Eric Blake [Thu, 23 Oct 2008 21:08:45 +0000 (15:08 -0600)]
Optimize clients of AS_REQUIRE.
* lib/m4sugar/m4sugar.m4 (m4_defun): Add undocumented third
argument.
(m4_defun_init): New undocumented macro.
* lib/m4sugar/m4sh.m4 (_AS_ECHO_LOG, AS_MESSAGE, AS_BASENAME)
(_AS_DIRNAME_EXPR, AS_DIRNAME, AS_ECHO, AS_ECHO_N, AS_TEST_X)
(AS_LN_S, AS_MKDIR_P, _AS_PATH_WALK, AS_VERSION_COMPARE)
(AS_TR_SH, AS_TR_CPP, AS_VAR_APPEND, AS_VAR_PUSHDEF): Use it to
simplify these macros once the one-shot initialization is
complete.
* tests/m4sugar.at (m4@&t@_require: one-shot initialization): New
test.
Eric Blake [Fri, 24 Oct 2008 03:17:25 +0000 (21:17 -0600)]
Improve m4_copy.
* lib/m4sugar/m4sugar.m4 (m4_copy): Add second implementation for
public use.
(_m4_copy): New macro, which preserves pushdef stacks.
(_m4_defun_pro_outer): Bypass it, for speed.
(m4_init): Bypass new implementation, since it breaks on m4_defn.
* bin/autoupdate.in (handle_autoconf_macros): Likewise.
* lib/autoconf/general.m4 (AC_PREREQ): Undefine before redefining,
now that m4_copy checks this.
* doc/autoconf.texi (Redefined M4 Macros) <m4_copy>: Document
this, as well as m4_rename.
* lib/autoconf/autoconf.m4 (m4_copy): Temporarily redefine when
renaming builtins.
* NEWS: Likewise.
* tests/m4sugar.at (m4@&t@_defn): Enhance test.
* lib/autoconf/functions.m4 (AC_FUNC_GETGROUPS): Always define
the shell variable, $ac_cv_func_getgroups_works. Otherwise, if
it is set to "yes" in the environment and configure is run on
a system like mingw that lacks the getgroups function, it would
mistakenly define HAVE_GETGROUPS. Reported by Simon Josefsson in
<http://thread.gmane.org/gmane.comp.lib.gnulib.bugs/15354>.
Eric Blake [Mon, 20 Oct 2008 22:43:41 +0000 (16:43 -0600)]
Allow AS_CASE in shell lists.
* lib/m4sugar/m4sh.m4 (AS_CASE): Always execute test, in case of
side effects. Allow continuation of script on same line as esac.
* lib/autoconf/c.m4 (AC_PROG_CC_STDC): Adjust client.
* tests/m4sh.at (AS@&t@_IF and AS@&t@_CASE): Enhance test.
* NEWS: Document the subtle change.
Eric Blake [Mon, 20 Oct 2008 22:18:05 +0000 (16:18 -0600)]
Allow AS_IF in shell lists.
* lib/m4sugar/m4sh.m4 (AS_IF): Always execute test, in case of
side effects. Allow continuation of script on same line as fi.
(_AS_DETECT_BETTER_SHELL): Adjust clients.
(AS_VAR_IF, AS_VAR_SET_IF): For now, supply newline no longer
given by AS_IF.
* lib/autoconf/c.m4 (_AC_PROG_PREPROC_WORKS_IFELSE): Likewise.
* lib/autoconf/general.m4 (_AC_ENABLE_IF): Likewise.
(AC_EGREP_CPP, _AC_RUN_IFELSE): Adjust client.
* lib/autoconf/libs.m4 (AC_SEARCH_LIBS): Likewise.
* doc/autoconf.texi (Common Shell Constructs) <AS_IF>: Fix typo.
(Polymorphic Variables): Move mention of dnl to the only two
AS_VAR functions that need it.
Paolo Bonzini [Tue, 21 Oct 2008 14:55:05 +0000 (08:55 -0600)]
Use a shell function for _AC_PREPROC_IFELSE.
