[SCM] GNU Autoconf source repository annotated tag, v2.62, created. v2.62

[Eric Blake]

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http://git.sv.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=7a836a74559bdc24423076796f8ef0f51a8cc7c1

The annotated tag, v2.62 has been created
        at  7a836a74559bdc24423076796f8ef0f51a8cc7c1 (tag)
   tagging  45f13e99f70d9cef5471587e991e84e721031521 (commit)
  replaces  v2.61a
 tagged by  Eric Blake
        on  Sat Apr 5 17:04:54 2008 -0600

- Log -----------------------------------------------------------------
2.62
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Benoit Sigoure (7):
      Document a bug in GNU Bash with compound commands and redirections.
      Adjust the documentation of autotest WRT atlocal.
      Document that $((expression)) is not portable.
      Fix typos in variable names.
      Properly expand @configure_input@ in config.status.
      Properly handle funny file names for headers in config.status.
      Be nice with file systems that don't handle unusual characters.

Bruno Haible (1):
      * lib/autoconf/types.m4 (_AC_TYPE_LONG_LONG_SNIPPET): New macro,

Eric Blake (161):
      * configure.ac (AC_INIT): Bump version, since 2.61a is released.
      * bin/Makefile.am (RELEASE_YEAR): New macro.
      * THANKS (people): Update.
      * m4/m4.m4 (AC_PROG_GNU_M4): Reject M4 1.4 through 1.4.4 as
      * NEWS: Update copyright.
      * lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Update
      Housekeeping.
      * NEWS: Document fixes that have been applied since 2.61a.
      * NEWS: Adjust wording for AC_CONFIG_LINKS.
      Texinfo cleanup.
      * doc/autoconf.texi (Generic Programs): Use $PATH_SEPARATOR, not
      * doc/autoconf.texi (Generic Programs): Fix typo.
      Improve M4 path searching during configure.
      Clean up obsolete macros references.
      Centralize all system extensions checks.
      * doc/autoconf.texi (Generic Compiler Characteristics): Add
      Publish m4_ifndef, m4_version_compare, m4_AUTOCONF_VERSION.
      * AUTHORS: Add missing entries.
      Document another awk pitfall.
      Avoid parallel 'make check' issue.
      Clean up 'make dist' of previous patch.
      Editing eye-candy.
      Editing eye-candy.
      Avoid parallel 'make check' issue.
      Prepare for conversion to git.
      Provide AC_VERSION, not m4_AUTOCONF_VERSION.
      Ignore additional files, when copying cross-repository.
      More contribution housekeeping.
      Improve C99 detection.
      Avoid committing editor backup files.
      Improve documentation of M4 parameter expansion.
      Typo fixes.
      More font-lock happiness.
      Fix testsuite breakage in last patch.
      Autotest formatting touchups.
      Fix underquotation in AS_HELP_STRING.
      Configure whitespace touchups.
      Squelch changeword in m4sugar.
      Oops - my earlier 'optimization' caused a regression.
      Speed optimization: avoid m4 regex when other algorithms work.
      Allow nameless iteration.
      Fix regression in AC_DEFINE([macro(with_arg)]).
      Once again, reject IRIX m4.
      Optimize AC_PREREQ and other m4sugar numerics.
      Optimize recursion.
      Optimize appending text.
      Comment touchups.
      Whitespace cleanup.
      Another round of regex avoidance.
      Remove some XFAILs, and make AT_SETUP output line up.
      Optimize checking for identifiers.
      Speed up building testsuites.
      One more round of m4_foreach_w speedups.
      Whitespace cleanup.
      Fix recent testsuite failures.
      Provide better short-circuiting operation.
      Resolve Python issue 1676135 regarding configure directory args.
      Avoid m4 warnings on bad m4_format usage.
      Fix regression in m4_text_wrap from 2007-10-05.
      Use recent changes.
      Fix font-lock for bin/autoconf.
      Improve header of bin/autoconf.
      Reduce number of forks at startup.
      * NEWS: Announce recent round of speed optimizations.
      Whitespace cleanup.
      Another AC_DEFINE speedup.
      Avoid some overhead from m4_defn and m4_popdef.
      Config header generation followup.
      Speed up execution of subset of testsuite.
      Namespace cleanup.
