1 2007-10-22 Eric Blake <ebb9@byu.net>
3 Add DEBUG_REGEX debugging information.
4 * src/m4.h (DEBUG_REGEX): New debug macro.
5 * src/m4.c (main) [DEBUG_REGEX]: Open regex trace file when
7 * src/builtin.c (m4_patsubst, m4_regexp, compile_pattern)
8 [DEBUG_REGEX]: Trace regex usage.
10 Never let printf failures go undetected.
11 * m4/gnulib-cache.m4: Augment with 'gnulib-tool --import
13 * src/m4.h: Include xprintf.h.
14 * src/format.c (format): Warn on format failures.
15 * src/builtin.c (ntoa): Export.
16 (m4_errprint): Adjust all *printf callers.
17 * src/debug.c (debug_message_prefix, trace_format): Likewise.
18 * src/freeze.c (produce_frozen_state): Likewise.
19 * src/input.c [DEBUG_INPUT]: Likewise.
20 * src/m4.c (usage): Likewise.
21 * src/m4.h (DEBUG_PRINT1, DEBUG_PRINT3, DEBUG_MESSAGE)
22 (DEBUG_MESSAGE1, DEBUG_MESSAGE2): Likewise.
23 * src/output.c (m4_tmpname, shipout_text, freeze_diversione):
25 * src/path.c [DEBUG_INCL]: Likewise.
26 * src/stackovf.c (process_sigsegv) [DEBUG_STKOVF]: Likewise.
27 * src/symtab.c [DEBUG_SYM]: Likewise.
29 2007-10-17 Eric Blake <ebb9@byu.net>
31 Fix 'm4 -F file -t undefined'.
32 * src/freeze.c (produce_frozen_state): Avoid core dump.
33 * doc/m4.texinfo (Using frozen files): Test for the bug.
34 * NEWS: Mention the fix.
36 2007-10-09 Eric Blake <ebb9@byu.net>
38 * NEWS: Document recent speedups.
40 Fix regexp regression of 2007-09-29.
41 * src/builtin.c (substitute): Allow NULL regs when no
42 subexpressions were present.
43 (m4_regexp): Handle \ escapes even with empty regex.
44 * doc/m4.texinfo (Regexp, Patsubst): Catch this bug.
46 Cache regex compilation for another autoconf speedup.
47 * src/m4.h (free_macro_sequence): Rename...
48 (free_regex): ...to this.
49 * src/m4.c (main): Update caller.
50 * src/builtin.c (REGEX_CACHE_SIZE, m4_regex, regex_cache): New
52 (compile_pattern): New function; cache recent regexes.
53 (free_regex): Rename, and clean up additional memory.
54 (m4_regexp, m4_patsubst): Use new function.
56 2007-10-02 Eric Blake <ebb9@byu.net>
58 Document quoting pitfalls in capitalize.
59 * doc/m4.texinfo (Patsubst): Use the examples directory. Also
61 (Improved capitalize): New node.
62 * examples/capitalize.m4: Update to match manual.
63 * examples/capitalize2.m4: New file.
65 2007-10-01 Eric Blake <ebb9@byu.net>
67 Another Autoconf usage pattern optimization.
68 * src/builtin.c (m4_index): Optimize search for one byte.
69 * doc/m4.texinfo (Index macro, Regexp, Patsubst): Test the new
72 2007-09-29 Eric Blake <ebb9@byu.net>
74 Optimize for Autoconf usage pattern.
75 * src/builtin.c (m4_regexp, m4_patsubst): Handle empty regex
78 2007-09-24 Eric Blake <ebb9@byu.net>
80 Create .gitignore alongside .cvsignore.
81 * bootstrap (LC_ALL): Set up front.
82 (version control) Borrow idea from head, to avoid churn in
83 m4/.*ignore files modified by gnulib-tool.
85 2007-09-13 Eric Blake <ebb9@byu.net>
89 2007-09-07 Eric Blake <ebb9@byu.net>
91 * AUTHORS: Simplify, to match libtool and autoconf layout.
92 * THANKS: Sync with head.
94 2007-08-10 Eric Blake <ebb9@byu.net>
96 * doc/m4.texinfo (Compatibility): Sync with head.
98 2007-08-10 Konrad Schwarz <konrad.schwarz@siemens.com> (tiny change)
99 and Eric Blake <ebb9@byu.net>
101 * doc/m4.texinfo (Defn): Update wording.
