Eric Blake [Wed, 12 Aug 2009 20:25:53 +0000 (14:25 -0600)]
Prepare to bulk update copyright years.
* build-aux/update-copyright: New file.
* cfg.mk (gnulib-update): Sync it from gnulib.
(update-copyright-exclude-regexp): New varialbe.
(web-manual): Move...
* maint.mk (web-manual): ...here, to match gnulib.
(update-copyright): New target, copied from gnulib's
maint.mk (it would be nice to sync this file...).
(build_aux): New macro.
(VC_LIST, emit_upload_commands): Use it.
* build-aux/texinfo.tex: Resynchronize from upstream.
* lib/autoconf/general.m4 (_AC_COPYRIGHT_YEARS): Reformat to meet
expected pattern.
* lib/autotest/general.m4 (_AT_COPYRIGHT_YEARS): Likewise.
Paolo Bonzini [Thu, 30 Jul 2009 18:27:45 +0000 (20:27 +0200)]
Clarify comparison of echo, printf, and AS_ECHO*.
Discussed starting at
<http://lists.gnu.org/archive/html/bug-autoconf/2009-07/msg00025.html>.
* doc/autoconf.texi (Limitations of Builtins): In echo's entry,
give a reason why printf is better than echo. In printf's
entry, cross-reference echo's entry.
testsuite: avoid bogus hostname match from inner test logs.
* tests/autotest.at (Hard fail): Check more restrictively for
passed tests, so that hostnames recorded in the log file do not
wrongly match.
Report by Ludovic Courtès.
Eric Blake [Mon, 27 Jul 2009 01:06:06 +0000 (19:06 -0600)]
Document some optional features in INSTALL.
* doc/install.texi (Basic Installation): Mention that INSTALL is
generic, and that not all packages implement all features.
Mention 'make distcheck' for maintainers, and 'make installcheck'
for users. Mention the GNU Coding Standards.
(Installation Names): Mention DESTDIR vs. 'make prefix= install'
as ways to alter the configuration, with caveats of each. Move
--program-prefix discussion...
(Optional Features): ...here. Mention --enable-silent-rules and
use of make V=0.
Eric Blake [Sat, 25 Jul 2009 13:29:41 +0000 (07:29 -0600)]
Basic improvements to INSTALL.
* doc/install.texi (Basic Installation): Use better markup.
(Multiple Architectures): Introduce the term VPATH.
(Installation Names): Mention that --prefix must be absolute.
* doc/autoconf.texi (Preset Output Variables)
(Installation Directory Variables): Consistently refer to GNU
Coding Standards.
Eric Blake [Sat, 25 Jul 2009 23:17:41 +0000 (17:17 -0600)]
Require m4 1.4.6, and fix testsuite to support this version.
* m4/m4.m4 (AC_PROG_GNU_M4): Reject m4 1.4.5, now that we use
regexp it can't handle.
* NEWS: Mention minimum version bump.
* README: Likewise.
* README-hacking: Likewise.
* doc/autoconf.texi (Introduction, Why GNU M4): Likewise.
* tests/tools.at (autom4te --trace and whitespace): Update test so
still work with older m4 line numbers.
* tests/m4sugar.at (m4@&t@_require: nested): Likewise.
Reported by Ralf Wildenhues.
Eric Blake [Sat, 25 Jul 2009 12:00:38 +0000 (06:00 -0600)]
Let autoheader see through m4 macros in AC_DEFINE.
* lib/autoconf/general.m4 (AC_DEFINE_TRACE): Expand macro before
tracing its name.
* lib/autoconf/autoheader.m4 (AH_VERBATIM, AH_TEMPLATE): Likewise,
for using the macro in a template file.
* tests/tools.at (autoheader and macros): New test.
* NEWS: Mention this.
Reported by Bruno Haible.
Eric Blake [Sat, 25 Jul 2009 01:00:49 +0000 (19:00 -0600)]
Fix AS_EXIT for FreeBSD sh.
* lib/m4sugar/m4sh.m4 (AS_EXIT): Always supply an argument to the
shell function, since $? is not reliable on function entry.
(_AS_EXIT_PREPARE): Simplify to assume argument.
Reported by Ralf Wildenhues.
* tests/erlang.at: Added tests for all macros in erlang.m4.
* tests/Makefile.am: Added erlang.at.
* tests/suite.at: Likewise.
* tests/compile.at: Added test for extension of Erlang files.
* NEWS: Mention this.
Eric Blake [Mon, 13 Jul 2009 16:35:32 +0000 (10:35 -0600)]
Don't hide leading space in autom4te --trace output.
* bin/autom4te.in (handle_traces): Don't flatten leading and
trailing space, since tracing spacing bugs can be useful.
* tests/tools.at (autom4te --trace and whitespace): New test.
Eric Blake [Mon, 13 Jul 2009 18:54:19 +0000 (12:54 -0600)]
Disable asynchronous job notification for parallel tests.
* lib/autotest/general.m4 (AT_INIT) <Driver loop>: Turn off notify
mode, since zsh leaves it on after 'emulate sh'.
* doc/autoconf.texi (Limitations of Builtins) <set>: Document that
job control options are not portable.
Paolo Bonzini [Sun, 12 Jul 2009 11:50:24 +0000 (13:50 +0200)]
use m4 -g when available
M4sugar requires GNU m4 extensions to be enabled. Override
POSIXLY_CORRECT using -g.
* m4/m4.m4: Unset POSIXLY_CORRECT during first test. Test for -g.
Warn user if he has POSIXLY_CORRECT set but -g is not supported.
* bin/Makefile.am: Substitute @M4_GNU@ into generated files.
* bin/autom4te.in: Pass @M4_GNU@ to m4.
Paolo Bonzini [Sun, 12 Jul 2009 10:58:36 +0000 (12:58 +0200)]
Simplify handling of autotest tracing
* lib/autotest/general.m4 (at_fn_check_prepare_notrace): Use
$at_trace_echo. Add new REASON argument.
(at_fn_check_prepare_trace): Do not call at_fn_check_prepare_notrace.
Use $at_check_filter_trace.
(at_fn_check_prepare_dynamic): Use at_fn_check_prepare_notrace.
(at_traceon): Initialize to ':'.
(at_traceoff): Remove, use 'set +x' instead throughout.
(at_check_filter_trace, at_trace_echo): New shell variables.
Initialize them if tracing is requested.
(_AT_DECIDE_TRACEABLE): Adjust call to at_fn_check_prepare_notrace.
Paolo Bonzini [Sun, 12 Jul 2009 10:58:36 +0000 (12:58 +0200)]
Simplify handling of autotest tracing
This patch simplifies at_fn_check_prepare_trace by noting that it
need not call at_fn_check_prepare_notrace. Instead we can make
$at_traceon be ':' or 'set -x' instead of being empty when tracing
is disabled.
A similar approach is used for other variables set by
at_fn_check_prepare_trace and to conditionalize the message
about disabling tracing in at_fn_check_prepare_dynamic.
In addition, I changed $at_traceoff to 'set +x' throughout and
eliminated the variable.
2009-07-12 Paolo Bonzini <bonzini@gnu.org>
* lib/autotest/general.m4 (at_fn_check_prepare_notrace): Use
$at_trace_echo. Add new REASON argument.
(at_fn_check_prepare_trace): Do not call at_fn_check_prepare_notrace.
Use $at_check_filter_trace.
(at_fn_check_prepare_dynamic): Use at_fn_check_prepare_notrace.
(at_traceon): Initialize to ':'.
(at_traceoff): Remove, use 'set -x' instead throughout.
(at_check_filter_trace, at_trace_echo): New shell variables.
Initialize them if tracing is requested.
