correctly: pad with spaces after FIRST_PREFIX if necessary,
and compute string lenghts with `m4_qlen' instead of `m4_len'.
* lib/m4sugar/m4sh.m4 (AS_HELP_STRING): Comments updated.
* tests/m4sh.at (AS_HELP_STRING): Test extended.
* NEWS: Updated.
Reported by numerous people, numerous times.
directories with weird names. Apparently some people like living
on the edge. However, improve the test that "pwd" actually does
report a name for the working directory.
* NEWS: Remove the claim that we test for funny chars in dir names.
directory have inherent problems with special characters like spaces,
due to limitations in Make syntax. Problem reported by Alexandre
Duret-Lutz.
* lib/autoconf/general.m4 (_AC_INIT_DIRCHECK): Implement the above.
Also, fix Tru64 porting problem with shell patterns,
reported by Ralf Wildenhues.
* doc/autoconf.texi (Particular Headers): Reword example
for multiline stdbool replacement.
(Setting Output Variables): Reword text a bit. Don't
give all the details about |#_!!_#|.
Reword description of line replacement.
a directory whose name contains a special character like space,
newline, or "\".
* doc/autoconf.texi (Installation Directory Variables): Allow
"," in file names. Do not use \@; it's not a portable regexp.
* bin/Makefile.am (edit): Likewise.
* lib/Makefile.am (edit): Likewise.
* tests/Makefile.am (edit): Likewise.
* tests/semantics.at: Likewise.
* tests/torture.at: Likewise.
* lib/autoconf/general.m4 (AC_ARG_PROGRAM): Likewise.
* lib/autoconf/status.m4 (_AC_SRCDIRS): Likewise.
* doc/autoconf.texi (File System Conventions): Warn about
unportable file names.
* lib/autoconf/general.m4 (_AC_INIT_DIRCHECK): New macro.
(AC_INIT): Use it.
(_AC_INIT_SRCDIR): Use ac_pwd rather than invoking pwd.
* lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Propagate
ac_pwd, and quote srcdir.
* lib/autotest/general.m4 (AT_INIT): Quote file name args.
/dev/null, as "configure" shouldn't read stdin, and this insulates
us from problems (e.g., when testing for "cl"). Also, do this
redirection before invoking "hostname" or "uname", and keep the
original input stream available via...
(AS_ORIGINAL_STDIN_FD): ... this new macro.
(_AC_PREPROC_IFELSE, _AC_COMPILE_IFELSE, _AC_LINK_IFELSE): Don't
bother with "</dev/null" since it's now done at the top of
'configure'.
* lib/autoconf/c.m4 (AC_PROG_CC, AC_PROG_CXX): Likewise.
* lib/autoconf/fortran.m4 (_AC_PROG_FC): Likewise.
* lib/autoconf/programs.m4 (_AC_PATH_PROG_FLAVOR_GNU): Likewise.
* doc/autoconf.texi (File Descriptor Macros): New section.
(Printing Messages): Mention it.
* tests/base.at (Input/Output): New test.
<http://lists.gnu.org/archive/html/bug-autoconf/2004-11/msg00056.html>,
along with some nearby cruft.
* doc/autoconf.texi (Libtool): Libtool can be used without
Automake (not without Autoconf).
(Introduction): Mention lists.gnu.org.
* BUGS: Don't mention bugs.gnu.org.
Remove mention of ancient libtool compatibility problem.
* NEWS: Mention that bugs.gnu.org is kaput.
* README: Likewise. Mention where mailing list archives can be found.
(AC_CANONICAL_BUILD): Call it to require config.sub and config.guess.
* lib/autoconf/programs.m4 (AC_PROG_INSTALL): Likewise for install-sh.
* doc/autoconf.texi (Input): Document AC_REQUIRE_AUX_FILE.
* lib/autom4te.in (Automake-preselections): Preselect
AC_REQUIRE_AUX_FILE. Automake 1.10 will trace it.
* lib/autoconf/programs.m4 (AC_PATH_TOOL, AC_CHECK_TOOL,
AC_CHECK_TOOLS): Warn if a cross-tool is found without
a prefix.
(AC_PATH_TARGET_TOOL, AC_CHECK_TARGET_TOOL,
AC_CHECK_TARGET_TOOLS): New macros.