103 2007-08-09 Eric Blake <ebb9@byu.net>
105 POSIX requires defn(`a',`b') to concatenate definitions.
106 * src/builtin.c (m4_defn): Allow multiple arguments, but warn if
107 trying to mix a builtin with anything else.
108 * doc/m4.texinfo (Defn): Document a use for this POSIX
110 (Incompatibilities): Update to match current status.
111 * NEWS: Document this change.
113 Reported by Konrad Schwarz.
115 2007-08-04 Eric Blake <ebb9@byu.net>
117 Normalize all GPL license notices.
118 * GNUmakefile: Update license wording.
119 * Makefile.am: Likewise.
120 * Makefile.maint: Likewise.
121 * bootstrap: Likewise.
123 * configure.ac: Likewise.
124 * checks/Makefile.in: Likewise.
125 * doc/Makefile.am: Likewise.
126 * examples/Makefile.am: Likewise.
127 * src/Makefile.am: Likewise.
128 * src/builtin.c: Likewise.
129 * src/debug.c: Likewise.
130 * src/eval.c: Likewise.
131 * src/format.c: Likewise.
132 * src/freeze.c: Likewise.
133 * src/input.c: Likewise.
134 * src/m4.c: Likewise.
135 * src/m4.h: Likewise.
136 * src/macro.c: Likewise.
137 * src/output.c: Likewise.
138 * src/path.c: Likewise.
139 * src/stackovf.c: Likewise.
140 * src/symtab.c: Likewise.
142 2007-07-21 Eric Blake <ebb9@byu.net>
144 Fix regression on NetBSD from 2007-05-28.
145 * src/output.c (m4_tmpopen): Explicitly reset append-mode stream
147 * NEWS: Document this fix.
149 Reported by Thomas Klausner.
151 2007-07-20 Eric Blake <ebb9@byu.net>
153 Fix 'make distcheck' issues.
154 * Makefile.am (EXTRA_DIST): No need to distribute
155 gpl-3.0.texi.diff anymore.
156 * m4/gnulib-cache.m4: Update to latest gnulib.
158 2007-07-14 Eric Blake <ebb9@byu.net>
160 Reflect upstream license .texi changes.
161 * doc/m4.texinfo (Copying): Rename node...
162 (GNU General Public License): ...to this.
163 (GNU Free Documentation License): Adjust node location.
164 * local/doc/gpl-3.0.texi.diff: Remove file.
166 2007-07-10 Eric Blake <ebb9@byu.net>
169 * configure.ac (AC_INIT): Bump version number.
170 * NEWS: Start changes since 1.4.10.
171 * doc/m4.texinfo (History): Mention 1.4.11.
172 (Copying This Package, Copying This Manual): Add index entries.
173 * local/lib/version-etc.c.diff: Delete, now that gnulib has been
175 * Makefile.am (EXTRA_DIST): Remove dead file.
177 2007-07-09 Eric Blake <ebb9@byu.net>
180 * doc/Makefile.am (m4_TEXINFOS): Distribute gpl-3.0.texi.
181 * Makefile.am (EXTRA_DIST): Distribute gnulib diffs.
182 * configure.ac (AC_INIT): Bump version number.
183 * NEWS: Describe changes since 1.4.9.
185 * src/format.c: Missed a GPLv3 conversion.
187 Avoid undefined behavior of %.*c in printf.
188 * src/format.c (format): Special case %c.
189 * TODO: Document that more remains to be done.
190 * NEWS: Document the fix.
192 2007-07-05 Eric Blake <ebb9@byu.net>
194 Fix up gnulib-tool usage.
195 * m4/gnulib-cache.m4: Change local-dir to local, not `.'.
196 * version-etc.c.diff: Move to...
197 * local/lib/version-etc.c.diff: ...here.
198 * gpl-3.0.texi.diff: Move to...
199 * local/doc/gpl-3.0.texi.diff: ...here.
201 2007-07-04 Eric Blake <ebb9@byu.net>
203 Upgrade to GPL version 3 or later.
204 * bootstrap: Pick up GPLv3.
205 * m4/gnulib-cache.m4: Augment with 'gnulib-tool
206 --local-dir=. --import gpl-3.0'.
