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ChangeLog-2014
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ChangeLog-2014
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2014-05-13 Eric Blake <eblake@redhat.com>
doc: fix line-wrapped macro definitions
* doc/m4.texi: Drop bogus @c.
Reported by Marijn Schouten, fix by Patrice Dumas copied from
autoconf code base.
2014-02-05 Vitezslav Crhonek <vcrhonek@redhat.com> (tiny change)
main: diagnose unsupported --word-regexp
* src/m4.c (long_options): Don't allow long option if short option
is rejected.
2014-01-01 Eric Blake <eblake@redhat.com>
maint: bump copyright year
* all files: Version control now has a commit in 2014.
* gnulib: Update to latest.
2013-11-08 Eric Blake <eblake@redhat.com>
build: fix regression for DragonFly BSD
* gnulib: Update to latest gnulib, for fpending fix.
2013-09-24 Eric Blake <eblake@redhat.com>
build: improve default build for non-gcc
* gnulib: Update to latest gnulib.
* configure.ac (gl_WARN_ADD): Drop flags now guaranteed by gnulib.
(--enable-gcc-warnings): Set default based on a tarball-only file,
rather than whether .git exists.
* THANKS: Update.
2013-09-15 Gary V. Vaughan <gary@gnu.org>
configury: specify subdir-objects for future automake releases.
Latest automake warns about future incompatibility if
subdir-objects is not specified by AM_INIT_AUTOMAKE.
* configure.ac (AM_INIT_AUTOMAKE): Add subdir-objects.
bootstrap: require newer texinfo release.
* bootstrap.conf (buildreq): Bump required makeinfo binary
release number to 4.13 to support --bulid-dir option.
bootstrap: don't double-specify --no-changelog to gnulib-tool.
* bootstrap.conf (gnulib_tool_option_extras): Rename from
this...
(gnulib_tool_options): ...this, and append options rather than
overwrite.
bootstrap: sync with upstream.
* gl/build-aux/bootstrap.in, gl/build-aux/extract-trace,
gl/build-aux/funclib.sh, gl/build-aux/options-parser: Update
from upstream to pick up recent improvements.
* bootstrap: Regenerate.
2013-08-17 Michael Witten <mfwitten@gmail.com> (tiny change)
Clean up documentation
* doc/m4.texinfo: Note that m4 is mostly compatible with SVR4.
2013-08-17 Eric Blake <eblake@redhat.com>
maint: update to latest gnulib
* gnulib: Update to latest, for various fixes.
2013-04-18 Eric Blake <eblake@redhat.com>
maint: update to latest gnulib
* gnulib: Update to latest, for regex fixes.
2013-03-15 Eric Blake <eblake@redhat.com>
build: avoid test failure on HPUX
* doc/m4.texi (Command line files): Skip tests on systems where it
is impossible to start with stdin/out closed.
Reported by Gary V. Vaughan.
2013-03-12 Eric Blake <eblake@redhat.com>
maint: update to latest gnulib
* gnulib: Update to latest, for mingw compile fixes.
2013-03-11 Eric Blake <eblake@redhat.com>
build: fix large diversions on mingw
* gl/lib/clean-temp.c.diff: New file.
* NEWS: Mention the fix.
2013-03-08 Gary V. Vaughan <gary@gnu.org>
bootstrap: remove reintroduced CVS cruft.
* bootstrap.conf (m4_ignore_gnulib_ignore): Remove.
The code this was factored from was removed between making the
bootstrap branch, and merging, so this function is actually
obsolete.
maint: automake 1.11.5 and earlier generate insecure dist
rules.
* configure.ac (AM_INIT_AUTOMAKE): Require 1.11.5 or newer.
2010-09-17 Gary V. Vaughan <gary@gnu.org>
bootstrap: upgrade to canonical upstream version.
* bootstrap.conf: New file to configure gnulib bootstrap.
* gl: New gnulib overrides directory.
* gl/modules/bootstrap, gl/modules/extract-trace,
gl/modules/funclib.sh, gl/modules/inline-source,
gl/modules/options-parser: Import canonical bootstrap modules.
* gl/build-aux/bootstrap.in, gl/build-aux/extract-trace,
gl/build-aux/funclib.sh, gl/build-aix/inline-source,
gl/build-aux/options-parser: Import module implementations.
* bootstrap: Regenerate.
* m4/gnulib-cache.m4: Regenerate.
2013-01-02 Eric Blake <eblake@redhat.com>
maint: automake recommends *.texi now
* doc/m4.texinfo: Move...
* doc/m4.texi: ...here, for the eventual automake 1.14.
* HACKING: Reflect the rename.
* doc/Makefile.am (info_TEXINFOS): Likewise.
