Ralf Wildenhues [Sat, 22 Jan 2011 12:46:06 +0000 (13:46 +0100)]
docs: do not use AIX 5.3 cp -R.
* doc/autoconf.texi (Limitations of Usual Tools): Document one
instance of the cp -R bug on AIX 5.3. This seems to have been
fixed in 6.1 and newer releases.
Ralf Wildenhues [Sat, 22 Jan 2011 08:28:44 +0000 (09:28 +0100)]
docs: update entry about unset.
* doc/autoconf.texi (Limitations of Builtins): NetBSD sh unset
also fails upon `unset' of a variable that is not set. Bash 2.01
could also dump core over `unset MAILPATH'.
Suggestion by Eric Blake.
Ralf Wildenhues [Fri, 21 Jan 2011 20:54:08 +0000 (21:54 +0100)]
Fix LEXLIB and YYTEXT_POINTER with IRIX 6.5 flex 2.5.4.
* lib/autoconf/programs.m4 (_AC_PROG_LEX_YYTEXT_DECL):
Overquote nontrivial yyless argument, to compensate for
underquoted macro definition in IRIX 6.5 flex 2.5.4
leading to compile failure due to incompatible operands.
Fixes Automake silent-lex-generic.test failure.
Ralf Wildenhues [Sun, 9 Jan 2011 09:16:33 +0000 (10:16 +0100)]
Avoid reference to $CYGWIN in Fortran macros.
* lib/autoconf/fortran.m4 (_AC_FC_LIBRARY_LDFLAGS): Require
AC_CANONICAL_HOST. Replace test for $CYGWIN with $host_s test.
* tests/fortran.at (AC_F77_DUMMY_MAIN usage)
(AC_FC_DUMMY_MAIN usage, AC_F77_MAIN usage, AC_FC_MAIN usage):
Use AT_CONFIGURE_AC and simplify accordingly, so auxiliary
scripts are copied into the test directories.
(AC_F77_FUNC usage, AC_FC_FUNC usage): Likewise. Adjust to
autoheader being used now.
* doc/install.texi: Don't force @firstparagraphindent on all
clients; instead, add it only when building INSTALL. Compress
copyright.
* Makefile.am (INSTALL): Match gnulib's formatting.
Reported by Karl Berry.
Eric Blake [Tue, 4 Jan 2011 23:04:12 +0000 (16:04 -0700)]
maint: document use of copyright ranges
* README: Copy coreutils wording for allowing copyright year
ranges.
* cfg.mk (UPDATE_COPYRIGHT_USE_INTERVALS): Now that GNU Coding
Standards permit it, prefer shorthand copyright.
* .x-update-copyright: Exempt an imported file.
Paul Eggert [Fri, 26 Nov 2010 09:21:04 +0000 (01:21 -0800)]
autotest: fix file descriptor leak
* lib/autotest/general.m4 (_AT_CHECK): Close AS_MESSAGE_LOG_FD
when running the test. Problem reported by Luke Mewburn in
<http://lists.gnu.org/archive/html/autoconf/2010-11/msg00036.html>.
Paul Eggert [Sat, 20 Nov 2010 23:26:39 +0000 (15:26 -0800)]
autoconf: don't assume sys/stat.h and sys/types.h when testing C89
Problem reported by Patrick Pelissier in
<http://lists.gnu.org/archive/html/bug-autoconf/2010-11/msg00019.html>.
* lib/autoconf/c.m4 (_AC_PROG_CC_C89): Don't include sys/types.h
and sys/stat.h. Instead, define a dummy struct stat. C89 doesn't
guarantee sys/types.h and sys/stat.h.
Ralf Wildenhues [Tue, 12 Oct 2010 18:29:58 +0000 (20:29 +0200)]
tests: avoid AC_CACHE_CHECK test failure with dash.
* tests/base.at (AC_CACHE_CHECK): Normalize configure exit
status in presence of syntax error in sourced site file.
Do not error out if configure is aborted at this point.
Fixes testsuite failure with dash 0.5.5.1.
Eric Blake [Fri, 8 Oct 2010 16:54:31 +0000 (10:54 -0600)]
AS_LITERAL_IF: Treat raw = as literal again.
* lib/m4sugar/m4sh.m4 (_AS_LITERAL_IF): Treat = like +.
* tests/m4sh.at (AS@&t@_TR_SH and AS@&t@_TR_CPP)
(AS@&t@_LITERAL_IF): Expand tests.
* NEWS: Document the fix.