* doc/autoconf.texi (Generic Programs): Document
(AC_PATH_TARGET_TOOL, AC_CHECK_TARGET_TOOL,
AC_CHECK_TARGET_TOOLS, and warn for future changes
in the behavior of AC_PATH_TOOL, AC_CHECK_TOOL and
AC_CHECK_TOOLS.
(Specifying Names): Document the reason for these future
behavioral changes.
* tests/mktests.sh: Do not generate tests for the
new macros.
* NEWS: Document these changes.
* doc/autoconf.texi: Avoid macros with unbraced arguments,
they make TeX hang up.
grep or ggrep program in PATH that accepts as long lines as
possible.
* lib/autoconf/programs.m4 (_AC_PROG_GREP): Factor out the core of
AC_PROG_GREP.
(AC_PROG_EGREP, AC_PROG_FGREP): Use it to find best available
egrep and fgrep respectively if $GREP -E/-F don't work.
(_AC_PATH_PROG_FEATURE_CHECK): Factor out the common core of
_AC_PROG_GREP, and AC_PROG_SED.
(_AC_FEATURE_CHECK_LENGTH): New helper macro for finding the
longest input length accepted by a command.
(AC_PROG_SED): Use it.
* doc/autoconf.texi (Particular Programs): Document the changes.
* NEWS: Updated.
computing the absolute path to d1 in the source hierarchy: it may
not exist at all. So don't cd into it.
From Alexandre Duret-Lutz.
http://mail.gnu.org/archive/html/bug-autoconf/2003-10/msg00205.html
* lib/m4sugar/m4sh.m4 (AS_SET_CATFILE): New.
From Paul Eggert, but named after Perl's IO::Spec->catfile.
* doc/autoconf.texi (Programming in M4sh): Document.
* lib/autoconf/status.m4 (_AC_SRCPATHS): Use it.
(GNU Fortran): New.
* doc/autoconf.texi (Language Choice): Document.
* lib/autoconf/fortran.m4 (AC_FC_SRCEXT, AC_FC_FREEFORM): Assert
the current language is Fortran.
that future autopoint/aclocal/automake/autoreconf will be able
to trace to find where to install local m4 macros.
* doc/autoconf.texi (Input): Document it.
* NEWS: Updated.
* bin/autoreconf.in (autoreconf_current_directory): Create the
AUX_DIR if needed, for sake of automake --add-missing etc.
Suggested by Alexandre Duret-Lutz.
directory for AC_CONFIG_COMMANDS' first argument exists.
This makes valid the invocation of _AC_SRCPATH that follows.
Reported by Eric Sunshine.
* doc/autoconf.texi (Configuration Commands): Adjust.
including when the cache is used.
There are still several issues: (i) there are too many runs of m4
(one for include, one for warnings, and some more), (ii) warnings
spreading on several lines are not handled gracefully, (iii) the
code meant to have the call stack display for errors does not work
(its handling should move from m4 to autom4te).
* bin/autom4te.in Autom4te::Channels, Autom4te::ChannelDefs):
Use them.
(@preselect): Add m4_warn.
($exit_status): Remove, use $exit_code.
($help): Use Autom4te::ChannelDefs::usage.
(&handle_m4): No longer define the m4_warnings.
At each run, extract and report the warnings.
Always cache the result, including if the exit status is on
failure, since if nothing changes, we should result in the same
failure, hence we can use the cache.
* lib/m4sugar/m4sugar.m4 (m4_warning_ifelse, _m4_warning_ifelse)
(_m4_warning_error_ifelse, __m4_warning_error_ifelse, _m4_warn):
Remove.
(m4_warn): Redefine as a do-nothing: it is its invocation that
matters, as warnings are now reported via traces.
* lib/autoconf/general.m4 (AC_DIAGNOSE): Don't make it a copy of
the contents of m4_warn: make it _call_ m4_warn, so that tracing
the latter reveals calls to the former.
Adjust the tests.
* tests/m4sugar.at (m4@&t@_warn): Use existing warning categories.
in testsuite.dir/NNN/testsuite.log, and append them to
testsuite.log instead of re-running the test verbosely.