      s/AC_VERSION/AC_AUTOCONF_VERSION/.
      Document interaction of recent m4_append change with Libtool HEAD.
      Some more m4sugar documentation.
      Fix 'make info' after last patch.
      Avoid underfull hbox.
      Make AC_PREREQ faster and more robust.
      Change m4_join to match libtool's ltsugar semantics.
      Fix 2007-10-03 regression with AT_SETUP([a, b]).
      Enhance AS_HELP_STRING.
      Fix typo.
      A few more m4sugar improvements, to benefit libtool.
      Fix m4_map, and add some more utility macros.
      m4_map is a looping construct.
      Add m4_combine, based on Libtool's lt_combine.
      Fix m4_combine for empty suffix list.
      Test recent additions.
      Kill trailing whitespace.
      Reject FreeBSD m4.
      Function cleanup.
      Fix AT_TESTED, AT_KEYWORDS.
      Ignore `make dist' changelogs in testsuite.log.
      Doc touchups.
      Document and test AT_BANNER.
      Improve AT_BANNER handling.
      Document m4_expand limitation.
      s/parenthesis/parentheses/ where appropriate.
      Fix testsuite --list subset.
      * tests/autotest.at (Banners): Reinstate test, with typo corrected.
      * configure: Regenerate.
      Document previous patch.
      Improve corner case of m4_expand.
      Adjust version comparison to account for git snapshot numbers.
      Support m4 1.4.5 in testsuite.
      Update list information.
      When using older automake, don't downgrade build-aux/texinfo.tex.
      Manually resync with gnulib, since 'make cvs-update' no longer works.
      Optimize AC_REQUIRE.
      Fix spurious testsuite failure with to M4 1.4.11.
      Fix some whitespace tests on cygwin.
      Fix thinko in earlier patch - m4_join isn't defined yet.
      * lib/m4sugar/m4sugar.m4 (m4_qlen): Use fewer macros.
      Merge branch 'master' of address@hidden:/srv/git/autoconf
      Improve documentation about default include directives.
      Add 'testsuite -C dir'.
      Minor testsuite improvements.
      * doc/autoconf.texi (Limitations of Usual Tools) <grep>: Document
      Fix regression in handling VAR=VALUE arguments to testsuite.
      * doc/autoconf.texi (Limitations of Builtins) <.>: Mention bash bug.
      More corner cases in testsuite VAR=VALUE handling.
      Fix more autotest regressions.
      * doc/autoconf.texi (Limitations of Usual Tools) <grep>: Fix typo.
      Describe a config.site that can be used for FHS compliance.
      Fix texinfo typos in previous patch.
      Avoid trailing space in config.h with AC_DEFINE([var], []).
      Sync git-version-gen from upstream.
      Improve documentation for writing autotest suites.
      Documentation improvements.
      Ignore tests that require read-only directories under root.
      Work around cygwin bug.
      Use git-merge-changelog when available.
      Pull in recent maintainer improvements from coreutils.
      Make AT_CHECK act like a simple command.
      Minor documentation fix.
      Factor some autotest tests.
      Encode nested autotest data.
      Tweak m4_wrap to force FIFO or LIFO semantics.
      Improve error messages for common testsuite bugs.
      Fix yesterday's regression in m4_wrap([$1]).
      Emphasize that ease of configure triumphs over ease of autoconf.
      AC_CONFIG_HEADERS replaced AC_CONFIG_HEADER.
      Sync GNUmakefile with gnulib.
      Actually delete GNUmakefile.cfg this time.
      Kill more CVS references.
      Don't swallow $1 in textual local variables.
      Document more uses of $cross_compiling.
      * GNUmakefile: Resynchronize with gnulib.
      Document Automake interaction with AC_CONFIG_MACRO_DIR.
      Document busybox sed bug.
      Typo fix.
      Document --trace=macro:format in --help output.
      Update TODO based on completed tasks.
      Fix config.status --version.
      Recommend the just-released M4 1.4.11.
      Sync files from upstream, and pass 'make syntax-check'.
      Fix VPATH 'make syntax-check'.
      More maintainer tweaks: pass 'make maintainer-distcheck'.
      Fix version number generation in man pages.
      Avoid some autoreconf -Wall warnings.
      Prepare for release.
      Use GPLv2+ plus exception as license for release.
      Release Version 2.62.