Reported via Ben Pfaff; originally http://bugs.debian.org/593838
Eric Blake [Tue, 5 Oct 2010 15:59:56 +0000 (09:59 -0600)]
doc: suggest a few more workarounds
* doc/autoconf.texi (Limitations of Usual Tools) <tr>: Mention
that 'redundant' brackets can work around Solaris bug.
(File Descriptors): Mention that {} works as well as () for
silencing file-not-found warnings.
* THANKS: Update.
Suggested by Pádraig Brady.
tests: normalize trailing spaces in gcc -E -dD output.
* tests/compile.at (AC_LANG_SOURCE example)
(AC_LANG_PROGRAM example): Remove trailing spaces before
comparing with expected output. Fixes testsuite failure
with GCC 2.95.3 on Haiku.
Report by Scott McCreary.
Eric Blake [Wed, 22 Sep 2010 21:55:26 +0000 (15:55 -0600)]
AC_REPLACE_FUNCS: allow split lines again
More fallout from the same 2.66 regression that was partially fixed
yesterday, but until yesterday's AS_LITERAL_IF actually treated \ as a
non-literal, apparently no one noticed the latent bug of a spurious
call to AC_CHECK_FUNC([\]) during automake's libobj5.test.
* lib/autoconf/functions.m4 (AC_REPLACE_FUNCS): Flatten newlines
and move guts...
(_AC_REPLACE_FUNCS): ...to new helper.
* tests/semantics.at (AC_REPLACE_FUNCS): Enhance test.
Reported by Ralf Wildenhues.
Eric Blake [Tue, 21 Sep 2010 23:00:09 +0000 (17:00 -0600)]
AC_REPLACE_FUNCS: restore shell loop for non-literal
* lib/autoconf/functions.m4 (AC_REPLACE_FUNCS): Handle
non-literals, which was lost in 2010-02-26 optimization.
* tests/semantics.at (AC_REPLACE_FUNCS): Enhance test.
* NEWS: Document the fix.
* THANKS: Update.
Reported by Wiseman Jun.
Eric Blake [Tue, 21 Sep 2010 18:09:55 +0000 (12:09 -0600)]
tests: XFAIL in the face of a MacOS X bug
* doc/autoconf.texi (Limitations of Usual Tools) <sed>: Mention
the issue.
* tests/torture.at (Substitute and define special characters):
Detect if sed cannot process 8-bit bytes in the C locale.
* THANKS: Update.
Reported by Rochan.
Eric Blake [Mon, 20 Sep 2010 21:00:28 +0000 (15:00 -0600)]
autom4te: don't filter out portions of location traces
* bin/autom4te.in (_m4_warn): Pass warnings through the channels
machinery as a single chunk, to avoid partial filtering.
* lib/m4sugar/m4sugar.m4 (_m4_warn): Document the conventions.
* tests/m4sugar.at (m4@&t@_warn): Enhance test to catch this.
Reported by Bruno Haible.
Eric Blake [Fri, 17 Sep 2010 16:39:29 +0000 (10:39 -0600)]
config.status: avoid corrupting $ac_t
* lib/autoconf/status.m4 (_AC_OUTPUT_HEADERS_PREPARE): Use a
different name, so as not to clash with pre-2.50 usage of "$ac_t"
as a tab character.
Reported by Sam Steingold.
Bruno Haible [Fri, 17 Sep 2010 15:56:27 +0000 (09:56 -0600)]
docs: mark several macros obsolete
* doc/autoconf.texi (Particular Functions): Mark AC_FUNC_ERROR_AT_LINE,
AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK, AC_FUNC_MKTIME, AC_FUNC_STRTOD
as obsolete and refer to Gnulib.
* NEWS: Mention the change.
Eric Blake [Thu, 16 Sep 2010 14:43:27 +0000 (08:43 -0600)]
m4sugar: fix regression in AC_MSG_ERROR expansion
AS_ERROR Regression introduced in commit cffdc3947, but the
underlying problem stems from the introduction of m4_defun_init
in commit d0c5f482.
* lib/m4sugar/m4sugar.m4 (m4_defun_init): Avoid macro
concatenation on subsequent expansions
* tests/m4sh.at (AS_WARN and AS_ERROR): New test.
* tests/m4sugar.at (m4@&t@_require: one-shot initialization):
Enhance test.
* NEWS: Document the fix.
* THANKS: Update.
Reported by Adrian Bunk and and Nishio Futoshi.
* tests/tools.at (autom4te preselections): Remove minor
redundancies in regular expressions used to grep the output
'automake --version' for test skipping.
* tests/torture.at (Configuring subdirectories)
(Unusual Automake input files): Likewise.