Adapt documentation. Update NEWS to signal possible bad
interactions between -x and experr.
memcmp be declared before being tested.
Reported by Sander Niemeijer.
(AC_FUNC_ERROR_AT_LINE, AC_FUNC_GETGROUPS, AC_FUNC_STRNLEN): Likewise.
* doc/autoconf.texi (Default Includes): Document
AC_INCLUDES_DEFAULT.
* lib/Autom4te/XFile.pm ($me, &name, &lock, &truncate, &seek): New.
* bin/autom4te.in (&Request::save, &Request::load): Use an IO::File
argument instead of a file name, so that the request file remains
open during the whole autom4te run.
($icache_file): New.
(&freeze): Lock the $icache_file.
to a shell that can handle redirection or quoting correctly.
Override SHELL with the shell detected by configure.
Use of $^O suggested by Tim van Holder.
* bin/autom4te.in (BEGIN): Likewise.
* bin/autoreconf.in (BEGIN): Likewise.
* bin/autoscan.in (BEGIN): Likewise.
* bin/autoupdate.in (BEGIN): Likewise.
* bin/ifnames.in (BEGIN): Likewise.
* bin/ifnames.in: Add final newline to help and version messages.
* lib/autoconf/programs.m4 (AC_PROG_MAKE_SET): Translate colons,
to cope with DOS-style absolute paths, when constructing
${ac_make}.
* lib/autoconf/status.m4 (_AC_OUTPUT_HEADERS, _AC_OUTPUT_FILES):
When constructing paths with IFS=:, quote the path. If we're
constructing a DOS-style absolute path, we don't want to split it
on the colon.
* tests/atspecific.m4 (AT_CHECK_CONFIGURE): Fix typo
in description.
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.
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.
* 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.
Fixes the `AC_ARG_VAR' test failures.
* lib/autoconf/status.m4 (_AC_OUTPUT_FILES): Don't use cmp.
* lib/freeze.mk (check-forbidden-patterns): New.
* lib/autoconf/Makefile.am, lib/autotest/Makefile.am
* lib/m4sugar/Makefile.am (check-local): Use it to catch `cmp'.
* doc/autoconf.texi (Limitations of Usual Tools): HP-UX' cmp and
/dev/null.
Reported months ago by H. Merijn Brand.
* bin/autoupdate.in (&parse_args): Kill old options.
* bin/autoreconf.in (&parse_args): Remove dead options.
Factor some code.
(&autoreconf): Report the directories we enter *and leave*, so
that error messages can be easily located, and use GNU Make
format, so that Emacs' compile mode understands us.
* lib/Autom4te/General.pm (&update_file): Use `verbose' to report
if some file was changed instead of `print'.
* bin/autoheader.in: Suggest AC_DEFINE with 3 args when needed.
(&parse_args): Remove the dead options.
* tests/atspecific.m4 (AT_CHECK_AUTOHEADER): Adjust to the new
autoheader's quiet mode.
(AT_CHECK_AUTOUPDATE): Likewise.
* tests/tools.at (autoupdate): Adjust.
* tests/semantics.at (AC_C_BIGENDIAN): Likewise.
from /tmp.
Thanks to Bill Moseley and Paul Eggert.
* lib/m4sugar/m4sh.m4 (AS_TMPDIR): $2 is the directory into which
the tmpdir must be created.
* lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Have the tmp
dir be in the build tree, instead of $TMPDIR.
* doc/autoconf.texi (Installation Directory Variables): Update.
(Limitations of Make): Some about `Single Suffix Rules and
Separated Dependencies'.
* bin/Makefile.am (autoconf, autoheader, autoreconf, autoupdate)
(ifnames, autoscan, autom4te): Un-factor into several rules.
and ac_subst_vars be sh variables containing the list of
AC_SUBST_FILES'ed and AC_SUBST'ed identifiers. Output them in the
DEFAULT diversion.
(_AC_INIT_PREPARE): Use them to log them.
(_AC_SUBST, _AC_SUBST_SED_PROGRAM): Remove.
(AC_SUBST, AC_SUBST_FILE): Instead of buliding the
_AC_SUBST_SED_PROGRAM, store the list of output files/variables in
_AC_SUBST_FILES and _AC_SUBST_VARS.
