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.
optional are the sum of the previous files on the command line'.
Also, pass `--reload-state=' on them, so...
(handle_m4): don't.
* lib/autom4te.in (Autotest, Autoconf): Rely on M4sh.
(M4sh): Rely on M4sugar.
(Autotest, M4sh, M4sugar): Use frozen files.
Remove $filepath, useless.
(&scan_makefile): Don't remove the $(FOO), ${FOO} and @FOO@
variables, they are really part of the tokens.
Split the input line on spaces and then look for tokens.
Now autoscan ceases to ask for AC_PROG_LEX for the package Bison
because of `lex$U.$(OBJEXT)'.
(&scan_files): Use "@list" instead of join.
* doc/Makefile.am (CLEANFILES): Add *.fns.
directives.
(&scan_sh_file): Remove a duplicate pattern.
(&check_configure_ac): Use long options.
* lib/autoscan/headers (alloca.h): Check with AC_FUNC_ALLOCA.
that we can trace macros from aclocal.m4.
Trace AC_PROG_LIBTOOL, not AM_PROG_LIBTOOL, since the latter is
obsoleted, and redirect to the former anyway.
Reported by Ralf Corsepius.
processed only if present.
* tests/torture.at (Configuring subdirectories): Use autoreconf
instead of successive calls to autoconf.
Add a nonexistent subdirectory to exercise the patch above.
Reported by Ralf Corsepius.
(&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.
(@export_forward_subs): New.
Add basename, dirname, and fileparse.
(@EXPORT): Adjust.
* bin/autoreconf.in (&autoreconf): Fix call to fileparse.
Don't look for aclocal flags if we already know aclocal is not
used.
Move aclocal.m4t only if it exists.
Reported by Ezra Peisach.
passed on command line, defaulting to ./configure.ac if present.
(&maybe_autoreconf, File::Find): Remove, unused.
(&autoreconf): If autoconf is not used, don't try to trace.
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.
Remove, dead.
* bin/autoreconf.in (&autoreconf): Do not run gettextize when
`intl' is already present, as it refuses unless --force.
(&parse_args): Use -I, --include instead of the old Autoconf
options.
($localdir, $autoconf_dir): Remove.
(@include): New.
(&maybe_autoreconf): New, to preserve $_ for File::Find.
(&parse_args): Pass verbosity/debugging options to subtools when
--debug, not when --verbose.
* lib/autom4te.in (Autoreconf-preselections): New.
(Autoconf): Use it.
Pass $at_debug_args to the rerun test suite.
* lib/m4sugar/Makefile.am (DISTCLEANFILES): New.
* bin/Makefile.am (ETAGS_SH): Don't use characters ranges.
From Paul Eggert.
* bin/autoupdate.in: Ditto.
* bin/autoheader.in: Reworded a few comments.
* bin/autoconf.in: Reworded help text for a few options.
* bin/autoheader.in, bin/autom4te.in, bin/autoreconf.in,
* bin/autoscan.in, bin/autoupdate.in: Ditto.