Jim Meyering (31):
      * doc/autoconf.texi: Adjust grammar around use of "heuristics".
      (Limitations of Usual Tools): Also list \< and \>, and mention that
      * doc/autoconf.texi (Libraries): Typo fix: insert missing "in".
      Add a comment.
      Whenever possible, use the vertical bar as sed delimiter.
      Avoid makeinfo warnings.
      Remove all generated files from version control.
      Make inter-release --version output more useful.
      README-hacking: Recommend running autoreconf -vi.
      README-hacking: Only Autoconf, Automake, and Perl are required to _build_.
      Remove automake-provided files from version control.
      Use just-built tools, when possible.
      Adjust the build procedure so "make check" works reliably.
      s/-/./ in snapshot version string: 2.61a-256-8b556 -> 2.61a.256-8b556
      Remove two more generated files from version control.
      Distribute git-version-gen.
      Avoid a race condition that would make parallel "distclean" fail.
      Generate package.m4 in build-dir, not srcdir.
      Avoid spurious test failures due to version skew.
      Accommodate non-srcdir build-from-checkout.
      Build in man/ only *after* building in bin/ and tests/.
      Remove racy commands to build scripts in bin/ and tests/.
      Remove the autoreconf-provided INSTALL, so that we regenerate it.
      Add autoreconf's -v option, to give some feedback.
      Add more non-srcdir build support.
      Adapt dependencies, now that a version change doesn't modify configure.ac
      Clean up the rule to create "expr".
      Don't infloop upon "make dist".
      Use a more general GNUmakefile.
      Fix texinfo syntax error.
      Work around CR EOL markers on OS/2 (www.ecomstation.com Ecs v2 rc4)

Noah Misch (8):
      * lib/autotest/general.m4 (_AT_NORMALIZE_TEST_GROUP_NUMBER): Use `eval'.
      * bin/autoconf.as: Handle `-' just like other input files.
      * lib/autoconf/c.m4 (AC_OPENMP): Simplify use of AC_ARG_ENABLE.
      * lib/autoconf/c.m4 (AC_OPENMP): Use a simple loop instead of compiler
      * doc/autoconf.texi (AC_F77_MAIN): Give a specific usage example that
      * lib/autoconf/general.m4 (AC_SUBST): Raise a fatal error if VARIABLE is
      * lib/autotest/general.m4 (AT_INIT): Compute $srcdir correctly.
      * lib/autotest/general.m4 (AT_INIT): Handle absolute `srcdir'.

Paolo Bonzini (5):
      Fix previous commit.
      use shell functions to speed up autotest and produce slimmer testsuites
      autotest speed improvements
      document shell function portability
      * lib/autotest/general.m4 (at_func_test): Use cached line numbers