* checks/Makefile.am ($(srcdir)/stamp-checks): Likewise.
2013-01-01 Eric Blake <eblake@redhat.com>
maint: bump copyright year
* all files: Version control now has a commit in 2013.
maint: update to latest gnulib
* gnulib: Update to latest, for rational range regex, build fixes,
copyright update.
* NEWS: Document this.
2012-12-22 Eric Blake <eblake@redhat.com>
maint: enable tight_scope syntax check
* src/Makefile.am (m4_SOURCES): Move m4.h...
(noinst_HEADERS): ...into separate listing for syntax check.
* src/m4.h: Add 'extern' to function declarations.
(expansion_level): Declare extern variable here...
* src/debug.c: ...not here.
maint: move syntax check exemptions into cfg.mk
* .x-sc_prohibit_tab_based_indentation: Delete file.
* .x-update-copyright: Likewise.
* Makefile.am (syntax_check_exceptions): Delete rule.
* cfg.mk (exclude_file_name_regexp): Move exemptions here.
(local-checks-to-skip): Re-enable copyright check.
build: update to latest gnulib
* gnulib: Update to latest.
2012-11-19 Eric Blake <eblake@redhat.com>
build: avoid problematic gcc 4.4 warnings
* configure.ac (nw): Disable gcc warnings that cause build
failures under RHEL 6.3.
* gnulib: Update to latest.
2012-11-14 Paul Eggert <eggert@cs.ucla.edu>
doc: improve prehistory discussion
* doc/m4.texinfo (History): Describe M6 and related processors.
From a suggestion by Doug McIlroy in
<http://lists.gnu.org/archive/html/m4-discuss/2012-05/msg00004.html>.
Also, improve citation quality by giving URLs and so forth.
2012-09-21 Eric Blake <eblake@redhat.com>
maint: drop more CVS cruft
* bootstrap (Version control): Don't generate .cvsignore or
prepopulate m4/.gitignore.
* .gitignore: Allow m4/gnulib-cache.m4 manually.
2012-09-06 Eric Blake <eblake@redhat.com>
maint: enable gcc warnings during git development
* configure.ac (gl_gcc_warnings): Alter default based on environment.
2012-09-05 Stefanno Lattarini <stefano.lattarini@gmail.com> (tiny change)
maint: convert the last hand-written Makefile to automake
* checks/Makefile.in: Rename ...
* checks/Makefile.am: ... like this, and simplify and adjust to
make it proper as Automake input.
2012-09-04 Eric Blake <eblake@redhat.com>
maint: merge gitignore files
* build-aux/.gitignore: Delete.
* checks/.gitignore: Likewise.
* doc/.gitignore: Likewise.
* examples/.gitignore: Likewise.
* src/.gitignore: Likewise.
* .gitignore: Cover rules from deleted files.
maint: drop CVS cruft
* .cvsignore: Remove.
* build-aux/.cvsignore: Likewise.
* checks/.cvsignore: Likewise.
* doc/.cvsignore: Likewise.
* examples/.cvsignore: Likewise.
* src/.cvsignore: Likewise.
build: add more compiler checking
* configure.ac (nw): Turn on some warnings that no longer trigger
a gcc warning, or where we reduce the scope of unwarned code.
* src/m4.h (progname): Drop redundant declaration.
* src/builtin.c (includes): Use header for program_name.
build: pick up latest gnulib fixes
* gnulib: Update to latest.
* m4/gnulib-cache.m4: Regenerate.
* missing: Break symlink in order to work around automake version
mismatch issue.
* .gitignore: Update.
* .cvsignore: Likewise.
build: mark several pure functions
* src/m4.h (M4_GNUC_PURE): New macro.
* src/m4.c (fault_handler): Mark pure.
* src/builtin.c (find_builtin_by_addr, find_builtin_by_name):
Likewise.
* src/symtab.c (hash): Likewise.
2012-09-01 Eric Blake <eblake@redhat.com>
build: silence gcc warning
* configure.ac (M4_cv_gcc_pragma_push_works): New test.
(-Wformat-nonliteral): Disable for older gcc.
* src/format.c (expand_format): Mark our only uses of nonliteral
format as being safe.
doc: fix misuse of @xref
* doc/m4.texinfo (Inhibiting Invocation): Reword.
2012-07-21 Eric Blake <eblake@redhat.com>
bootstrap: avoid undefined variables
* bootstrap (func_fatal_error, func_usage, func_help)
(func_version): Use constants, not undefined variables; propagate
any write failures.
(func_missing_arg): Drop duplicate declaration. Preinitialize
exit_cmd.
Reported by Stefano Lattarini.