* lib/autoconf/general.m4 (_AC_PREPROC_IFELSE_BODY): New macro.
(_AC_PREPROC_IFELSE): Use a shell function.
* lib/m4sugar/m4sh.m4 (AS_REQUIRE): Factor for faster execution.
(AS_REQUIRE_SHELL_FN): Bypass AS_REQUIRE if function has already
been provided.
Eric Blake [Tue, 21 Oct 2008 14:00:57 +0000 (08:00 -0600)]
Add banners to generated files.
* lib/m4sugar/m4sh.m4 (_AS_SHELL_SANITIZE): Use m4_text_box for
existing banner.
(AS_INIT): Add new banners at strategic points.
* lib/autoconf/general.m4 (AC_INIT): Alter banner location, and
make consistent with other banners.
Paolo Bonzini [Sat, 18 Oct 2008 13:08:17 +0000 (15:08 +0200)]
Make sure that nested AS_REQUIRE do not lose the desired diversion.
* lib/m4sugar/m4sh.m4 (AS_REQUIRE): Expand _m4_divert_desired before
passing it to m4_divert_require, so that its content is not used
anymore.
* tests/m4sh.at (Nested AS_REQUIRE): New testcase.
Eric Blake [Wed, 15 Oct 2008 17:55:45 +0000 (11:55 -0600)]
Add m4_curry.
* lib/m4sugar/m4sugar.m4 (m4_curry, _m4_curry): New macros.
* tests/m4sugar.at (m4@&t@_map_args): Rename...
(m4@&t@_map_args and m4@&t@_curry): ...and add currying tests.
* doc/autoconf.texi (Looping constructs) <m4_map_args>: Document
currying as a way to add parameters.
(Evaluation Macros) <m4_curry>: Document the new macro.
* NEWS: Likewise.
Eric Blake [Fri, 17 Oct 2008 22:12:17 +0000 (16:12 -0600)]
Improve suggested test filtering.
* lib/m4sugar/m4sh.m4 (_AS_DETECT_SUGGESTED_PRUNE): New macro,
extracted from...
(_AS_DETECT_BETTER_SHELL): ...here, to use faster API. No need to
check for an empty required set.
Eric Blake [Fri, 17 Oct 2008 13:31:06 +0000 (07:31 -0600)]
Test AS_VAR interfaces.
* tests/m4sh.at (AS@&t@_VAR): New test.
* lib/m4sugar/m4sh.m4 (AS_VAR_PUSHDEF): Force expansion of
_AS_TR_SH_PREPARE at top level, rather than argument collection.
(AS_TR_SH): Support command substitution.
Eric Blake [Wed, 15 Oct 2008 22:15:52 +0000 (16:15 -0600)]
Break circular require chain in _AS_LINENO_PREPARE.
* lib/m4sugar/m4sh.m4 (_AS_LINENO_PREPARE): Ensure that logging is
disabled when reporting LINENO failure, since logging requires
LINENO.
* doc/autoconf.texi (Initialization Macros): Recommend m4_pushdef,
not m4_rename, since the latter is undocumented.
* lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Avoid
m4_rename, as it does not yet handle pushdef stacks.
Reported by Ralf Wildenhues.
Eric Blake [Wed, 15 Oct 2008 17:22:25 +0000 (11:22 -0600)]
Cleanups to previous patches.
* doc/autoconf.texi (Portable Shell): Minor edits.
(Limitations of Builtins): Touch up wording.
* lib/m4sugar/m4sh.m4 (AS_LINENO_PUSH): Nuke trailing whitespace.
(_AS_SHELL_SANITIZE): Wrap comments less than 80 columns.
Paolo Bonzini [Wed, 15 Oct 2008 09:03:35 +0000 (11:03 +0200)]
Updates to shell portability documentation
* doc/autoconf.texi: Updates all references to "Portable Shell" and
"Limitations of Builtins" to use three-argument commands.