* lib/autoconf/status.m4 (_AC_OUTPUT_FILES): Adjust.
workaround for ${1+"$@"}.
* doc/autoconf.texi (Shell Substitutions): Explain it.
From Oliver Kiddle and Peter Stephenson.
Have M4sh perform minimal shell sanitizing.
* lib/m4sugar/m4sh.at (AS_SHELL_SANITIZE): Split the `_AS_PREPARE_*'
part into...
(_AS_PREPARE): this new macro.
(AS_PREPARE): New.
(AS_INIT): Invoke AS_SHELL_SANITIZE.
* tests/m4sh.at (AT_DATA_LINENO): Use _AS_PREPARE.
Adjust Autoconf and Autotest.
* lib/autoconf/general.m4 (_AC_INIT_DEFAULTS): Don't invoke
AS_SHELL_SANITIZE, AS_INIT did it, but invoke AS_PREPARE.
* lib/autotest/general.m4 (AT_INIT): Likewise.
* 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 $(autotest_m4f_dependencies).
(wrapsh.in): New target.
* bin/autoconf.as: New, precursor of autoconf.in.
(autoconf.in): New target.
and host is irrelevant.
(Specifying Names, Canonicalizing): Remove all references to the
backward compatibility hooks. Rather, collect them all into...
(Hosts and Cross-Compilation): this new section.
* doc/install.texi (System Type): Ditto.
* lib/autoconf/general.m4 (AC_CANONICAL_HOST): Explicitly state
that `--host' implies cross-compilation.
AC_PREFIX_PROGRAM fails with dashed program names
* lib/autoconf/general.m4 (AC_PREFIX_PROGRAM): Just use a fresh
variable when looking for the prefix program.
Now it also works for shell variables.
of PACKAGE_NAME, PACKAGE_TARNAME, PACKAGE_VERSION, PACKAGE_STRING,
and PACKAGE_BUGREPORT from here...
(_AC_INIT_DEFAULTS): to here, since it is unrelated to the
arguments.
(_AC_INIT_PREPARE): AC_DEFINE these symbols.
* lib/autotest/general.m4: Use AT_PACKAGE_*, not PACKAGE_*.
(AT_INIT): No longer catch `^PACKAGE_(BUGREPORT|STRING)$'.
* tests/tools.at (autoheader): Adjust.
* tests/atspecific.m4 (AT_CHECK_DEFINES): Adjust.
(&file_name_is_absolute): New, wrappers around routines from
File::Spec.
Use and export them.
(&find_configure_ac): Optionally take a directory where to look at.
* bin/autoreconf.in (&parse_args): Trim the configure.ac part of
the arguments.
Default @ARGV to `.', not find_configure_ac.
(&autoreconf): Argument is a directory.
Trace AC_CONFIG_SUBDIRS and schedule the subdirs for autoreconf'ing.
* doc/autoconf.texi (autoreconf Invocation): Update.
unchanged, remove the source.
(&up_to_date_p): Don't be verbose, be debug.
* bin/autoreconf.in: No longer support --m4dir.
(&autoreconf): Display the full path of the configure.ac we are
studying.
Trace it only once.
Be sure to honor --force with gettextize.
Always run aclocal.
* doc/autoconf.texi: Adjust.
generates too many bug reports.
* lib/autoconf/general.m4 (_AC_RUN_IFELSE): Pass the right exit
status when executing the ACTION-IF-FALSE.
* tests/base.at (AC_TRY_*): Rename as...
(AC_TRY_COMMAND): this.
(AC_RUN_IFELSE): New.
* tests/compile.at (Extensions, C keywords)
(AC_PROG_CPP requires AC_PROG_CC, GNU Fortran 77)
(Broken/missing compilers, AC_PROG_CPP with warnings)
(AC_PROG_CPP without warnings, AC_PROG_CPP via CC): Move to...
* tests/c.at (Extensions, C keywords)
(Broken/missing compilers, AC_PROG_CPP with warnings)
(AC_PROG_CPP without warnings, AC_PROG_CPP via CC)
(AC_PROG_CPP requires AC_PROG_CC): here and...
* tests/fortran.at (GNU Fortran 77): there.