207 * doc/m4.texinfo (Copying This Package): New appendix.
208 * NEWS: Mention this change.
209 * README: Mention why some files still claim to be version 2.
210 * version-etc.c.diff: New file, to make sure --version claims
211 correct GPL version. Temporary until gnulib makes move.
212 * gpl-3.0.texi.diff: New file, to allow inclusion of GPLv3 as
213 appendix, rather than section, of the manual.
214 * GNUmakefile: Update to new license.
215 * Makefile.am: Likewise.
216 * Makefile.maint: Likewise.
218 * configure.ac: Likewise.
219 * checks/Makefile.in: Likewise.
220 * doc/Makefile.am: Likewise.
221 * examples/Makefile.am: Likewise.
222 * src/Makefile.am: Likewise.
223 * src/builtin.c: Likewise.
224 * src/debug.c: Likewise.
225 * src/eval.c: Likewise.
226 * src/freeze.c: Likewise.
227 * src/input.c: Likewise.
228 * src/m4.c: Likewise.
229 * src/m4.h: Likewise.
230 * src/macro.c: Likewise.
231 * src/output.c: Likewise.
232 * src/path.c: Likewise.
233 * src/stackovf.c: Likewise.
234 * src/symtab.c: Likewise.
236 2007-06-26 Eric Blake <ebb9@byu.net>
238 * m4/gnulib-cache.m4: Augment with 'gnulib-tool --import assert'.
240 2007-06-26 Karl Berry <karl@freefriends.org> (tiny change)
242 Match Free Software Directory categories.
243 * doc/m4.texinfo (dircategory): Update.
245 2007-05-31 Eric Blake <ebb9@byu.net>
247 * src/output.c (output_text): Fix regression from 2007-05-28.
248 * doc/m4.texinfo (History): Mention 1.4.10.
249 (Format): Make testsuite output easier to debug.
251 2007-05-29 Eric Blake <ebb9@byu.net>
254 * configure.ac (AC_INIT): Bump version number.
255 * NEWS: Start changes since 1.4.9b, and fix typo.
258 * configure.ac (AC_INIT): Bump version number.
259 * NEWS: Describe changes since 1.4.9.
261 Improve format support.
262 * m4/gnulib-cache.m4: Augment with 'gnulib-tool --import
264 * src/format.c (format): Parse %'hhd, %a, %A. Avoid calling
265 printf with too few arguments, as in format(%*.*d,-1,-1,1).
266 * doc/m4.texinfo (Format): Expand tests, and improve
268 * NEWS: Document this change.
270 2007-05-28 Eric Blake <ebb9@byu.net>
272 Fix large diversion corner cases, including 1.4.8 regression.
273 * src/output.c (m4_tmpfile, m4_tmpopen): Simplify use of errno.
274 (make_room_for): Use NULL, not 0, for pointers.
275 (insert_diversion_helper): Avoid using rewind.
276 (freeze_diversions): Allow freezing large diversions.
277 * NEWS: Document this fix.
279 Also run gnulib unit tests during make check.
280 * m4/gnulib-cache.m4: Augment with 'gnulib-tool
281 --tests-base=tests --with-tests'.
282 * configure.ac (AC_CONFIG_FILES): Build gnulib testdir.
283 * Makefile.am (SUBDIRS): Run gnulib tests before ours.
285 2007-05-25 Eric Blake <ebb9@byu.net>
287 Backport prompts in examples from head.
288 * src/macro.c (expand_macro): Shorten message.
289 * doc/m4.texinfo (Manual, Command line files, Comments)
290 (Inhibiting Invocation, Macro Arguments, Macro expansion, Indir)
291 (Builtin, Shift, Forloop, Foreach, Dumpdef, Trace, Debug Levels)
292 (Debug Output, Include, Format, Syscmd, Mkstemp, Location)
293 (Using frozen files, Improved forloop, Improved foreach): Add
295 * checks/get-them: Ignore prompts in examples.
297 Fix sync line interaction with multiline comments.
298 * doc/m4.texinfo (Other Incompatibilities): Add example, and
299 document bug in --syncline/divert interaction.
300 (Preprocessor features): Augment test.
301 * src/m4.h (output_text): Export.
302 (shipout_text, next_token): Add parameter.
303 * src/freeze.c (reload_frozen_state): Don't interfere with
304 synclines when reloading state.