(Programming in M4sh): Document AS_ECHO, AS_ECHO_N, AS_UNSET.
(Portable Shell): Move here discussion about "Where is the POSIX
shell?" Mention that M4sh provides a SVR2 shell and takes care
of unsetting variables if necessary. Talk about M4sh and not only
Autoconf-generated scripts.
(Special Shell Variables): Talk about M4sh and not only
Autoconf-generated scripts. Don't talk about things that Autoconf
does not do. Mention problems of $LINENO with shell functions.
(Limitations of Builtins). Mention AS_ECHO and AS_ECHO_N. Move
discussion of eval bugs before discussion on proper use of eval.
Mention AS_IF. Reword why not to use "shift N". Mention "foo=;
unset foo" trick. Include M4sh code that unsets MAIL for Bash 2.01.
* NEWS: Update list of documented M4sh macros.
Paolo Bonzini [Tue, 14 Oct 2008 05:16:48 +0000 (07:16 +0200)]
Assume a (possibly buggy) `unset' is present after a `better shell' was found.
* lib/autoconf/general.m4 (_AC_CACHE_DUMP): Use AS_UNSET.
* lib/autoconf/programs.m4 (AC_PROG_SED): Use AS_UNSET.
* lib/m4sugar/m4sh.m4 (_AS_UNSET_PREPARE): Provide $as_unset as an
alias for AS_UNSET, for backwards compatibility.
(_AS_DETECT_BETTER_SHELL): Set BASH_ENV and ENV to /dev/null in case
the shell does not support unset.
(_AS_SHELL_SANITIZE): Work around Bash 2.01 bugs. Unset BASH_ENV.
(AS_INIT, _AS_PREPARE, AS_PREPARE): Call it.
(AS_UNSET): Assume it is there but it might fail if the variable is
not set. Use it throughout instead of $as_unset.
Paolo Bonzini [Wed, 15 Oct 2008 09:02:09 +0000 (11:02 +0200)]
Turn AS_SHELL_SANITIZE into a for-Libtool-only wrapper.
* lib/m4sugar/m4sh.m4 (_AS_DETECT_REQUIRED, _AS_DETECT_SUGGESTED): Remove
m4_require of _AS_DETECT_BETTER_SHELL.
(_AS_CLEANUP): Add it here.
(_AS_DETECT_BETTER_SHELL): Just expand the test instead of appending it
to _AS_CLEANUP.
(_AS_SHELL_SANITIZE): New name of the old AS_SHELL_SANITIZE macro.
(AS_SHELL_SANITIZE): New macro hacking around Libtool misuse.
(AS_PREPARE): Use _AS_SHELL_SANITIZE.
(AS_INIT): Add m4_provide of itself.
Paolo Bonzini [Mon, 13 Oct 2008 16:23:30 +0000 (18:23 +0200)]
Support a stack of LINENO values for AS_MESSAGE.
* lib/m4sugar/m4sh.m4 (_AS_ECHO_LOG): If defined, use $as_lineno as
the line number emitted to the log file.
(AS_LINENO_PUSH, AS_LINENO_POP): New.
* tests/m4sh.at (LINENO Stack): New test.
Paolo Bonzini [Sun, 12 Oct 2008 12:20:53 +0000 (14:20 +0200)]
Use m4_require to implement AS_REQUIRE.
* lib/m4sugar/m4sugar.m4 (_m4_require_call): Accept a third argument.
(m4_require): Pass it.
(m4_divert_require): New.
* lib/m4sugar/m4sh.m4 (AS_REQUIRE): Rewrite using m4_divert_require.
Remove comment about differences with m4_require.
* tests/m4sh.at (AS_REQUIRE_SHELL_FN and m4_require): Update to test
the expected behavior.
(Nested AS_REQUIRE_SHELL_FN): New test.
Paolo Bonzini [Fri, 10 Oct 2008 07:02:36 +0000 (09:02 +0200)]
Add and document AS_INIT_GENERATED.
* lib/m4sugar/m4sh.m4 (AS_INIT_GENERATED): New.
* lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Use it.
* doc/autoconf.texi (Initialization macros): Document it.
Eric Blake [Fri, 10 Oct 2008 14:40:09 +0000 (08:40 -0600)]
Fix _AS_MKDIR_P usage.
* lib/m4sugar/m4sh.m4 (_AS_MKDIR_P): Correct documentation to
match implementation.
(_AS_PREPARE, _AS_MKDIR_P_PREPARE): Adjust callers.
* doc/autoconf.texi (Programming in M4sh) <AS_MKDIR_P>: Tweak
wording to better match behavior.
Paolo Bonzini [Fri, 10 Oct 2008 06:20:33 +0000 (08:20 +0200)]
use a shell function for AS_MKDIR_P
2008-10-10 Paolo Bonzini <bonzini@gnu.org>
* m4sugar/m4sh.m4 (_AS_MKDIR_P): New, from AS_MKDIR_P. Adjust
meaning of as_mkdir_p to be `false' or a full `mkdir -p' command.
(AS_MKDIR_P): Just dispatch to as_func_mkdir_p.
(_AS_PREPARE): Define shell functions.
(_AS_MKDIR_P_PREPARE): Set as_mkdir_p according to the above change.
Define shell functions.
Eric Blake [Thu, 9 Oct 2008 16:58:11 +0000 (10:58 -0600)]
Only prepare $as_me if it will be used.
* lib/m4sugar/m4sh.m4 (AS_SHELL_SANITIZE): Avoid unconditional
preparation.
(_AS_ECHO_LOG): Depend on $LINENO preparation.
(AS_MESSAGE): Depend on $as_me preparation.
(AS_TMPDIR): Use AS_ERROR, rather than a hand-rolled copy.
Paolo Bonzini [Thu, 9 Oct 2008 13:13:10 +0000 (15:13 +0200)]
more cleanup before adding shell functions
2008-10-09 Paolo Bonzini <bonzini@gnu.org>
* m4sugar/m4sh.m4 (AS_SHELL_SANITIZE): Delay setting as_me
until the M4SH-INIT diversion using _AS_ME_PREPARE.
(_AS_PREPARE): Invoke _AS_EXPR_PREPARE before _AS_BASENAME_PREPARE
and _AS_DIRNAME_PREPARE, and _AS_BASENAME_PREPARE and _AS_ME_PREPARE
before _AS_LINENO_PREPARE.
(AS_PREPARE): Include all the AS_REQUIREs manually.
(_AS_ME_PREPARE): New.
(_AS_LINENO_PREPARE): Use m4_defun.
Paolo Bonzini [Thu, 9 Oct 2008 13:28:06 +0000 (15:28 +0200)]
avoid problems when _AS_BASENAME_EXPR are invoked before _AS_EXPR_PREPARE
2008-10-09 Paolo Bonzini <bonzini@gnu.org>
* m4sugar/m4sh.m4 (_AS_BASENAME_EXPR, _AS_DIRNAME_EXPR): Do not
require _AS_EXPR_PREPARE.
(_AS_BASENAME_PREPARE, _AS_DIRNAME_PREPARE): Do it here.
(_AS_PREPARE): Add _AS_BASENAME_PREPARE.
Eric Blake [Wed, 8 Oct 2008 15:33:48 +0000 (09:33 -0600)]
Resync from gnulib.
* cfg.mk (cvs_executable_files, cvs_files): Rewrite...
(fetch): ...into new target.
(executable-update): Delete, now that it is unused.
* maint.mk (update, local_updates, cvs_files, gnulib_repo)
(wget-update, cvs-update): Likewise.
* HACKING (Update the foreign files): Document new procedure.
* GNUmakefile: Resync from upstream, via new 'make fetch'.
* build-aux/config.guess: Likewise.
Eric Blake [Wed, 8 Oct 2008 02:41:13 +0000 (20:41 -0600)]
Avoid repeating required shell tests in suggested set.