* doc/autoconf.texi (autoconf Invocation): Fix the example:
AC_TRY_RUN is about compilation, not shell commands.
(Test Programs): AC_TRY_RUN works as used to be advertised.
ac_buildpath, ac_top_buildpath, ac_srcpath, and ac_top_srcpath.
(_AC_OUTPUT_FILES): Also substitute srcpath, top_srcpath,
builddir, buildpath, top_builddir, and top_buildpath.
(_AC_OUTPUT_SUBDIRS): Compute the dir variables *before* changing
the current directory.
* lib/autoconf/general.m4 (_AC_INIT_HELP): Compute the dir
variables *before* changing the current directory.
Skip nonexistent dirs.
* doc/autoconf.texi (Preset Output Variables): Document these
variables.
* lib/autotest/general.m4: Do not reset AT_victims.
Don't compute at_srcdir nor at_top_srcdir.
* tests/tools.at: Hence use top_srcdir.
* tests/Makefile.am, tests/autoconf, tests/autoheader,
* tests/autom4te, tests/autoreconf, tests/autoupdate, tests/ifnames:
Remove.
* tests/autoreconf.in, tests/wrappl.in, tests/autom4te.in,
* tests/wrapsh.in, tests/autoupdate.in: New.
* tests/Makefile.am (DISTCLEANFILES, EXTRA_DIST): Adjust.
* configure.ac: Build the position independent wrappers.
* man/Makefile.am: Now that test wrappers are position
independent, use them and drop dark envvar magic.
* lib/m4sugar/m4sh.m4 (AS_SHELL_SANITIZE): Provide some form of
`$LINENO' support replacement when not supported.
(_AS_CR_PREPARE, _AS_TR_CPP_PREPARE, _AS_TR_SH_PREPARE): Invoke
them explicitly to be sure they are not output before this section
(via m4_require). Cosmetic only.
* lib/autoconf/c.m4, lib/autoconf/general.m4,
* lib/autoconf/programs.m4: Replace all the occurrences of
`__oline__' with `$LINENO'.
* doc/autoconf.texi (Special Shell Variables): Document LINENO.
* bin/autoupdate.in (&handle_m4_macros, &handle_autoconf_macros):
New, extracted from main.
Use IO::File wherever possible.
(input.m4): Be constant, use -I instead of hard coding $tmp.
Therefore be a quoted heredoc.
Don't invoke `_au_disable', since ac was not loaded, but just
`unm4.m4'.
* bin/autoupdate.in: Use --include, -I, and --force, -f, too.
Use directly autom4te, not autoconf.
* tests/autoupdate: $top_srcdir/lib is needed too for melt files.
`ac_top_builddir' to mimic Automake's vocabulary, which much more
readable.
Adjust callers.
* doc/autoconf.texi (Configuration Actions): Document the vars
available in commands.
Emphasize the risks of collisions in init-cmds.
of the GNU Free Documentation License.
* doc/autoconf.texi: Switch from old style copyright notice to FDL.
Add an appendix "Copying This Manual" for the FDL.
* doc/fdl.texi: New file, from
<http://www.gnu.org/licenses/fdl.texi>.
* doc/Makefile.am (autoconf_TEXINFOS): Add fdl.texi.
used. Well, then use the prototypes when you can, and runtime as
a last resort.
Reported by Artur Frysiak
* acfunctions.m4 (_AC_FUNC_GETPGRP_TEST): New.
(AC_FUNC_GETPGRP): Use it.
First try to compile with 0-ary or 1-ary calls.
Adjust all the routines to use it.
($log): New file (autoscan.log).
(output): Dump detailed logs into $log, and a shortened version to
stderr.
(&scan_makefile): Refine the regexp catching tokens in the code.
* doc/autoconf.texi (autoscan Invocation): Document `autoscan.log'
and the `configure.ac' checking feature.
up.
* acfunctions.m4 (AC_FUNC_WAIT3): Use `break' to silent some
warnings from compilers.
* aclang.m4 (_AC_LANG_COMPILER_GNU): Log the version information
for all the compilers, not only GNU. Hence move from here...
(AC_PROG_CC, AC_PROG_CXX, AC_PROG_F77): to here.
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 `;'.
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.
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.