305 * src/output.c (output_text): Export.
306 (shipout_text): Take new parameter for start line of token.
307 Output at most one syncline per token.
308 * src/input.c (next_token): Report line where multiline tokens
310 * src/macro.c (expand_input, expand_token, expand_argument):
311 Adjust callers so that line is passed from input to output.
312 * NEWS: Document this fix.
313 Reported by Sergey Poznyakoff.
315 Test -s in testsuite.
316 * doc/m4.texinfo (Preprocessor features): Add a test.
317 * checks/get-them: Support extra options in testsuite.
318 * checks/check-them (examples): Use extra options.
320 Reported by Sergey Poznyakoff.
322 2007-05-24 Eric Blake <ebb9@byu.net>
324 Support POSIX flush semantics on all platforms.
325 * m4/gnulib-cache.m4: Remove closeout, and augment with
326 'gnulib-tool --import closein fflush'.
327 * src/m4.h (includes): Use closein, not closeout.
328 * src/m4.c (main): Ensure stdin is flushed when not all input is
330 (process_file): No return needed.
331 * src/debug.c (debug_flush_files): Rely on gnulib module, rather
332 than excluding mingw.
333 * NEWS: Document this change.
335 Work around cygwin and mingw fseeko bugs.
336 * m4/gnulib-cache.m4: Augment with 'gnulib-tool --import fseeko'.
337 * src/debug.c (debug_flush_files): Prefer fseeko over fseek.
339 2007-04-25 Eric Blake <ebb9@byu.net>
341 Fix negative division within eval, regression of 2007-01-06.
342 * doc/m4.texinfo (Eval): Catch this bug.
343 * src/eval.c (mult_term): Fix it.
344 * NEWS: Document this.
346 Reported by Cesar Strauss.
348 2007-04-23 Eric Blake <ebb9@byu.net>
351 * configure.ac (AC_INIT): Bump version number.
352 * NEWS: Start changes since 1.4.9.
354 2007-03-23 Eric Blake <ebb9@byu.net>
357 * configure.ac (AC_INIT): Bump version number.
358 * NEWS: Describe changes since 1.4.8b.
360 2007-03-16 Eric Blake <ebb9@byu.net>
362 * doc/m4.texinfo (Mkstemp): Tweak wording.
363 * src/output.c (output_init): Adjust to latest gnulib.
365 2007-03-15 Eric Blake <ebb9@byu.net>
367 Avoid Tandem/NSK's broken long long (without a symmetric unsigned
368 long long, it confuses gnulib).
369 * configure.ac (AC_TYPE_LONG_LONG_INT): Declare long long broken
370 if unsigned long long doesn't work.
372 Reported by Matthew Woehlke.
374 2007-03-07 Eric Blake <ebb9@byu.net>
377 * doc/m4.texinfo: Minor tweaks, avoid makeinfo warning.
379 2007-03-01 Eric Blake <ebb9@byu.net>
381 * doc/m4.texinfo: Pick up more index entries from head. Follow
382 more texinfo recommendations.
383 (Sysval): Improve tests.
385 Avoid overfull \vbox warning from texinfo, due to indices that
386 weren't quite big enough to split across page boundaries.
387 * doc/m4.texinfo: Add lots of concept index entries.
388 (Concept Index): Move to be last, as recommended by texinfo
390 (Define, Arguments, Pseudo Arguments): Add more function entries.
392 2007-02-28 Eric Blake <ebb9@byu.net>
394 * doc/m4.texinfo (Eval): Clean up wording to reflext POSIX XCU ERN
396 (Pseudo Arguments): Add useful example.
398 * doc/m4.texinfo (Pushdef, Incompatibilities): Clean up wording to
399 reflect POSIX XCU ERN 118.
401 * src/m4.h (DEFAULT_MACRO_SEQUENCE): Factor out from...
402 * src/m4.c (usage): ...here,...
403 * src/builtin.c (set_macro_sequence): ...and here.
404 (define_user_macro): Fix typo.
405 * doc/m4.texinfo (Preprocessor features, Arguments): Fix minor
407 (Shift): Document composite macro argn for portably getting at
408 positional parameters beyond 9.
409 * configure.ac (AC_INIT): Bump version number.
410 * NEWS: Start changes of 1.4.8c.
