology.

2002-04-05  Akim Demaille  <[e-mail]>

	* bin/autoreconf.in (autoreconf): Be sure to accumulate the
	directories when descending in a SUBDIRS.
	Reported by Ezra Peisach.

2002-04-04  Andreas Schwab  <[e-mail]>

	* lib/m4sugar/m4sh.m4 (_AS_PATH_WALK): Only simplify if path
	contains no literal separators.

2002-04-03  Akim Demaille  <[e-mail]>

	* lib/autoconf/status.m4 (_AC_CONFIG_FILE, _AC_CONFIG_HEADER)
	(_AC_CONFIG_COMMAND, _AC_CONFIG_LINK): New.
	Use dnl, not the KILL diversion.
	Extracted from...
	(AC_CONFIG_FILES, AC_CONFIG_HEADERS, AC_CONFIG_COMMANDS)
	(AC_CONFIG_LINKS): here.
	Adjust.
	Don't use the KILL diversion, as it kills spurious output, which
	results in failures being hidden.
	Use m4_defn where appropriate.
	(AC_CONFIG_IF_MEMBER): Kill the real bug: a spurious parenthesis
	after the second argument.
	Use m4_defn.
	* lib/autom4te.in (Autoconf, Autotest, M4sh): Don't pass --warning
	syntax, as it is provided by M4sugar.
	* tests/torture.at (Multiple AC_CONFIG_FILES): New.

2002-04-03  Andreas Schwab  <[e-mail]>

	* lib/m4sugar/m4sugar.m4 (m4_bmatch): Make sure m4_bregexp is not
	expanded if $# <= 2.

	* bin/autoreconf.in (autoreconf): Run automake after rerunning
	aclocal.

2002-04-03  Akim Demaille  <[e-mail]>

	* lib/autoconf/lang.m4 (_AC_COMPILER_OBJEXT_REJECT)
	(_AC_COMPILER_EXEEXT_REJECT): New.
	Also recognize *.bb and *.bbg as compilation byproducts.
	(_AC_COMPILER_EXEEXT_DEFAULT, _AC_COMPILER_EXEEXT_O)
	(_AC_COMPILER_OBJEXT): Use them.
	Fixes Debian #138666.

2002-04-02  Peter Eisentraut  <[e-mail]>

	Integrate AC_PROG_CC_STDC into AC_PROG_CC.

	* lib/autoconf/c.m4 (AC_PROG_CC_STDC): Rename to _AC_PROG_CC_STDC.
	AU_DEFUN old name.  Use _AC_COMPILE_IFELSE.
	(AC_PROG_CC): Call _AC_PROG_CC_STDC.
	(AC_C_INLINE): Do not require AC_PROG_CC_STDC.
	(AC_C_CONST): Same.
	(AC_C_INLINE): Same.
	(AC_C_PROTOTYPES): Same.  Require AC_PROG_CC instead.
	* doc/autoconf.texi, NEWS: Document.
	* tests/mktests.sh (au_exclude_list): Add AC_PROG_CC_STDC and
	AC_C_CROSS.

2002-04-02  Akim Demaille  <[e-mail]>

	* lib/m4sugar/m4sh.m4 (AS_SHELL_SANITIZE): Invoke
	_AS_MKDIR_P_PREPARE.

2002-03-28  Kevin Ryde  <[e-mail]>

	* lib/autoconf/c.m4 (AC_C_INLINE): Test with a typedef return value,
	to avoid versions of HP C which don't allow that.

2002-03-27  Paul Eggert  <[e-mail]>

	* lib/m4sugar/m4sh.m4 (_AS_BASENAME_PREPARE): New macro.
	(AS_SHELL_SANITIZE): Invoke it.
	(AS_BASENAME): AS_REQUIRE it, and use $as_basename.

2002-03-26  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Portable Shell): Add pointers to FAQs.

2002-03-26  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Introduction): The GNATS base moved.

2002-03-25  Paul Eggert  <[e-mail]>

	* tests/m4sh.at: Don't rely on "PATH=test:$PATH test-1" working
	as POSIX requires, as it doesn't work with Zsh.
	* doc/autoconf.texi (Assignments): Document the problem.

2002-03-25  Alexandre Duret-Lutz  <[e-mail]>

	* doc/autoconf.texi (Limitations of Make): Mention more issue
	about VPATH, overriding of macros in sub-makes, and handling of
	SHELL.

2002-03-21  Paul Eggert  <[e-mail]>

	* doc/autoconf.texi (Here-Documents): Mention Solaris 8 dtksh
	problem with here-document buffer boundaries.

	* lib/m4sugar/m4sh.m4 (_AS_LINENO_PREPARE): Unset ENV and BASH_ENV
	when reinvoking the shell, to work around problems with installers
	who put strange things like "cd" commands in their environments.

2002-03-19  Akim Demaille  <[e-mail]>

	* tests/semantics.at (AC_C_BIGENDIAN): s/unknow/unknown/.
	From Aaron Ucko.

2002-03-19  Akim Demaille  <[e-mail]>

	* bin/autoscan.in (scan_file): Specify the location in `&used'
	invocations.
	From Nicolas Joly.

2002-03-19  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi: Adjust @code/@command, @xref/@ref usage.
	From Nishio Futoshi.

2002-03-19  Akim Demaille  <[e-mail]>

	* lib/m4sugar/m4sugar.m4 (m4_define_default, m4_fst, m4_map): New.

2002-03-18  Paul Eggert  <[e-mail]>

	* doc/autoconf.texi (Programming in M4sh): Add AS_MKDIR_P.
	(Limitations of Usual Tools): Add mkdir section.

	* lib/m4sugar/m4sh.m4 (_AS_MKDIR_P_PREPARE): New macro.
	(AS_MKDIR_P): Require it.  Use mkdir -p if available, falling
	back on AS_DIRNAME to compute prefixes otherwise; this is
	roughly what mkinstalldirs does.  That way, we need not have
	our own filename disassembler.  The old disassembler did not
	work with Solaris 8 dtksh, which is ksh Version M-12/28/93d.

	* lib/autotest/general.m4 (AT_INIT, AT_CLEANUP):
	Create at_test_all by a series of assignments,
	not by a single assignment of a long string.  The latter causes ksh
	version 11/16/88g to silently misbehave on OpenServer 5.0.6a,
	presumably because of a buffer overrun.

2002-03-14  Paul Eggert  <[e-mail]>

	* lib/autotest/general.m4 (at_times_skip):
	Renamed from at_times.  Now a boolean.
	ksh93 Version M-12/28/93d doesn't like 'x=times; $x'; it
	says 'times: not found'.

2002-03-14  Akim Demaille  <[e-mail]>

	* bin/autoreconf.in (&study_gettextize): New.
	(&autoreconf): Handle newest gettextize.
	Rerun aclocal if needed.
	Suggested by Andreas Schwab.

2002-03-13  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Special Shell Variables): More about IFS.

2002-03-13  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Header Portability): New.
	Add information about stdint.h and inttypes.h from Paul Eggert.

2002-03-13  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Limitations of Usual Tools): Some about `cp
	-p'.
	From Bob Proulx.

2002-03-12  Akim Demaille  <[e-mail]>

	* lib/m4sugar/m4sh.m4 (AS_BASENAME_EXPR): AS_REQUIRE, not
	m4_require.

2002-03-11  Andreas Schwab  <[e-mail]>

	* configure.ac: Explicitly check for EMACS since AM_PATH_LISPDIR
	does not do it if --with-lispdir is given.

2002-03-08  Akim Demaille  <[e-mail]>

	Version 2.53.

2002-03-08  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Subdirectories): Clarify that the
	subdirectory should exist.

2002-03-08  Akim Demaille  <[e-mail]>

	* Makefile.am (AUTOMAKE_OPTIONS): 1.6.

2002-03-08  Akim Demaille  <[e-mail]>

	* bin/autom4te.in (&handle_m4): Do not foreach with `$_' as it
	aliases the actual variables, and modifications of the former
	affect the latter.

2002-03-08  Akim Demaille  <[e-mail]>

	* bin/autom4te.in (&handle_m4): Protect us from corrupted file
	because of C-c: have m4 output in tmp files, then mv them.

2002-03-08  Akim Demaille  <[e-mail]>

	* bin/autoconf.in, bin/autoheader.in, bin/autom4te.in,
	* bin/autoreconf.in, bin/autoscan.in, bin/autoupdate.in,
	* bin/ifnames.in: Copyright update.

2002-03-08  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Invoking autom4te): New.

2002-03-05  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Specifying Names): Clarification suggested by
	Kevin Ryde.

2002-03-05  Akim Demaille  <[e-mail]>

	Version 2.52i.

2002-03-04  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (AC_LIBOBJ vs. LIBOBJS): New.
	* lib/autoconf/general.m4 (AC_INIT): More informative error
	message for LIBOBJ.

2002-03-04  Akim Demaille  <[e-mail]>

	* lib/freeze.mk ($(build_libdir)/m4sugar/version.m4): New, for
	parallel builds.