Paul Eggert (74):
      * doc/autoconf.texi: Undo some of the 2006-12-10 change.  It was
      This change prompted by a problem report by Andrey Simonenko in
      (_AC_FC_WRAPPERS): Fix typos in previous patch.
      * lib/autoconf/functions.m4 (AC_FUNC_GETMNTENT):
      * NEWS: Warnings are now generated by default for unknown
      Regenerate.
      * lib/autoconf/general.m4 (AC_ARG_ENABLE): Print help about
      * lib/autoconf/functions.m4 (AC_FUNC_MKTIME):
      * lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Insert a
      * lib/autoconf/general.m4 (AC_DEFINE_TRACE): Don't include
      * doc/autoconf.texi (Integer Overflow): Greatly expand and
      * doc/autoconf.texi (Integer Overflow): Revised based on today's
      Fix some wording problems noted by Paolo Bonzini in:
      * doc/autoconf.texi (Shellology): pdksh 5.2.14 is still the
      * doc/autoconf.texi (Introduction, Why GNU M4): Clarify M4 version
      * lib/autoconf/status.m4 (_AC_OUTPUT_FILES_PREPARE): Prefer \r to
      * lib/autoconf/status.m4 (_AC_OUTPUT_FILES_PREPARE): Fix quoting
      * doc/autoconf.texi (Parentheses): Mention problem with (( in
      * NEWS: AC_C_BIGENDIAN now supports universal binaries a la Mac OS X.
      * lib/autoconf/c.m4 (AC_C_BIGENDIAN): Fix typo "__LITLE_ENDIAN__".
      Regenerate.
      * doc/autoconf.texi (C Compiler): Warn that AC_C_BIGENDIAN
      * doc/autoconf.texi (Limitations of Usual Tools): Warn about other
      * doc/autoconf.texi (C Compiler): Mention that AC_PROG_CC_C99 also
      * doc/autoconf.texi (Shellology): Rework treatment of the 'test'
      * doc/autoconf.texi (Here-Documents, Limitations of Builtins):
      * doc/autoconf.texi (Particular Types): AC_C_LONG_DOUBLE is now
      Say who suggested it.
      * lib/autoconf/general.m4 (_AC_LINK_IFELSE): Skip AS_TEST_X
      * doc/autoconf.texi (Generic Types): Document the restrictions
      * NEWS: Document recent changes to AC_CHECK_ALIGNOF, AC_CHECK_SIZEOF,
      * doc/autoconf.texi (Limitations of Builtins): Warn about Solaris
      * lib/autoconf/lang.m4 (_AC_COMPILER_EXEEXT_DEFAULT): Don't look
      * doc/autoconf.texi (Limitations of Builtins): Correct the warning
      * lib/m4sugar/m4sh.m4 (_AS_SHELL_FN_SPY): Don't imply that
      Fix typo in previous message.
      * doc/autoconf.texi (Particular Programs): Typo
      * lib/autoconf/lang.m4 (_AC_COMPILER_EXEEXT_DEFAULT): Put a.out first.
      * NEWS: Document that AC_C_RESTRICT checks 'restrict' last.
      * doc/autoconf.texi (C Compiler): Tweak OpenMP documentation a bit.
      * NEWS: Rename AC_C_OPENMP to AC_OPENMP.
      * doc/autoconf.texi (Generic Compiler Characteristics): Fix typo
      * lib/autoconf/c.m4 (AC_OPENMP): Don't echo --enable-openmp
      * bin/Makefile.am ($(top_builddir)/bin/autom4te): New dependency.
      Regenerate.
      * doc/autoconf.texi (Particular Types): AC_TYPE_INT8_T does not
      * doc/autoconf.texi (Particular Types): Give example of use for
      Fix typo in previous checkin.
      * lib/m4sugar/m4sh.m4 (_AS_PATH_SEPARATOR_PREPARE): Set FPATH too.
      Regenerate.
      * doc/autoconf.texi (Limitations of Usual Tools): sed -e ''
      Update to GPLv3.
      * doc/autoconf.texi (autoreconf Invocation): Document ACLOCAL_AMFLAGS
      Grant more permissions to copying, as per the usual GNU standard these
      Reword the copyright notices to match what's suggested in GPLv3.
      * lib/m4sugar/m4sugar.m4 (m4_shift2, m4_shift3): New macros.
      * lib/autoconf/general.m4 (_AC_INIT_PARSE_ARGS): Handle "///"
      Don't assume "." is writeable, for commands like "autoconf --version".
      Credit S. G. Johnson for the 2007-05-21 OpenMP patch.
      Adjust doc. to match latest gnulib.
      * doc/autoconf.texi (Limitations of Usual Tools): V7 awk had 'index'.
      * doc/autoconf.texi (Limitations of Usual Tools): V7 awk had 'index'.
      Merge branch 'master' of /home/eggert/src/gnu/autoconf-savannah/
      Merge branch 'master' of /home/eggert/src/gnu/autoconf-savannah/
      Check for 64-bit int errors in HP-UX 10.20 preprocessor.
      Don't check for bug in HP-UX 11.00 cpp.
      * lib/autoconf/c.m4 (AC_C_RESTRICT): Work around Sun C++ compatibility
      * doc/make-stds.texi: Update from gnulib.
      * GNUmakefile (PATH): Remove stray apostrophes; they become
      Don't worry about preprocessor when testing long long.
      Fix typo in my previous changelog entry.
      * lib/autoconf/types.m4 (_AC_TYPE_LONG_LONG_SNIPPET): Make comment match
      Fix AC_C_BIGENDIAN bug caused by new awk method of substitution.
      * doc/autoconf.texi: Update Back-Cover text to reflect new GNU wording.

Peter O'Gorman (1):
      Find X11 on Mac OS X too.