412 2007-02-24 Eric Blake <ebb9@byu.net>
415 * configure.ac (AC_INIT): Bump version number.
416 * NEWS: Describe changes since 1.4.8.
418 Reserve all uses of raw ${} in macro definitions, not just
420 * src/builtin.c (set_macro_sequence): Change default macro
422 * doc/m4.texinfo (Operation modes): Update to match.
423 * src/m4.c (usage): Likewise.
426 2007-02-23 Eric Blake <ebb9@byu.net>
428 * src/m4.h (includes): Update to latest gnulib.
430 2007-02-08 Eric Blake <ebb9@byu.net>
432 Rename --warn-syntax to --warn-macro-sequence[=regex], to make it
433 more flexible, and so that autoconf can use it.
434 * src/m4.h (set_macro_sequence, free_macro_sequence): New
436 * src/builtin.c (macro_sequence_buf, macro_sequence_regs)
437 (macro_sequence_inuse, set_macro_sequence, free_macro_sequence):
438 New variables and functions.
439 (define_user_macro): Allow flexibility in regular expression used
441 * src/m4.c (warn_syntax): Delete.
442 (usage, WARN_MACRO_SEQUENCE_OPTION, main): Implement changed
443 spelling of option, along with optional argument.
444 * doc/m4.texinfo (Operation modes, Arguments): Document this
446 * NEWS: Document this change.
448 2007-02-05 Eric Blake <ebb9@byu.net>
450 * m4/gnulib-cache.m4: Module strstr no longer exists.
452 Avoid bool bitfields, as they don't work on AIX.
453 * src/m4.h (bool_bitfield): New typedef.
454 (struct symbol, struct builtin): Use it.
455 * src/input.c (struct input_block): Likewise.
456 Reported by Albert Chin.
458 * doc/m4.texinfo (Sysval): Avoid SIGPIPE in test as unreliable.
459 Reported by Albert Chin.
462 2006-06-18 Bruno Haible <bruno@clisp.org> (tiny change)
464 * doc/m4.texinfo (Input processing): Further clarifications.
466 2007-02-03 Eric Blake <ebb9@byu.net>
468 * doc/m4.texinfo (Input processing, Quoting Arguments): Beef up
470 Reported by Bruno Haible.
472 2007-02-01 Eric Blake <ebb9@byu.net>
474 * src/m4.c (fatal_warnings): New variable.
475 (usage): Document new -E behavior.
476 (main): Make -E an additive option.
477 (m4_error, m4_error_at_line): Change exit status when required.
478 * NEWS: Document this change.
479 * doc/m4.texinfo (Operation modes): Likewise.
480 Reported by Ralf Wildenhues.
482 2007-01-27 Eric Blake <ebb9@byu.net>
484 * src/m4.h (warn_syntax): Declare.
485 (init_pattern_buffer): Export.
486 * src/m4.c (warn_syntax, usage, WARN_SYNTAX_OPTIONS)
487 (long_options, main): Implement new option.
488 * src/builtin.c (init_pattern_buffer): Allow NULL regs argument.
489 (define_user_macro): Warn on $11 and ${1} if requested.
490 * src/input.c (init_pattern_buffer): Delete duplicate method.
491 * doc/m4.texinfo (Operation modes): Document it.
492 (Arguments): Document future direction of ${11} vs. $11.
493 (Incompatibilities): Fix wording on POSIX limitations.
494 * checks/get-them: Parse @{ and @} correctly.
495 * NEWS: Document this change.
497 2007-01-26 Eric Blake <ebb9@byu.net>
499 * src/builtin.c (includes): Adjust to gnulib changes.
501 2007-01-15 Eric Blake <ebb9@byu.net>
503 * doc/m4.texinfo: Pull in various improvements from head.
504 * src/builtin.c (include): Alter exit status on failure.
505 * NEWS: Document this fix.
507 2007-01-13 Eric Blake <ebb9@byu.net>
509 * configure.ac (AC_CHECK_MEMBERS): Check for stack_t.ss_sp, and
510 assume the fallback of ss_base for BSDI 4.0.1.
511 * src/stackovf.c (setup_stackovf_trap) [HAVE_SIGALTSTACK &&
512 ! HAVE_STACK_T_SS_SP]: Use this check.
513 Reported by Chris McGuire.
515 * NEWS: Document the improvement.