2002-03-04  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Transforming Names): Equality between target
	and host is irrelevant.
	(Specifying Names, Canonicalizing): Remove all references to the
	backward compatibility hooks.  Rather, collect them all into...
	(Hosts and Cross-Compilation): this new section.
	* doc/install.texi (System Type): Ditto.
	* lib/autoconf/general.m4 (AC_CANONICAL_HOST): Explicitly state
	that `--host' implies cross-compilation.

2002-03-04  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Evaluation Macros): New.
	* lib/m4sugar/m4sugar.m4 (m4_lquote): Remove, it is totally
	useless.
	(_m4_foreach): Define the variant with immediate evaluation so
	that it contains exactly the items, not an expression which
	evaluation is the current item.
	(m4_re_string, m4_re_word): Don't over quote them.

2002-03-04  Akim Demaille  <[e-mail]>

	Instead of having stacking `shift's evaluated at the end, let
	`foreach' loops immediately evaluate them.

	* lib/m4sugar/m4sugar.m4 (m4_quote, m4_dquote): Use $@ rather than
	$*.  This is the n-th time I change my mind, but hopefully this is
	the last...
	(m4_lquote): New.
	(m4_text_wrap): Use m4_foreach, which is finally correct _and_
	efficient.
	(m4_foreach_quoted, m4_car_quoted, _m4_foreach_quoted): Remove, as
	it was only a hack for m4_text_wrap.
	(m4_car2): Remove, replaced by...
	(m4_cdr): New.
	(_m4_foreach): Adjust.
	* lib/autoconf/general.m4 (_AC_INIT_PREPARE): Adjust, and use
	m4_bpatsubst for clarification.

2002-03-04  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Changequote is Evil): New.

2002-03-03  Kevin Ryde  <[e-mail]>

	* doc/autoconf.texi (Portable Shell): Mention 32-byte #! length limit
	on old systems like SunOS.

2002-03-01  Peter Eisentraut  <[e-mail]>

	* lib/autoconf/c.m4, lib/autoconf/fortran.m4,
	lib/autoconf/functions.m4, lib/autoconf/general.m4,
	lib/autoconf/headers.m4, lib/autoconf/lang.m4,
	lib/autoconf/programs.m4, lib/autoconf/status.m4: Improve spelling
	of messages.

2002-02-28  Akim Demaille  <[e-mail]>

	* lib/autotest/general.m4 (AT_INIT): Suggest a title to the
	message to be sent.

2002-02-28  Kevin Ryde  <[e-mail]>

	* doc/autoconf.texi (Function Portability): Add va_copy and va_list.

2002-02-25  Akim Demaille  <[e-mail]>

	* lib/autoconf/functions.m4 (AC_FUNC_SETPGRP): Fix the test.
	From Akinori Musha.

2002-02-13  Alexandre Duret-Lutz  <[e-mail]>

	* lib/Autom4te/XFile.pm (getline, getlines): New functions,
	translate \r\n to \n.

2002-02-07  Akim Demaille  <[e-mail]>

	Version 2.52h.

2002-02-07  Akim Demaille  <[e-mail]>

	Fix Autoconf PR/209.
	Also reported by Frank Denis.

	* lib/m4sugar/m4sh.m4 (_AS_PATH_WALK): Don't over quote.

2002-02-07  Akim Demaille  <[e-mail]>

	Fix Autoconf PR/207:
	AC_PREFIX_PROGRAM fails with dashed program names

	* lib/autoconf/general.m4 (AC_PREFIX_PROGRAM): Just use a fresh
	variable when looking for the prefix program.
	Now it also works for shell variables.

2002-02-07  Akim Demaille  <[e-mail]>

	* doc/autoconf.texi (Limitations of Builtins): More about
	case/esac.

2002-02-06  Akim Demaille  <[e-mail]>

	* lib/autoconf/status.m4 (_AC_OUTPUT_COMMANDS): Don't output empty
	case/esac, some shells don't support it.
	Reported by Zack Weinberg.
	* tests/torture.at (AC_CONFIG_COMMANDS with empty commands): New.

2002-02-06  Akim Demaille  <[e-mail]>

	* lib/autotest/general.m4 (AT_INIT): When handling --keywords, be
	sure not to introduce newlines in at_groups.
	* lib/autotest/Makefile.am (autotest.m4f): Typo.

2002-02-06  Akim Demaille  <[e-mail]>

	* tests/torture.at (Configuring subdirectories): Skip if aclocal
	is not available.

2002-02-05  Paul Eggert  <[e-mail]>

	* doc/autoconf.texi (Specific Compiler Characteris