Eric Blake [Mon, 13 Sep 2010 17:31:23 +0000 (11:31 -0600)]
autotest: work around zsh bug
* lib/autotest/general.m4 (AT_DATA): Special case an empty data
file, since zsh botches empty here-docs.
* doc/autoconf.texi (Writing Testsuites) <AT_DATA>: Document that
this allows empty contents.
* tests/autotest.at (AT_DATA): New test.
Reported by Ralf Wildenhues.
* doc/autoconf.texi (Generic Compiler Characteristics): Use
second argument of @uref consistently, for nicer OpenMP link.
(Polymorphic Variables): Restore font-lock.
(Debugging): Add item for bashdb.
Document and test AT_CHECK args shell execution environment.
* doc/autoconf.texi (Writing Testsuites): Document that COMMANDS
is run in a subshell, but RUN-IF-FAIL and RUN-IF-PASS are not.
* tests/autotest.at (AT@&t@_CHECK execution environment): New
test.
* NEWS: Update.
doc: index entries for non-environment, non-output variables.
* doc/autoconf.texi: Clarify the meaning of the various variable
indices. Merge variable index `vr' into concept index using
syncodeindex.
(Configuration Actions, Generic Programs, Generic Functions)
(Writing Testsuites): Add index entries for documented shell
variables used during in configure and testsuite scripts.
Eric Blake [Mon, 13 Sep 2010 16:02:50 +0000 (10:02 -0600)]
tests: skip broken automake wrapper on MirBSD
On a fresh default install, MirBSD ships with an automake wrapper
script that has bad behavior:
$ automake --version; echo $?
Provide an AUTOMAKE_VERSION environment variable, please
0
* tests/tools.at (autom4te preselections): Skip, rather than fail,
if 'automake --version' succeeds without printing a version when
an environment variable is not set.
* tests/torture.at (Configuring subdirectories)
(Unusual Automake input files): Likewise.
(Shell Substitutions, Site Defaults): Fix markup for indexed
entried, using @code and @file as appropriate.
(M4 Macro Index): Clarify which of the indexed macros have m4_
and which have AS_ prefix.
Eric Blake [Wed, 8 Sep 2010 16:31:50 +0000 (10:31 -0600)]
m4sh: preserve set -vx over re-exec
See http://lists.gnu.org/archive/html/bug-gnulib/2010-09/msg00035.html
for the motivation for this patch.
* lib/m4sugar/m4sh.m4 (_AS_DETECT_BETTER_SHELL): Trace through
re-exec, to make it easier to debug script startup issues.
Idea from recent bug-gnulib change to init.sh.
Eric Blake [Tue, 7 Sep 2010 21:51:47 +0000 (15:51 -0600)]
docs: mention traditional awk limitation
* doc/autoconf.texi (Limitations of Usual Tools) <awk>: Mention
that traditional awk lacks ENVIRON. Add reference to awk manual.
(Particular Programs) <AC_PROG_AWK>: Add reference to awk section.
Reported by Ralf Wildenhues.
Eric Blake [Mon, 30 Aug 2010 15:51:11 +0000 (09:51 -0600)]
fortran: always avoid AC_LANG_CONFTEST warning
* lib/autoconf/lang.m4 (AC_LANG_CONFTEST()): Make the default
match the fact that the default AC_LANG_SOURCE does not inline
confdefs.h in the first place.
* lib/autoconf/fortran.m4 (AC_FC_FREEFORM, AC_FC_FIXEDFORM)
(AC_FC_LINE_LENGTH, __AC_FC_NAME_MANGLING): Revert previous use of
AC_LANG_DEFINES_PROVIDED.
Suggested by Ralf Wildenhues.
Eric Blake [Fri, 27 Aug 2010 19:15:22 +0000 (13:15 -0600)]
config.status: minimize use of $tmp
* lib/autoconf/status.m4 (_AC_OUTPUT_MAIN_LOOP)
(_AC_OUTPUT_FILES_PREPARE, _AC_OUTPUT_FILE)
(_AC_OUTPUT_HEADERS_PREPARE, _AC_OUTPUT_HEADER): Use $ac_tmp
internally, while preserving $tmp for existing users.
* tests/torture.at (AC_CONFIG_COMMANDS with temporary directory):
New test, that $tmp is available but not essential.
Eric Blake [Fri, 27 Aug 2010 18:55:54 +0000 (12:55 -0600)]
docs: avoid use of $tmp outside of config.status use
* doc/autoconf.texi (Polymorphic Variables, Shell Substitutions):
Use $var or $t instead.
(Limitations of Usual Tools): Use $dir instead.
(Initialization Macros) <AS_TMPDIR>: Make good on the NEWS
regarding AS_TMPDIR being documented as consuming $tmp.
Suggested by Ralf Wildenhues.
Paul Eggert [Mon, 30 Aug 2010 03:21:01 +0000 (20:21 -0700)]
AC_PROG_YACC: fix comment re what "yacc" stands for
* lib/autoconf/programs.m4 (AC_PROG_YACC): YACC stands for
"Yet Another Compiler Compiler", not "Yet Another C Compiler".
Problem reported by Chris Long in
<http://lists.gnu.org/archive/html/bug-autoconf/2010-08/msg00134.html>.
Ralf Wildenhues [Mon, 2 Aug 2010 20:42:55 +0000 (22:42 +0200)]
Avoid long lines in testsuite script.
* lib/autotest/general.m4 (AT_INIT): Remove definition of
AT_groups_all. Initialize at_groups from at_help_all, with
newlines instead of spaces separating test groups numbers.
Adjust all code to newlines.
* NEWS: Update.
* tests/autotest.at (Huge testsuite): New test.
Ralf Wildenhues [Sat, 14 Aug 2010 06:34:01 +0000 (08:34 +0200)]
Try to update config.cache atomically; respect symlinks.
* lib/autoconf/general.m4 (AC_CACHE_SAVE): Use `mv -f' to update
the cache file if it is a regular file and not a symlink. Move
first to temporary name in the target directory if not in the
current directory for atomicity across mount points.
* tests/base.at (AC_CACHE_CHECK): Try symlinked cache file.
* doc/autoconf.texi (Cache Files): Leftover temporary cache
files may be deleted by the user.
* NEWS: Update.
Eric Blake [Fri, 27 Aug 2010 16:59:40 +0000 (10:59 -0600)]
m4sh: protect LINENO against stray macro
* lib/m4sugar/m4sh.m4 (_AS_LINENO_PREPARE): Double quote entire
sed script, to avoid issue uncovered by automake testsuite where
'b' was an m4 macro that broke execution on dash.
Reported by Stefano Lattarini.
Eric Blake [Wed, 25 Aug 2010 22:56:37 +0000 (16:56 -0600)]
m4sh: assume ${a:-b} support
* tests/m4sh.at (Null variable substitution): New test.
* doc/autoconf.texi (Shell Substitutions) <${var:-value}>: Mention
that m4sh guarantees support.
(Limitations of Usual Tools) <mktemp>: Use it.
* lib/m4sugar/m4sh.m4 (AS_LINENO_POP, AS_VAR_IF, AS_TMPDIR):
Exploit use of colon for smaller files.
Eric Blake [Thu, 26 Aug 2010 21:07:38 +0000 (15:07 -0600)]
autoconf: warn if AC_*_IFELSE lacks complete program
* lib/autoconf/lang.m4 (AC_LANG_DEFINES_PROVIDED): New macro.
(AC_LANG_SOURCE): Call it.
(AC_LANG_CONFTEST): Add warning if new macro is not called.
* lib/autoconf/c.m4 (_AC_LANG_OPENMP): Add missing AC_LANG_SOURCE.
* lib/autoconf/fortran.m4 (AC_FC_FREEFORM, AC_FC_FIXEDFORM)
(AC_FC_LINE_LENGTH, __AC_FC_NAME_MANGLING): Intentionally bypass
AC_LANG_SOURCE.
* lib/autoconf/programs.m4 (_AC_PROG_LEX_YYTEXT_DECL): Likewise.
* tests/compile.at (AC_COMPILE_IFELSE): New test.
* doc/autoconf.texi (Generating Sources) <AC_LANG_CONFTEST>:
Document new warning.
<AC_LANG_DEFINES_PROVIDED>: Document new macro.
<AC_LANG_SOURCE>: Document use of new macro.
* NEWS: Document the improvement.
Suggested by Bruno Haible.
Eric Blake [Thu, 26 Aug 2010 04:05:45 +0000 (22:05 -0600)]
docs: mention another issue with variable expansion
In particular, see http://austingroupbugs.net/view.php?id=221
and http://austingroupbugs.net/view.php?id=255.
* doc/autoconf.texi (Shell Substitutions) <${var+value}>: New
subsection.
<${var=literal}>: Tweak wording. Add mention of an ambiguity
allowed by POSIX.
* tests/torture.at (Substitute and define special characters):
Make test more robust; here, the outer "" is in a here-doc, and
does not violate the quoting rules of thumb just documented.
Ralf Wildenhues [Tue, 24 Aug 2010 20:59:13 +0000 (22:59 +0200)]
tests: fix AC_CACHE_CHECK to skip with bad shells.