(_AT_DECIDE_TRACEABLE): Adjust call to at_fn_check_prepare_notrace.
Paolo Bonzini [Sun, 12 Jul 2009 10:22:39 +0000 (12:22 +0200)]
introduce AT_SKIP_IF and AT_FAIL_IF
These are lightweight versions of AT_CHECK that automatically
add the equivalent of ! in front of the command and change a
failure exit status to 77 resp. 99. They expand to just
two lines of shell code at the expense of not supporting
tracing (but then so does AT_XFAIL_IF).
2009-07-12 Paolo Bonzini <bonzini@gnu.org>
* NEWS: Mention AT_SKIP_IF and AT_FAIL_IF.
* doc/autoconf.texi (Autotest): Document them.
* lib/autotest/general.m4 (_AT_LINE_ESCAPED, AT_SKIP_IF,
AT_FAIL_IF, _AT_CHECK_EXIT): New.
(AT_CHECK): Use _AT_LINE_ESCAPED.
* tests/autotest.st: Add tests for AT_SKIP_IF and AT_FAIL_IF.
Use AT_SKIP_IF.
* tests/local.st: Use AT_SKIP_IF.
Eric Blake [Tue, 7 Jul 2009 12:58:18 +0000 (06:58 -0600)]
Make parallel testsuite more portable.
* lib/autotest/general.m4 (AT_INIT) <AT_JOB_FIFO_FD>: Avoid <>;
instead open write descriptor in each group and read descriptor in
main driver.
* tests/autotest.at (AT_SKIP_PARALLEL_TESTS): Relax condition.
Eric Blake [Thu, 2 Jul 2009 17:32:39 +0000 (11:32 -0600)]
Avoid syntax error in ash.
* lib/autotest/general.m4 (AT_INIT) <driver loop>: Avoid syntax
errors on shells that don't recognize <>.
* tests/autotest.at (AT_SKIP_PARALLEL_TESTS): Also skip parallel
tests for this reason. Skip based on the shell to be tested,
not the shell driving the testsuite.
(parallel syntax error): Rearrange similar to previous patch.
(parallel test execution): Defer skip until after serial tests.
Eric Blake [Thu, 2 Jul 2009 13:17:43 +0000 (07:17 -0600)]
Skip test on shells that can't catch syntax failure.
* tests/autotest.at (Syntax error): Skip test if shell aborts on
syntax error (AIX ksh88) or doesn't detect it (zsh).
* doc/autoconf.texi (Limitations of Builtins) <.>: Mention these
limitations.
Reported by Ralf Wildenhues.
* lib/m4sugar/m4sh.m4 (_AS_ECHO_N_PREPARE): Ensure more than
one character is output with `\c'; reset echo output state
if buggy ksh was detected, and set ECHO_T instead of ECHO_C.
* doc/autoconf.texi (Limitations of Builtins): Document it.
* tests/m4sh.at (ECHO_C): New test.
* THANKS: Update.
Eric Blake [Wed, 17 Jun 2009 12:26:48 +0000 (06:26 -0600)]
Fix AC_CHECK_HEADER infloop for gcc.
* lib/autoconf/headers.m4 (_AC_CHECK_HEADER_NEW)
(_AC_CHECK_HEADER_OLD): Give up on AU_DEFUN, and manually warn
about obsoletion, to avoid infinite loop in gcc.
Reported by Ralf Wildenhues.
Eric Blake [Mon, 15 Jun 2009 12:21:06 +0000 (06:21 -0600)]
Reinstate _AC_CHECK_HEADER_OLD for gcc.
* lib/autoconf/headers.m4 (_AC_CHECK_HEADER_NEW)
(_AC_CHECK_HEADER_OLD): Provide autoupdate versions, since gcc and
others used these undocumented macros.
Reported by Ralf Wildenhues.
Create a file in test program when detecting cross-compilation.
* lib/autoconf/lang.m4 (_AC_LANG_IO_PROGRAM): New macro, returns
program that creates a file.