517 2007-01-09 Eric Blake <ebb9@byu.net>
519 * src/eval.c (ASSIGN): New enumerator.
520 (eval_lex): Recognize '='.
521 (equality_term): Treat '=' like '==', but warn that it is
523 * doc/m4.texinfo (Eval): Document and test this.
524 (Incompatibilities): Document the POSIX incompatibility.
525 * NEWS: Document this change.
527 2007-01-06 Eric Blake <ebb9@byu.net>
529 * m4/gnulib-cache.m4: Augment with 'gnulib-tool --import stdint'.
530 * checks/check-them: Record expected exit status.
531 * checks/get-them: Check exit status.
532 * src/m4.h (eval_t, unsigned_eval_t): Delete, use POSIX int32_t
534 * src/builtin.c: All users changed.
535 * src/eval.c: Likewise. Also document where we are triggering
536 undefined or implementation-defined behavior.
537 (BADOP, NEGATIVE_EXPONENT, INVALID_OPERATOR, eval_lex, evaluate)
538 (logical_or_term, logical_and_term, logical_not_term, not_term)
539 (equality_term, unary_term): Port from head to follow POSIX
541 (exp_term): Reject 0**0 as undefined.
542 * doc/m4.texinfo (History): Mention 1.4.9.
543 (Format, Incompatibilities): Update to document POSIX compliance.
544 * NEWS: Document this change.
546 2007-01-04 Eric Blake <ebb9@byu.net>
548 * NEWS: Document previous fix.
551 2007-01-04 Sami Liedes <sliedes@cc.hut.fi> (tiny change)
553 Fix Debian bug 405594, introduced 2006-11-01 from a bad
554 copy-n-paste from head.
555 * src/m4.c (main): Use correct file name after --.
557 2007-01-04 Eric Blake <ebb9@byu.net>
559 Fix regression from 1.4.7 in large file handling on some
560 platforms, introduced on 2006-10-13.
561 * configure.ac (AC_LARGE_SYSFILE): Guarantee that large files
563 * NEWS: Document this fix.
565 2007-01-03 Eric Blake <ebb9@byu.net>
567 * m4/gnulib-cache.m4: Augment with 'gnulib-tool --import
569 * src/m4.c (AUTHORS, main): Use FSF wording for --version (plus
570 it bumps the copyright year).
572 2006-12-27 Eric Blake <ebb9@byu.net>
574 * doc/m4.texinfo (Patsubst): Fix typo.
576 2006-12-16 Eric Blake <ebb9@byu.net>
578 * src/m4.c (main): Check for errors when closing stdin.
580 2006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
582 * doc/m4.texinfo: Fix some typos.
584 2006-12-09 Eric Blake <ebb9@byu.net>
586 * configure.ac (AC_INIT): Bump version number.
587 * NEWS: Start changes of 1.4.8a.
589 2006-11-20 Eric Blake <ebb9@byu.net>
592 * configure.ac (AC_INIT): Bump version number.
593 * NEWS: Describe changes since 1.4.7.
595 2006-11-16 Eric Blake <ebb9@byu.net>
597 * doc/m4.texinfo (Include, Search Path, Diversions, Divert):
598 Minor tweaks noticed while porting to head.
600 2006-11-14 Eric Blake <ebb9@byu.net>
602 * src/output.c (cleanup_tmpfile, freeze_diversions): Clean up
604 (m4_tmpname): Avoid memory leak.
606 2006-11-13 Eric Blake <ebb9@byu.net>
608 * src/output.c (cleanup_tmpfile): Avoid double error message when
609 umask is prohibitive.
610 (m4_tmpname, m4_tmpopen, m4_tmpclose, m4_tmpremove): New
612 (m4_tmpfile): Add parameter, move cloexec action here.
613 (make_room_for): Adjust caller. Don't keep too many files open.
614 (insert_diversion_helper): Unlink emptied temp files.
615 (make_diversion): Don't keep too many files open.
616 * doc/m4.texinfo (Diversions): Tweak wording, now that open file
617 descriptors are no longer a limiting factor.
618 * NEWS: Document this change.
620 Backport sparse diversion handling from head.
621 * m4/gnulib-cache.m4: Augment with 'gnulib-tool --import
623 * src/output.c (struct m4_diversion): Rename from struct
624 diversion, and update members. All users changed.
625 (diversion_table): