* doc/autoconf.texi (Using autoreconf to Update configure
Scripts): List `AUTOM4TE' among the environment variables
honored by autoreconf.
* bin/autoreconf.in ($help): Likewise.
* bin/autoreconf.in ($aclocal_supports_warnings)
($automake_supports_warnings): New globals.
(parse_args): Set and use them. Be sure to invoke `aclocal
--help' and `automake --help' just once each.
* NEWS: Update.
Prompted by report from Bruno Haible.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Signed-off-by: Eric Blake <eblake@redhat.com>
* bin/autoreconf.in (autoreconf_current_directory): Collapse
newlines in the autoconf trace output, similar to how automake
invokes autoconf, so that newlines do not matter in the argument
to AC_CONFIG_SUBDIRS.
* tests/torture.at (Deep Package): Expose this issue in the
test.
* THANKS: Update.
Report by Nathan Schulte.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* configure.ac (PERL_FLOCK): New substitution variable with test
whether Fcntl::flock is implemented by the system.
* bin/Makefile.am (edit): Substitute @PERL_FLOCK@.
* bin/autom4te.in: Call XFile::lock only if flock is
implemented.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* 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.
Signed-off-by: Eric Blake <ebb9@byu.net>
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.
M4sugar requires GNU m4 extensions to be enabled. Override
POSIXLY_CORRECT using -g.
2009-07-12 Paolo Bonzini <bonzini@gnu.org>
* m4/m4.m4: Test for -g.
* bin/Makefile.am: Substitute @M4_GNU@ into generated files.
* bin/autom4te.in: Pass @M4_GNU@ to m4.
* bin/autom4te.in: Do not error out if another `autom4te'
instance created the cache directory before we could.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* lib/m4sugar/m4sh.m4 (_AS_EXIT_PREPARE): When defaulting, use $?
even if it is 0.
(AS_ERROR): Guarantee non-zero status.
* bin/autoconf.as (exit_missing_arg, getopt): Revert prior change;
we want non-zero status.
* tests/m4sh.at (AS@&t@_EXIT): Update test accordingly.
* doc/autoconf.texi (Common Shell Constructs) <AS_EXIT>: Update
the documentation.
<AS_SET_STATUS>: Don't overly restrict implementation.
(Printing Messages) <AC_MSG_ERROR>: Describe better default.
Suggestions by Paolo Bonzini and Ralf Wildenhues.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/m4sugar/m4sh.m4 (_AS_EXIT_PREPARE): Let as_func_exit
parameter be optional.
(AS_EXIT): Use it to make better default.
(_AS_DETECT_BETTER_SHELL): Use new default.
* bin/autoconf.as (exit_missing_arg, getopt): Likewise.
* lib/autoconf/status.m4 (AC_OUTPUT): Likewise.
* tests/m4sh.at (AS@&t@_EXIT): Update test.
* doc/autoconf.texi (Common Shell Constructs) <AS_EXIT>: Mention
new default behavior.
(Limitations of Builtins) <trap>: Adjust to use new default.
* NEWS: Mention the semantic change.
Suggested by Ralf Wildenhues.
Signed-off-by: Eric Blake <ebb9@byu.net>
* 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.
Signed-off-by: Eric Blake <ebb9@byu.net>
* bin/autom4te.in: Adjust comments, now that we rely on 1.4.5+.
(files_to_options): Avoid inheriting __m4_version__ from frozen
file if current M4 does not support it.
Signed-off-by: Eric Blake <ebb9@byu.net>
* bin/autoupdate.in (_au___undefine): New macro,...
(_au__undefine): ...wrapped by ifdef to silence m4 warnings.
Reported by Ralf Wildenhues.
Signed-off-by: Eric Blake <ebb9@byu.net>
* bin/autom4te.in (handle_output): Substitute @{:@ and @:}@.
(handle_traces): Likewise.
* lib/m4sugar/m4sugar.m4 (m4_qlen): Account for new quadrigraphs.
* tests/autotest.at (AT_CHECK_AT_TITLE_CHAR): Add new tests.
* doc/autoconf.texi (Quadrigraphs): Document them.
(Evaluation Macros) <m4_expand>: Enhance documentation.