(_AC_COMPILER_EXEEXT,_AC_COMPILER_EXEEXT_WORKS): Call new macro
and document why it's needed to robustly detect cross-compiling.
(AC_LANG_DEFINE): Copy implementation across similar languages.
* lib/autoconf/c.m4 (_AC_LANG_IO_PROGRAM(C)): Implement new macro.
* lib/autoconf/fortran.m4 (_AC_LANG_IO_PROGRAM(Fortran 77)):
Likewise.
* lib/autoconf/erlang.m4 (_AC_LANG_IO_PROGRAM(Erlang)): Likewise.
Eric Blake [Thu, 11 Jun 2009 12:59:57 +0000 (06:59 -0600)]
Simplify AC_LANG(Fortran).
* lib/autoconf/fortran.m4 (AC_LANG(Fortran)): Borrow from Fortran
77, which requires reordering portions of the file.
(AC_LANG_PROGRAM(Fortran), AC_LANG_CALL(Fortran)): Now defined
automatically.
Eric Blake [Sun, 7 Jun 2009 04:03:16 +0000 (22:03 -0600)]
Improve documentation on trap pitfalls.
* doc/autoconf.texi (Limitations of Builtins) <trap>: Mention new
Posix 2008 requirement on trap, and dash bug in implementing it.
Mention various shell bugs with traps defined inside subshells.
Mention older bash limitation with single-command exit trap.
<set>: Mention another 'set -e' limitation.
Reported by Jens Schmidt.
Eric Blake [Sat, 6 Jun 2009 16:38:23 +0000 (10:38 -0600)]
Document fallback behavior of AC_PROG_LEX.
* doc/autoconf.texi (Particular Programs) <AC_PROG_LEX>: Mention
why fallback is :, and that a --version check must be used to
determine whether flex was found.
Reported by Patrick Welche.
Eric Blake [Mon, 4 May 2009 17:00:30 +0000 (11:00 -0600)]
Sanitize more problematic environment variables.
* doc/autoconf.texi (Environment Variable Index): Add more
entries, particularly for precious variables and known culprit
variables. Needed to avoid overfull vbox.
(Special Shell Variables) <CLICOLOR_FORCE, GREP_OPTIONS>: Add
variables known to cause misbehavior.
* lib/m4sugar/m4sh.m4 (_AS_DETECT_BETTER_SHELL): Unset variables
known to cause problems.
* THANKS: Update.
Based on reports from Ilya Bobir and Joey Mingrone.
Ralf Wildenhues [Thu, 21 May 2009 12:18:39 +0000 (14:18 +0200)]
Document VPATH = $(variable) issue in VPATH chapter.
* doc/autoconf.texi (Variables listed in VPATH): New node.
(Top, VPATH and Make): Adjust menus.
(Build Directories): Refer to it.
Prompted by report from Bruno Haible.
Eric Blake [Mon, 4 May 2009 15:41:41 +0000 (09:41 -0600)]
Update uses of all-permissive license.
* ChangeLog: Relicense under GPL.
* ChangeLog.0: Likewise.
* ChangeLog.1: Likewise.
* ChangeLog.2: Likewise.
* THANKS: Likewise.
* m4/m4.m4: Use latest wording of FSF all-permissive license.
* m4/make-case.m4: Likewise.
* doc/install.texi: Likewise.
* tests/statesave.m4: Relicense to match rest of testsuite; this
file does not need all-permissive license since it is not designed
for reuse by other packages.
* BUGS: Relicense under all-permissive license.
* HACKING: Likewise.
* NEWS: Likewise.
* README: Likewise.
* README-alpha: Likewise.
* README-hacking: Likewise.
* TODO: Likewise.
* lib/autoconf/general.m4 (_AC_RUN_LOG_LIMIT, _AC_DO_LIMIT): New
internal macros, equivalent to _AC_RUN_LOG and _AC_DO, but with
an optional additional argument to limit the number of lines of
stderr output logged, defaulting to 10.