2012-06-26 Eric Blake <eblake@redhat.com>
build: get missing from automake, not gnulib
* build-aux/missing: Break link to gnulib.
* .gitignore: Reflect this.
2012-06-25 Eric Blake <eblake@redhat.com>
maint: update copyright year
* all files: Run 'make update-copyright'.
build: deal with newer glibc vs. FORTIFY_SOURCE
* configure.ac (FORTIFY_SOURCE): Make conditional on optimization.
2011-05-02 Eric Blake <eblake@redhat.com>
build: pick up latest gnulib fixes
* gnulib: Update to latest, for fclose improvements.
2011-04-30 Eric Blake <eblake@redhat.com>
build: improve SIGPIPE emulation on mingw
* gnulib: Update to latest.
* m4/gnulib-cache.m4: Import sigpipe module, drop strtol.
2011-04-29 Eric Blake <eblake@redhat.com>
m4_defn: avoid compiler warning
* src/builtin.c (m4_defn): Nuke redundant condition.
m4_error: fix missing va_end
* src/m4.c (m4_error, m4_error_at_line): Add missing va_end.
2011-03-01 Eric Blake <eblake@redhat.com>
Release Version 1.4.16.
* gnulib: Update to latest.
* NEWS: Mention the release.
* src/builtin.c (m4_defn): Silence spurious -Wstrict-overflow
warnings from gcc 4.5.1 at -O2.
2011-02-28 Eric Blake <eblake@redhat.com>
index: fix typo in previous commit
* doc/m4.texinfo (Index macro): Actually expose the bug.
2011-02-26 Eric Blake <eblake@redhat.com>
index: fix another regression from faulty strstr
* gnulib: Update to latest, for strstr fix.
* doc/m4.texinfo (Index macro): Test for the bug.
* NEWS: Document the fix.
* THANKS: Update.
Reported by Mike Stump, with additional analysis from Ralf
Wildenhues and Jim Meyering.
2011-02-07 Eric Blake <eblake@redhat.com>
maint: speed up configure, using latest gnulib
* gnulib: Update to latest.
* m4/gnulib-cache.m4: Import fclose and rename modules.
* configure.ac (gl_ASSERT_NO_GNULIB_POSIXCHECK): Speed up normal
configure runs (and document how to rerun GNULIB_POSIXCHECK).
* HACKING: Document GNULIB_POSIXCHECK.
maint: update http git cloning instructions
* HACKING: Git http doesn't like the redirect at git.sv.gnu.org.
* THANKS: Update.
Reported by Mike Dupont.
2011-02-01 Eric Blake <eblake@redhat.com>
maint: update to latest gnulib
* gnulib: Update to latest.
* m4/gnulib-cache.m4: Regenerate.
* src/builtin.c (m4_ifelse): Use STREQ.
2011-01-25 Eric Blake <eblake@redhat.com>
maint: reflect recent copyright assignments
* AUTHORS: Update.
2011-01-03 Eric Blake <eblake@redhat.com>
maint: update copyright year
* gnulib: Update to latest.
* m4/gnulib-cache.m4: Regenerate.
* all other files: Run 'make update-copyright'.
maint: document use of copyright ranges
* README: Copy coreutils wording for allowing copyright year
ranges. Also mention libsigsegv 2.9.
* cfg.mk (UPDATE_COPYRIGHT_USE_INTERVALS): Now that GNU Coding
Standards permit it, prefer shorthand copyright.
* HACKING: Update libsigsegv preference.
* NEWS: 1.4.16 will be in 2011.
* doc/m4.texinfo (History): Likewise.
2010-12-31 Eric Blake <eblake@redhat.com>
main: avoid leaking string on Haiku
* src/m4.c (main): Avoid leak when SIGBUS == SIGSEGV.
* THANKS: Update.
Reported by Scott McCreary.
2010-12-24 Eric Blake <eblake@redhat.com>
build: pull in various gnulib fixes
* gnulib: Update to latest.
* m4/gnulib-cache.m4: Reflect spawn-pipe module name change.
* src/builtin.c (includes): Likewise.
(define_user_macro): Alter comment to appease syntax-check.
* src/input.c (pop_wrapup): Likewise.
* src/output.c (undivert_all): Likewise.
* cfg.mk (local-checks-to-skip): Skip new rule.
maint: reflect recent copyright assignment
* AUTHORS: Add Raphael Poss.
2010-10-21 Eric Blake <eblake@redhat.com>
build: work around glibc and libsigsegv bugs
* gnulib: Update to latest.
* m4/gnulib-cache.m4: Regenerate.
* docs/m4.texinfo (Index macro): Expose strstr bug.
* NEWS: Mention fixes.
docs: mention more history
* doc/m4.texinfo (History): Add upcoming 1.4.16 release.