* tests/base.at (AC_CACHE_CHECK): Skip test with malformed
config.site file if the shell does not report syntax errors
from a sourced file. Fixes test failure on AIX and FreeBSD.
Report from Rainer Tammer.
Paul Eggert [Tue, 24 Aug 2010 21:03:32 +0000 (14:03 -0700)]
AC_HEADER_STDBOOL: avoid spurious failure with modern xlc
* lib/autoconf/headers.m4 (AC_HEADER_STDBOOL): Move the "bool e =
&s;" test into the main program, as C99 might plausibly be
interpreted as not requiring support for this construction in
static initializers. Remove the "#if defined __xlc__" stuff, as
the bug is not present in recent xlc implementations, and they
reject the test for other (valid) reasons. People using ancient
xlc versions, if any, are suggested to update to fixed versions.
Reported by Ralf Wildenhues in the thread starting at:
http://lists.gnu.org/archive/html/bug-autoconf/2010-08/msg00103.html
Eric Blake [Mon, 23 Aug 2010 20:35:48 +0000 (14:35 -0600)]
AC_HEADER_STDBOOL: avoid spurious clang failure
* lib/autoconf/headers.m4 (AC_HEADER_STDBOOL): Drop gcc (and by
extension clang) check in favor of a gnulib test. Force failure,
rather than merely testing for a compiler extension.
* THANKS: Update.
Reported by Anders Kaseorg.
autoreconf: mention the AUTOM4TE environment variable
* doc/autoconf.texi (Using autoreconf to Update configure
Scripts): List `AUTOM4TE' among the environment variables
honored by autoreconf.
* bin/autoreconf.in ($help): Likewise.
Eric Blake [Tue, 17 Aug 2010 14:17:36 +0000 (08:17 -0600)]
doc: improve AS_VAR_IF details
* doc/autoconf.texi (Polymorphic Variables) <AS_VAR_IF>: Make it
clear that user must supply quotes as needed.
* THANKS: Update.
Suggested by Randall Cotton.
Ralf Wildenhues [Mon, 16 Aug 2010 19:14:20 +0000 (21:14 +0200)]
Fix Autotest --errexit to exit after XPASSing tests.
* lib/autotest/general.m4 (AT_INIT) <at_fn_group_postprocess>:
Exit after an unexpected passing test if $at_errexit.
* tests/autotest.at (errexit): Also try tests that xpass, skip,
xfail, or fail hard.
Peter Rosin [Tue, 10 Aug 2010 21:08:03 +0000 (23:08 +0200)]
autotest: keep testsuite files on unexpected pass
* lib/autotest/general.m4 (AT_INIT) <at_fn_group_postprocess>:
Don't cleanup the group directory when a test unexpectedly passes.
* tests/autotest.at (Cleanup): Check that an unexpected pass leaves
the test group directory intact.
Ralf Wildenhues [Tue, 10 Aug 2010 20:45:49 +0000 (22:45 +0200)]
Skip AC_FC_SRCEXT([f90]) tests with a Fortran 77 compiler in $FC.
* tests/fortran.at (AC_FC_FREEFORM with AC_FC_SRCEXT)
(AC_FC_FIXEDFORM with AC_FC_SRCEXT): Skip if the compiler cannot
handle files with .f90 extension.
Report by Luke Dalessandro.
Bruno Haible [Thu, 5 Aug 2010 11:26:40 +0000 (13:26 +0200)]
AC_FUNC_ALLOCA: modernize
* lib/autoconf/functions.m4 (AC_FUNC_ALLOCA): Assume that alloca's
return type is 'void *', not 'char *'. Supply C89 prototype.
Reported by Thomas Klausner.
Ralf Wildenhues [Wed, 4 Aug 2010 19:04:05 +0000 (21:04 +0200)]
Fix testsuite failure due to bugs in third-party aclocal macros.
* tests/torture.at (Non-literal AC_CONFIG_SUBDIRS): Create a
hand-written aclocal.m4 file, so the -Werror test doesn't fail
over aclocal warnings about errors in third-party macro files.
Simplify test accordingly, calling autoreconf throughout.
Report by Bob Friesenhahn.
Ralf Wildenhues [Wed, 4 Aug 2010 18:31:06 +0000 (20:31 +0200)]
Fix AC_LANG_SOURCE and AC_LANG_PROGRAM tests.
* tests/compile.at (AC_LANG_SOURCE example)
(AC_LANG_PROGRAM example): Fix broken sed script for
extracting the interesting part of the conftest.c file.
Fixes test failure on Haiku.
* THANKS: Update.
Report by Scott McCreary.
projects / thirdparty / autoconf.git / log