Ralf Wildenhues (118):
      * tests/torture.at (Substitute a 2000-byte string): Avoid using
      * doc/autoconf.texi: Fix some typos.
      * lib/autoconf/general.m4 (_AC_INIT_DEFAULTS): Use newlines to
      Regenerate.
      * lib/autoconf/programs.m4 (AC_PROG_SED): When closing a pipe
      Regenerate.
      * doc/autoconf.texi (Setting Output Variables): Mention that
      Regenerate.
      * doc/autoconf.texi (File System Conventions): Mention that
      * lib/autoconf/programs.m4 (AC_PROG_MKDIR_P): Also
      * lib/autoconf/status.m4 (_AC_OUTPUT_FILES_PREPARE): Redirect
      Regenerate.
      * lib/autotest/general.m4 (AT_INIT): With --clean, return exit
      * doc/autoconf.texi (External Software, Package Options):
      * lib/autoconf/status.m4 (_AC_OUTPUT_LINK): Fix AC_CONFIG_LINKS
      * bin/autom4te.in: Fix typos.
      * lib/autoconf/status.m4 (_AC_OUTPUT_LINK): Do not try to link a
      * bin/autoconf.as: Update --version output to match current GCS.
      * build-aux/config.guess, build-aux/config.sub,
      * doc/autoconf.texi (File System Conventions): Index the proper
      * lib/autoconf/general.m4 (_AC_ENABLE_IF): Expand macro
      * lib/autoconf/general.m4 (AC_SITE_LOAD): Do not overwrite "$@"
      * doc/autoconf.texi (Defining Directories): Mention
      * lib/autoconf/general.m4 (AC_SITE_LOAD): Guard against file
      Catch even more common AC_CACHE_VAL mistakes.
      Document `uninstall' in INSTALL.
      * tests/local.at (AT_COPYRIGHT): Bump copyright years.
      Use awk for config header generation.
      Fix ChangeLog entry.
      Fix ChangeLog entry.
      * NEWS: Announce shell function usage in Autotest.
      * lib/autotest/general.m4: Put function braces in separate line.
      * .gitignore: Ignore tags and TAGS files.
      * doc/autoconf.texi (Portable Shell): Improve description of zsh
      Fix `configure --help=recursive' in unconfigured/read-only trees.
      * lib/autotest/general.m4 (at_func_test): Fix test extraction script.
      Autotest: do not use shell functions for individual tests.
      * TODO: multiline args in config files and headers work now.
      Validate testsuite range arguments.
      Fix config header generation with AIX awk.
      Fix `Deep Package' test failure on FreeBSD.
      Fix config status generation with Tru64 ksh.
      Fix typos in test names.
      Fix `Deep Package' failure with a configure script early in PATH
      * configure.ac (AC_PREREQ): Require version 2.60, for
      * tests/Makefile.am ($(srcdir)/package.m4): Work around bash
      * doc/autoconf.texi (autoreconf Invocation): Fix an underfull line.
      * build-aux/.gitignore: Ignore mkinstalldirs.
      * lib/m4sugar/Makefile.am (version.m4): Another bash bug workaround.
      * lib/autoconf/functions.m4 (_AC_FUNC_MALLOC_IF): Fix comment typo.
      Avoid expr for arithmetic evaluation if the shell accepts $((...)).
      New config files output variable `top_build_prefix'.
      Ignore configure --help* errors due to LINENO-impaired shells.
      Avoid warnings about conftest.dSYM directories on Mac OS X Leopard.
      * doc/autoconf.texi (Making testsuite Scripts): Document
      * lib/m4sugar/m4sh.m4 (AS_TMPDIR): Use $as_me, not $me.
      * lib/autoconf/status.m4: Fix a couple of comment typos.
      Shell functions and variables may share a namespace.
      * lib/autotest/general.m4 (at_func_test): Remove.
      Add witness macro for @top_build_prefix@ substitution.
      Indentation fixups.
      Diagnose write errors in config.status instantiations.
      * doc/autoconf.texi (Generic Programs): Fix typo.
      Revert 2007-10-17 change.
      Avoid error with Tru64 awk and testsuite lines with many words.
      Diagnose and guard against write errors dealing with config.status.
      * tests/local.at: Do not test m4, perl with AT_TESTED.
      * lib/autotest/general.m4: Revert 2007-11-15 patch and
      Fix IRIX testsuite debugging failures: $0 in functions.
      * lib/autotest/general.m4 (AT_INIT) <at_func_create_debugging_script>:
      * lib/autotest/general.m4 (AT_INIT): Exit awk script after
      * doc/autoconf.texi (Shell Functions): New chapter.  Document
      Fix awk script optimization.
      Document Tru64 awk input splitting limitation.
      Fix autom4te for unusual characters in input file names.
      Fix copyright years.
      Add ChangeLog entry for last commit.
      * doc/autoconf.texi (autom4te Invocation, Autom4te Cache): Fix typos.
      * Makefile.am (autom4te-update): Rewrite for git.
      Sync from Automake.
      Proper file name escaping in Autoconf programs and Perl modules.
      * lib/autom4te.in: Quote @address@hidden
      Fix Autotest for whitespace in `pwd`.
      Proper config.status --file/--header and $srcdir escaping.
      Fix testsuite program wrapper for whitespace in `pwd`.
      * tests/m4sh.at (LINENO): Quote $0.
      Quote $abs_top_srcdir in tests.
      * tests/semantics.at (AC_PATH_PROGS_FEATURE_CHECK): Skip test if `pwd` 
contains whitespace.
      Do not pass top_srcdir to configure scripts in testsuite.
      * tests/torture.at (srcdir): Fix quoting.
      Fix some write failure cases in Autotest.
      * bin/autoreconf.in: Discard stderr for $autoconf/$aclocal --help.
      Fix creation of manpages from test wrapper scripts.
      Upon release, send to info-gnu, not info at gnu.org.
      AC_PROG_INSTALL: require installation of multiple files.
      Accept `+' in --enable and --with feature strings.
      Fix parallel `maintainer-check'.
      Fix --help=recursive with multiple AC_CONFIG_SUBDIRS.
      * doc/autoconf.texi (Particular Programs): Do not mention the
      Sync upstream files from gnulib.
      Fix autotest --clean, and make it work with `-C dir'.
      Ignore errors from ./run on w32.
      Add ChangeLog entry for last commit.
      Actually test that @configure_input@ is expanded correctly.
      * tests/torture.at (AC_CONFIG_FILES, HEADERS, LINKS and COMMANDS):
      autoreconf -m now honors $MAKE.
      * lib/autotest/general.m4 (AT_INIT): Fix detection of '-C -'.
      On MinGW, substitution of CR and 0xFF fails.
      Provide a helpful message if autopoint or libtoolize do not exist.
      Skip whitespace test if aclocal is not present.
      Add traces for AM_COND_IF.
      Avoid leftover files on Leopard.
      Fix Fortran testsuite failures with gfortran 4.3.
      Fix .exe-related test failure on MinGW.
      Factorize m4 warning output normalization.
      * tests/autotest.at (Using atlocal): Quote instances of `pwd`.
      Warn, not fail on whitespace-only precious variable differences.
      Document awk printf %u bug on HP-UX/IA.