(Text processing Macros) <m4_text_box>: Document cases where
quadrigraphs can help for problemetic unbalanced parentheses.
(Pretty Help Strings) <AS_HELP_STRING>: Likewise.
(Writing Testsuites) <AT_SETUP>: Likewise.
(Limitations of Builtins) <case>: Consolidate text on unbalanced
parentheses, and add an example of creative comments.
* NEWS: Document the addition.
Reported by Joel E. Denny.
Signed-off-by: Eric Blake <ebb9@byu.net>
Return back to GPLv2+, until the text of the exceptions is
finalized, reverting the change from 2007-07-03 and the first
part of the change from 2007-07-20.
Also:
* COPYING: Revert to GPLv2.
* COPYINGv3: New file, since some auxiliary build tools, used for
building autoconf and not installed, are GPLv3.
* Makefile.am (EXTRA_DIST): Distribute COPYINGv3.
* NEWS: Remove mention of GPLv3.
* README: Clarify situation regarding GPLv3.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/Autom4te/FileUtils.pm (handle_exec_errors): New argument
$hint, show if the executing program does not exist.
(xsystem_hint): New function, like xsystem but allows to pass
a hint.
* bin/autoreconf.in: Use xsystem_hint for spawning autopoint and
libtoolize.
Report by Bruce Korb.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* bin/autoreconf.in ($run_make): Renamed from ...
($make): ... this. Use now as command to run `make',
overridden by $MAKE. Document this in --help output.
* doc/autoconf.texi (autoreconf Invocation): Document
all environment variables honored by autoreconf.
* NEWS: Update.
Report by Paul Eggert.
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
This includes escaping of characters special to the shell
as well as special to Perl, e.g., leading `<' or `>'.
For example, when $file starts with `>', `open ">$file"'
wrongly tries to append to a different file.
* bin/autoconf.as: Fix quoting for autom4te options.
* lib/Autom4te/General.pm (shell_quote): New function, taken
from coreutils, written by Jim Meyering.
(mktmpdir): Use it.
* bin/autom4te.in (files_to_options, handle_m4): Use shell_quote
and open_quote.
* bin/autoreconf.in (parse_args): Likewise.
* bin/autoscan.in (main): Likewise.
* bin/autoupdate.in (main): Likewise.
* bin/autoheader.in: Likewise, fixing old insufficient escaping.
* bin/ifnames.in: Likewise, XFile usage fixes.
* tests/tools.at (autom4te and whitespace in file names): Extend
test. Test twice, with special characters allowed on w32, and the
rest. Test leading and trailing whitespace, for `open_quote'.
(autotools and whitespace in file names): New, analogous test.
Reported by Paul Eggert and Benoit Sigoure, additional suggestions
by Russ Allbery and Eric Blake.
* aclocal.m4: Remove.
* configure: Remove.
* Makefile.in: Remove, along with all other Makefile.in in subdirs.
* .gitignore: Add aclocal.m4, configure and Makefile.in. Sort.
* README-hacking: New file: how to build from just-checked-out sources.
* lib/m4sugar/m4sh.m4 (AS_INIT): Add a 'generated from' notice.
* lib/autoconf/general.m4 (_AC_INIT_NOTICE): Override new notice
from M4sh.
* bin/autoconf.as: Put copyright up front in generated file.
Signed-off-by: Eric Blake <ebb9@byu.net>
* lib/autoconf/functions.m4 (GETLOADAVG_LIBS) [AC_FUNC_GETLOADAVG]:
Use "|", not "!".
* lib/autoconf/status.m4 (_AC_SRCDIRS) [ac_top_builddir_sub]:
[ac_dir_suffix]: Use "|", not "," as sed delimiter.
* tests/mktests.sh (as_me): Likewise.
* lib/freeze.mk (check-forbidden-patterns): Likewise.
* lib/autoconf/fortran.m4 (_AC_PROG_FC_V_OUTPUT): Likewise.
* configure: Regenerate.
* doc/autoconf.texi (Shell Substitutions): Use "|", not "," in examples.
* lib/autotest/general.m4 (AT_INIT): Use "|", not "&" as sed delimiter
in the : -> $PATH_SEPARATOR transformation of $AUTOTEST_PATH. This is fine,
as long as $PATH_SEPARATOR doesn't contain "|".