* lib/autoconf/c.m4 (AC_PROG_CC, AC_PROG_CXX, AC_PROG_OBJC): Use
_AC_DO_LIMIT for capturing compiler version output. Also test
-qversion, for the IBM xlc compiler.
* lib/autoconf/fortran.m4 (_AC_PROG_FC): Likewise.
* THANKS: Update.
Report by Christian Rössel and John R. Cary against Libtool.
Eric Blake [Thu, 23 Apr 2009 04:06:04 +0000 (22:06 -0600)]
Fix quoting of m4 macros in AT_CHECK.
* lib/autotest/general.m4 (AT_CHECK): Expand prior to adding
escapes, to avoid shell syntax errors caused by late macro
expansion.
* NEWS: Document this change.
* tests/autotest.at (Metacharacters in command from M4 expansion):
New test.
Eric Blake [Fri, 24 Apr 2009 14:46:59 +0000 (08:46 -0600)]
Make AT_CHECK_UNQUOTED more like AC_DEFINE_UNQUOTED.
* lib/autotest/general.m4 (AT_CHECK_NOESCAPE): Keep older,
undocumented semantics, where unbalanced " cannot be used in the
stdout/stderr argument.
(AT_CHECK_UNQUOTED): Treat " in stdout/stderr as a literal, since
the text is used in double-quoted context.
* tests/autotest.at (unquoted output): New test.
* doc/autoconf.texi (Writing Testsuites) <AT_CHECK>: Mention which
shell expansions are handled.
Improve description of AC_PROG_CC_C89 and AC_PROG_CC_C99.
* doc/autoconf.texi (C Compiler): Document that AC_PROG_CC_C89
and AC_PROG_CC_C99 prefer extended over strict conformance modes.
Report by Vincent Lefèvre.
* doc/autoconf.texi (Fortran Compiler, Initialization Macros)
(Limitations of Usual Tools, Pretty Help Strings)
(config.status Invocation): Fix `a' vs. `an' errors.
Report by Eric Blake.
Adjust channel definitions for new Automake `ordered' flag.
* lib/Autom4te/ChannelDefs.pm (Autom4te::ChannelDefs): Set
`ordered' flag to zero for channels `fatal', `automake', and
`verb'. This has currently no effect on actual semantics but
avoids a consistency check needed for Automake's usage of the
Channels.pm code.
Improve and clarify `config.status' usage documentation.
* doc/autoconf.texi (config.status Invocation): Fix markup in
synopsis. Use `tag' instead of `file' notation for the
non-option arguments, to be consistent with the documentation
of the AC_CONFIG_* macros.
* lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Likewise,
use `tag' notation for non-option arguments.
Report by John Calcote.
Eric Blake [Wed, 15 Apr 2009 01:06:27 +0000 (19:06 -0600)]
Fix yesterday's regression in AS_IF.
* lib/m4sugar/m4sh.m4 (_AS_IF_ELSE): Don't corrupt $? in else
branch; it is up to the user to avoid syntax errors.
* tests/m4sh.at (AS@&t@_IF and AS@&t@_CASE): Adjust test.
Eric Blake [Fri, 10 Apr 2009 20:43:33 +0000 (14:43 -0600)]
Improve documentation related to expanded-before-required.
* doc/autoconf.texi (Expanded Before Required): Add a case study.
(Running the Compiler) <AC_COMPILE_IFELSE>: Remind users that
running a compile test will AC_REQUIRE the compiler check.
(Macro Definitions) <AC_DEFUN>: Contrast AC_DEFUN and m4_define.
(C Compiler) <AC_PROG_CC>: Mention the fact that only first
invocation of this macro checks for $EXEEXT, and that many other
macros use it via AC_REQUIRE.
Reported by Andreas Schwab.
projects / thirdparty / autoconf.git / log