* lib/m4sugar/m4sh.m4 (_AS_DETECT_REQUIRED, _AS_DETECT_SUGGESTED):
Use m4_set, rather than m4_expand_once/m4_append.
(_AS_DETECT_SUGGESTED): Adjust to new storage layout, and filter
required tests out of suggested tests.
Reported by Paolo Bonzini.
Ralf Wildenhues [Wed, 8 Oct 2008 05:24:06 +0000 (07:24 +0200)]
Do not write to testsuite log fd before initialization.
* lib/autotest/general.m4 (AS_MESSAGE_LOG_FD, AT_JOB_FIFO_FD):
Define fds only when initializing the log fd so early error
messages do not try to write to it.
* tests/autotest.at (Startup error messages): New test.
* NEWS: Document this 2.63 regression.
Eric Blake [Tue, 23 Sep 2008 12:57:15 +0000 (06:57 -0600)]
Add m4_default_quoted.
* lib/m4sugar/m4sugar.m4 (m4_default_quoted): New macro.
(m4_for, m4_expand_once, m4_text_wrap, m4_text_box): Use it.
* doc/autoconf.texi (Conditional constructs): Document it.
* NEWS: Likewise.
Eric Blake [Tue, 7 Oct 2008 02:06:00 +0000 (20:06 -0600)]
Fix build with case-insensitive make, again.
* Makefile.am (pkgdata_DATA): Protect by MAKE_CASE_SENSITIVE.
Reported via Keith Marshall, originally by newthinker in
<http://thread.gmane.org/gmane.comp.gnu.mingw.user/27725>.
Ralf Wildenhues [Fri, 3 Oct 2008 05:14:24 +0000 (07:14 +0200)]
Fix more testsuite hang corner cases.
* lib/autotest/general.m4: Use the serial code path if no test
is to be run.
* tests/autotest.at (parallel test execution): Test -j and -jN
with `-k notmatched'.
Eric Blake [Thu, 2 Oct 2008 15:02:37 +0000 (09:02 -0600)]
Document more binary file portability traps.
* doc/autoconf.texi (Limitations of Usual Tools) <sed>: Remind
reader that NUL and sed don't always mix.
<tr>: Mention Solaris /usr/ucb/tr bug with \0.
Ralf Wildenhues [Thu, 2 Oct 2008 05:48:51 +0000 (07:48 +0200)]
Implement parallel Autotest test execution: testsuite --jobs.
* lib/autotest/general.m4 (AT_JOB_FIFO_FD): New macro.
(AT_INIT): <at_jobs>: New variable.
Accept -j, -jN, --jobs[=N], document them in --help output.
Implement parallel driver loop using a FIFO, enabled with --jobs
and if mkfifo works; otherwise, fall back to sequential loop.
(AT_SETUP): Store, do not output summary progress line if
parallel.
* tests/autotest.at (parallel test execution, parallel truth)
(parallel fallacy, parallel skip): New tests.
* doc/autoconf.texi (testsuite Invocation): Document -j, --jobs,
the mkfifo requirement, and that --errexit may cause concurrent
jobs to finish.
* NEWS: Update.
Eric Blake [Sat, 6 Sep 2008 22:19:55 +0000 (16:19 -0600)]
Formatting tweaks to the manual.
* doc/autoconf.texi (Introduction, Systemology)
(File System Conventions, Portable C and C++)
(Floating Point Portability): Allow URLs to split as needed.
(Indices): Add entries, to work around texinfo bug on indices that
start too close to a page break.
(Particular Functions): Mention ftello.
(Introduction, Language Choice): Use @enddots at sentence end.
Eric Blake [Tue, 2 Sep 2008 12:53:38 +0000 (06:53 -0600)]
Resync from gnulib.
* cfg.mk (cvs_executable_files, cvs_files): Update list of files,
although for now, they are still manually sync'd.
* build-aux/gnupload: Update.
* build-aux/config.sub: Likewise.
* GNUmakefile: Likewise.
projects / thirdparty / autoconf.git / log