2010-08-31 Eric Blake <eblake@redhat.com>
Release Version 1.4.15.
* gnulib: Update to latest.
* NEWS: Mention the release.
2010-08-30 Eric Blake <eblake@redhat.com>
Clean up compiler warnings.
* src/builtin.c (m4_patsubst): Drop dead store.
* src/eval.c (unary_term): Likewise.
* src/input.c (match_input): Likewise. Also drop useless casts to
void.
* src/symtab.c (symtab_debug): Drop useless casts.
Test previous commit.
* doc/m4.texinfo (Format): Add a test.
* NEWS: Document the fix.
* THANKS: Update.
2010-08-30 Carlo Teubner <carlo.teubner@gmail.com> (tiny change)
Avoid a crash with bad format string.
* src/format.c (expand_format): Fix off-by-one error.
2010-08-30 Eric Blake <eblake@redhat.com>
Document recent bug fixes.
* NEWS: Add some entries.
* gnulib: Update to latest, for more AIX fixes.
2010-07-30 Eric Blake <eblake@redhat.com>
Update to newer gnulib.
* gnulib: Update to latest, for strtod fix.
* src/Makefile.am (m4_LDADD): Update link libraries accordingly.
* cfg.mk (local-checks-to-skip): Skip broken check.
* doc/m4.texinfo: Drop all use of @acronym{}.
* THANKS: Update.
Reported by Rainer Tammer.
2010-06-04 Eric Blake <eblake@redhat.com>
Reflect recent copyright assignment.
* AUTHORS: Add David Warme.
Update to newer gnulib.
* gnulib: Update to latest, and include C++ tests.
* configure.ac (gl_CXX_CHOICE_DEFAULT_NO): Make default for C++
tests be disabled...
* Makefile.am (DISTCHECK_CONFIGURE_FLAGS): ...but run them when
building package.
* m4/gnulib-cache.m4: Regenerate.
* build-aux/.cvsignore: Likewise.
* build-aux/.gitignore: Likewise.
Fix build on newer glibc.
* src/m4.h (includes): Add <sys/stat.h>.
* THANKS: Update.
Reported by Todd Rinaldo.
2010-03-02 Giuseppe Scrivano <gscrivano@gnu.org> (tiny change)
Support bootstrap --gnulib-srcdir=DIR.
* bootstrap: Add --gnulib-srcdir option, which overrides
GNULIB_SRCDIR, for consistency with gnulib bootstrap.
2010-02-24 Eric Blake <eblake@redhat.com>
Release Version 1.4.14.
* gnulib: Update to latest.
* README: Increase libsigsegv recommendation.
* HACKING: Likewise. Tweak release instructions.
* NEWS: Mention the release.
Improve parsing example.
* doc/m4.texinfo (Input processing): Double-quote argument to
translit, for robustness.
* THANKS: Update.
Reported by Chris Penev.
2010-01-29 Eric Blake <ebb9@byu.net>
Document upcoming release.
* gnulib: Update to latest.
* doc/m4.texinfo (History): Mention 1.4.14.
2010-01-06 Eric Blake <ebb9@byu.net>
Use correct license on auxiliary documentation.
* gnulib: Update to latest.
* AUTHORS: Use GFDL 1.3, not 1.2.
* BACKLOG: Likewise.
* README: Likewise.
* THANKS: Likewise.
* TODO: Likewise.
* NEWS: Place under GFDL.
* cfg.mk (old_NEWS_hash): Update.
2010-01-05 Eric Blake <ebb9@byu.net>
Remove more TAB characters.
* THANKS: Use space for alignment.
* bootstrap: Likewise.
* checks/stackovf.test: Likewise.
* configure.ac: Likewise.
* src/builtin.c: Likewise. Also update some stale comments.
* src/debug.c: Likewise.
* src/eval.c: Likewise.
* src/format.c: Likewise.
* src/freeze.c: Likewise.
* src/input.c: Likewise.
* src/m4.c: Likewise.
* src/m4.h: Likewise.
* src/macro.c: Likewise.
* src/output.c: Likewise.
* src/path.c: Likewise.
* src/symtab.c: Likewise.
Clarify minimum bootstrap requirements.
* bootstrap: Avoid out-of-date duplicated data.
Security fix by requiring newer automake features.
* configure.ac (AM_INIT_AUTOMAKE): Add dist-xz, color-tests,
parallel-tests, and silent-rules.
(AC_PREREQ): Bump autoconf requirement to 2.62, per automake.
* HACKING: Update minimum requirements.
* NEWS: Document the fix.
Drop hard-coding of GPG id.
* gnulib: Update to latest.
* m4/gnulib-cache.m4: Regenerate.
* cfg.mk (gpg_key_ID): Delete, now that maint.mk provides a
sensible default.
(update-copyright-env): Don't let environment interfere with wrap
column.
2010-01-01 Eric Blake <ebb9@byu.net>
Update copyright year.
All files impacted, via 'make update-copyright'. Additionally:
* .gitignore: Ignore backup files.
2009-12-29 Eric Blake <ebb9@byu.net>
Document new indentation policy.
* HACKING: Document indentation policy.
* .x-sc_prohibit_tab_based_indentation: New file.
* cfg.mk (sc_prohibit_tab_based_indentation): New rule.
* Makefile.am (syntax_check_exceptions): New macro.
(EXTRA_DIST): Distribute exception files, and .prev-version.
Switch to indentation by space, not tab.
* .gitmodules: Convert leading tabs to spaces.
* TODO: Likewise.
* bootstrap: Likewise.
* c-boxes.el: Likewise.
* checks/check-them: Likewise.
* checks/get-them: Likewise.
* checks/stackovf.test: Likewise.
* configure.ac: Likewise.
* src/builtin.c: Likewise.
* src/debug.c: Likewise.
* src/eval.c: Likewise.
* src/format.c: Likewise.
* src/freeze.c: Likewise.
* src/input.c: Likewise.
* src/m4.c: Likewise.
* src/m4.h: Likewise.
* src/macro.c: Likewise.
* src/output.c: Likewise.
* src/path.c: Likewise.
* src/symtab.c: Likewise.
Update to latest gnulib.
* gnulib: Update.
* m4/gnulib-cache.m4: Import xoset.
* src/output.c (includes): Ensure that gnulib oset usage will
call xalloc_die on memory failure.
* build-aux/.cvsignore: Regenerate.
* build-aux/.gitignore: Likewise.
2009-11-28 Eric Blake <ebb9@byu.net>
Work around BSD getopt bug.
* gnulib: Update.
* doc/m4.texinfo (Command line files): Add test.
Use fastmap for better regex performance.
* src/input.c (word_start): Delete.
(pop_wrapup): Free memory on exit.
(set_word_regexp): Compile a fastmap instead.
(peek_token, next_token): Use the fastmap.
2009-11-26 Eric Blake <ebb9@byu.net>
Ignore write failures before stack overflow exit.
* m4/gnulib-cache.m4: Import ignore-value module.
* src/m4.c (fault_handler): Use it to avoid compiler warning.
2009-11-25 Eric Blake <ebb9@byu.net>
Allow use of compiler warnings.
* m4/gnulib-cache.m4: Import manywarnings module.
* configure.ac (WERROR_CFLAGS, WARN_CFLAGS): New variables.
* src/Makefile.am (AM_CFLAGS): Use them.
* Makefile.am (DISTCHECK_CONFIGURE_FLAGS): Turn on warnings during
distcheck.
* src/m4.h (M4_GNUC_NORETURN): New macro.
(trace_post): Delete unused parameter.
* src/m4.c (usage): Mark as noreturn.
(main): Remove unused parameter.
* src/debug.c (trace_post): Likewise.
(trace_pre): Cover all enum values.
* src/symtab.c (lookup_symbol): Likewise.
* src/builtin.c (define_macro, m4_dumpdef): Likewise.
(m4_define, m4_undefine, m4_pushdef, m4_popdef, m4_sysval)
(m4_divert, m4_undivert, m4_dnl, m4_changequote, m4_changecom)
(m4_changeword, m4_syscmd, m4_include, m4_sinclude, m4_m4exit)
(m4_debugmode, m4_debugfile, m4_placeholder): Mark unused
parameters.
(mkstemp_helper): Use parameter.
(substitute): Avoid signed vs. unsigned comparison.
* src/format.c (arg_int, arg_long, arg_double): Likewise.
* src/input.c (next_token): Likewise.
* src/output.c (freeze_diversions): Likewise.
(m4_tmpname): Allow C++ compilation.
* src/freeze.c (produce_frozen_state, GET_NUMBER): Use correct
type.
* src/macro.c (call_macro): Cover all enum values.
(expand_macro): Update caller.
* src/path.c (m4_fopen): Remove unused parameter.
(m4_path_search): Update caller.
Silence syntax-check warnings.
* src/m4.h (STREQ): New macro.
* src/builtin.c (find_builtin_by_name): Use it.
* src/input.c (set_word_regexp): Likewise.
* src/m4.c (process_file): Likewise.
(main): Consistently spell warning, and mark output strings.
Avoid unsafe parsing functions.
(process_file): Mark output strings.
* src/output.c (make_diversion): Likewise.
* src/format.c (arg_int, arg_long, arg_double): New helpers.
(ARG_INT, ARG_LONG, ARG_DOUBLE): Use them to detect parse errors.
* BACKLOG: Avoid whitespace problems.
* TODO: Likewise.
* HACKING: Likewise.
* examples/esyscmd.m4: Likewise.
* examples/file.m4: Likewise.
* examples/fstab.m4: Likewise.
* examples/patsubst.m4: Likewise.
Use gnulib maintainer-makefile module.
* m4/gnulib-cache.m4: Import maintainer-makefile module.
* cfg.mk (local-checks-to-skip): Drop changelog-check; add
sc_cast_of_x_alloc_return_value.
(gnulib_dir, gnu_rel_host, url_dir_list): Delete; provided by
maint.mk.
(config_h_header, old_NEWS_hash): New macros.
* .prev-version: New file.
* maint.mk: Remove from version control; use gnulib instead.
* .gitignore: Update.
* HACKING: Update.
Update from gnulib.
* gnulib: Update.
* m4/gnulib-cache.m4: Use --makefile-name.
* lib/Makefile.am: Wrap the gnulib-generated file.
* tests/Makefile.am: Likewise.
* .gitignore: Track our wrappers.
* doc/m4.texinfo (Improved capitalize): Fix typo.
2009-10-05 Eric Blake <ebb9@byu.net>
Update from gnulib.
* gnulib: Update.
* m4/gnulib-cache.m4: Import gnu-web-doc-update module.
* build-aux/.gitignore: Ignore new file.
* build-aux/.cvsignore: Likewise.
2009-08-20 Eric Blake <ebb9@byu.net>
Update from gnulib.
* gnulib: Update.
* AUTHORS: Mention recent copyright assignment.
2009-08-17 Eric Blake <ebb9@byu.net>
Enhance test with closed descriptors.
* doc/m4.texinfo (Command line files): Enhance test from
2009-07-20 to actually test the bug being fixed.
Update copyright year.
* AUTHORS: Run UPDATE_COPYRIGHT_FORCE=1 make update-copyright.
* BACKLOG: Likewise.
* Makefile.am: Likewise.
* TODO: Likewise.
* acinclude.m4: Likewise.
* c-boxes.el: Likewise.
* cfg.mk: Likewise.
* checks/Makefile.in: Likewise.
* checks/check-them: Likewise.
* checks/stackovf.test: Likewise.
* doc/Makefile.am: Likewise.
* examples/Makefile.am: Likewise.
* src/Makefile.am: Likewise.
* src/debug.c: Likewise.
* src/eval.c: Likewise.
* src/freeze.c: Likewise.
* src/m4.h: Likewise.
* src/macro.c: Likewise.
* src/path.c: Likewise.
* src/symtab.c: Likewise.
Prepare to bulk update copyright year.
* gnulib: Update.
* m4/gnulib-cache.m4: Import update-copyright and vc-list-files
modules.
* maint.mk: Fix copyright.
(build_aux, VC_LIST, VC_LIST_EXCEPT, update-copyright): New macros
and rules borrowed from gnulib.
* cfg.mk (update-copyright-env): Enforce longhand behavior.
* .cvsignore: Reflect these changes.
* .gitignore: Likewise.
* .x-update-copyright: New file.
2009-08-14 Eric Blake <ebb9@byu.net>
Explicitly request GNU getopt extensions.
* gnulib: Update.
* m4/gnulib-cache.m4: Use getopt-gnu, not obsolete getopt module.
2009-07-22 Eric Blake <ebb9@byu.net>
Fix testsuite on Solaris.
* doc/m4.texinfo (Command line files): Tolerate different spelling
of EBADF.
* src/builtin.c (m4_esyscmd): Clear errno before reaping.
2009-07-21 Eric Blake <ebb9@byu.net>
Fix testsuite on mingw.
* gnulib: Update.
2009-07-20 Eric Blake <ebb9@byu.net>
Pick up gnulib fixes for sub-process execution.
* gnulib: Update.
* doc/m4.texinfo (Command line files): Add test; regression
introduced 2009-03-05.
* NEWS: Document the change.
Avoid cygwin 1.7 crash with closed stdout.
* gnulib: Update.
* doc/m4.texinfo (Command line files): Add test; regression
introduced 2008-07-17.
* NEWS: Document the change.
A status of 127 does not always imply esyscmd failure.
* src/builtin.c (m4_esyscmd): Silence gnulib message; regression
introduced 2009-03-05.
* doc/m4.texinfo (Sysval): Test this.
* NEWS: Document the change.
2009-06-25 Eric Blake <ebb9@byu.net>
Fix description of limits on diversions.
* doc/m4.texinfo (Diversions): Fix grammar. Be less pessimistic
about limitations.