Stepan Kasal (18):
      * doc/autoconf.texi (Specifying Names): `--host' does not
      Replace the entry for my 2007-01-15 change by the right one.
      * doc/autoconf.texi (Specifying Names): `--host' does not
      * lib/autoconf/status.m4 (AC_CONFIG_SUBDIRS): Update comment.
      * lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Fix a
      * doc/autoconf.texi (External Software): Fix a typo in the
      * lib/autoconf/lang.m4, lib/autoconf/c.m4,
      * doc/autoconf.texi (Caching Results): The CACHE-ID variable
      * doc/autoconf.texi: Direntry for "autoconf Invocation"
      * tests/foreign.at tests/semantics.at, tests/tools.at: Remove
      * lib/autoconf/types.m4 (_AC_TYPE_UNSIGNED_INT): Fix a typo.
      Autotest no longer caters to Ultrix redirection limitation.
      doc: AC_*_TOOL does not canonicalize the prefix
      add a chlog entry for the prev commit
      * lib/autotest/general.m4 (AT_INIT): Do not extract the
      * lib/Autom4te/ChannelDefs.pm: Fix typos.
      * tests/fortran.at, tests/mktests.sh, tests/wrapper.as: Fix typos.
      * doc/autoconf.texi (Introduction): Improve the paraphrase of

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