* THANKS: Update.
Reported by Elias Benali.
2009-06-17 Eric Blake <ebb9@byu.net>
Update to latest gnulib.
* gnulib: Import fixes for Interix compilation.
* THANKS: Update.
Reported by Jay Krell.
2009-05-22 Eric Blake <ebb9@byu.net>
Update to latest gnulib.
* gnulib: Import fixes for AIX compilation.
* THANKS: Update.
Reported by Jens Rehsack.
2009-04-13 Eric Blake <ebb9@byu.net>
Fix GFDL usage.
* doc/m4.texinfo (copying): Complete transition to GFDL 1.3,
started 2008-12-12.
Reported by Santiago Vila.
2009-04-01 Eric Blake <ebb9@byu.net>
Release Version 1.4.13.
* NEWS: Mention the release.
2009-03-31 Eric Blake <ebb9@byu.net>
Tweak submodule instructions.
* HACKING: Improve directions.
* gnulib: Update to latest version.
2009-03-23 Eric Blake <ebb9@byu.net>
Don't force file overwrites during bootstrap.
* bootstrap: Ensure that rerunning bootstrap doesn't alter tree.
Drop dist-lzma, now that xz replaces lzma.
* configure.ac (AM_INIT_AUTOMAKE): Drop dist-lzma. Until a stable
automake release includes dist-xz, the release process will just
manually create a .xz tarball.
* gnulib: Update to latest gnulib.
2009-03-19 Eric Blake <ebb9@byu.net>
Exploit git submodule by adding appropriate symlinks.
* bootstrap: No longer copy files from gnulib.
* COPYING: Change to symlink pointing into gnulib.
* INSTALL: Likewise.
* build-aux/compile: Likewise.
* build-aux/config.guess: Likewise.
* build-aux/config.sub: Likewise.
* build-aux/depcomp: Likewise.
* build-aux/install-sh: Likewise.
* build-aux/mdate-sh: Likewise.
* build-aux/missing: Likewise.
* build-aux/texinfo.tex: Likewise.
* .cvsignore: Reflect these changes.
* .gitignore: Likewise.
* build-aux/.cvsignore: New file.
* build-aux/.gitignore: Likewise.
2009-03-18 Eric Blake <ebb9@byu.net>
Make gnulib a git submodule.
* .gitmodules: New file.
* gnulib: Record which version of gnulib has been tested.
* bootstrap: Aid in submodule usage.
* cfg.mk (gnulib_dir): Alter default location of gnulib.
* HACKING: Mention how to use submodule.
Use latest compile script, even with stable automake.
* bootstrap: Also sync build-aux/compile.
2009-03-12 Eric Blake <ebb9@byu.net>
Fix awk script portability.
* checks/get-them: In gsub, properly escape {. Close all files
before exiting.
Reported by Gary V. Vaughan.
2009-03-05 Eric Blake <ebb9@byu.net>
Allow configuration choice in syscmd shell.
* configure.ac (SYSCMD_SHELL): New test.
* src/builtin.c (m4_syscmd, m4_esyscmd): Use it to avoid
hard-coding the shell location.
* doc/m4.texinfo (Syscmd, Esyscmd): Document this.
* README: Document new configure option.
* NEWS: Likewise.
Remove cruft now that gnulib modules do the work.
* configure.ac (M4_cv_func_system_consistent): Delete.
* src/builtin.c (M4SYSVAL_EXITBITS, M4SYSVAL_TERMSIGBITS):
Delete.
Use gnulib pipe module instead of popen(3).
* m4/gnulib-cache.m4: Import pipe and wait-process modules.
* src/builtin.c (m4_esyscmd): Rewrite with pipe module.
Resolves a failure on AIX, reported by Gary V. Vaughan.
Use gnulib execute module instead of system(3).
* m4/gnulib-cache.m4: Import execute module.
* src/builtin.c (m4_sysval): Move computation...
(m4_esyscmd): ...into caller.
(m4_syscmd): Rewrite with execute module.
Resolves a failure on AIX, reported by Gary V. Vaughan.
2009-03-03 Eric Blake <ebb9@byu.net>
Try to tolerate spaces in directory names in testsuite.
* doc/m4.texinfo (Diversions, Using frozen files): Provide shell
quoting, in case __program__ contains spaces.
Improve web-manual maintainer rule.
* maint.mk (web-manual): Work with VPATH builds. Factor
package-specific detail...
* cfg.mk (manual_title): ...to new variable.
2009-02-26 Eric Blake <ebb9@byu.net>
Make bootstrap easier on Solaris.
* bootstrap: Add GNULIB_SRCDIR. Useful when a wrapper script
gnulib-tool exists earlier on the path to work around /bin/sh
failure in parsing $GNULIB_SRCDIR/gnulib-tool.
2009-02-19 Eric Blake <ebb9@byu.net>
Fix regression in translit.
* src/builtin.c (m4_translit): Use correct comparison.
* doc/m4.texinfo (Translit): Enhance test.
Speed up input engine, by searching for quotes by buffer.
* src/input.c (struct input_block): Add end pointer to string.
(push_string_finish, push_wrapup): Populate it.
(next_token): For quotes, attempt a buffer search.
* NEWS: Document this.
2009-02-18 Eric Blake <ebb9@byu.net>
Speed up translit when from argument is short.
* m4/gnulib-cache.m4: Import memchr2 module.
* src/builtin.c (m4_translit): Use memchr2 when possible.
* doc/m4.texinfo (Translit): Add tests.
* NEWS: Document this.
Update copyright year.
* THANKS: Mention 2009 in copyright year.
Prefer buffer over byte operations.
* src/format.c (expand_format): Use strchr for speed.
* src/builtin.c (substitute, expand_user_macro): Likewise.
Speed up esyscmd with buffer reads.
* src/builtin.c (m4_esyscmd): Read blocks directly into obstack,
rather than repeatedly reading bytes. Detect read errors.
Avoid risk of stack overflow.
* src/output.c (insert_file): Avoid stack allocation of large
buffer.
(freeze_diversions): Avoid spurious semicolon.
2009-02-16 Eric Blake <ebb9@byu.net>
Avoid test failure due to different errno.
* doc/m4.texinfo (Using frozen files): Ignore stdout, since
hardened systems can prevent attempts to read /.
* THANKS: Update.
Reported by Ronny Peine, in Gentoo bug 259184.
Avoid tests that make no sense, because m4 is single-threaded.
* m4/gnulib-cache.m4: Avoid lock-tests and tls-tests.
2009-02-12 Eric Blake <ebb9@byu.net>
Avoid quadratic code when walking definition stack.
* examples/stack_sep.m4: Use linear, not quadratic
implementation.
* doc/m4.texinfo (Improved copy): Fix documentation and add test,
based on recent autoconf bug fix.
2009-01-24 Eric Blake <ebb9@byu.net>
Add URLs to --help output.
* src/m4.c (usage): Use enhanced version-etc features.
2009-01-02 Eric Blake <ebb9@byu.net>
Use nicer email address in web manual.
* maint.mk (web-manual): Use new option in gendocs.sh.
Nuke xdelta diffs at release time; no one reported using them.
* maint.mk (got-xdelta, delta-xdelta): Delete.
* HACKING: Likewise.
2009-01-01 Eric Blake <ebb9@byu.net>
Update copyright year.
* NEWS: M4 1.4.13 will occur in 2009.
* doc/m4.texinfo (History): Likewise.
2008-12-24 Eric Blake <ebb9@byu.net>
Prepare for eventual release.
* doc/m4.texinfo (History): Mention 1.4.13.
2008-12-22 Eric Blake <ebb9@byu.net>
Make --debugfile argument optional.
* src/builtin.c (m4_debugfile): Make error message consistent.
* src/m4.c (long_options): Make the argument optional, to allow
setting debug file back to stderr.
(main): Make --debugfile order-dependent.
(usage): Document this.
* doc/m4.texinfo (Debugging options): Likewise.
* NEWS: Likewise.
Use @var correctly.
* doc/m4.texinfo (Operation modes, Preprocessor features)
(Limits control, Frozen state, Debugging options): Use lower case
names in @var.
(Improved copy): Use @code, not @var, as appropriate.
2008-12-18 Eric Blake <ebb9@byu.net>
Document optimized forloop.
* doc/m4.texinfo (Improved forloop): Mention alternate style that
avoids define overhead.
* examples/forloop3.m4: New file.
* examples/Makefile.am (EXTRA_DIST): Distribute it.
Deal with M4 1.4.x limitation on builtin tokens.
* doc/m4.texinfo (Composition): Mention limitation on curry.
(Improved copy): New node.
* examples/stack_sep.m4: New file.
* examples/Makefile.am (EXTRA_DIST): Distribute it.
Document copy composite using stack_foreach and curry.
* doc/m4.texinfo (Stacks): New node, to document pushdef stack
manipulation.
(Ifelse): Move define_blind...
(Composition): ...to this new node. Document currying, then use
it to implement copy and rename.
* examples/curry.m4: New file.
* examples/stack.m4: Likewise.
* examples/Makefile.am (EXTRA_DIST): Distribute them.
2008-12-17 Eric Blake <ebb9@byu.net>
Don't override signal handlers installed by c-stack.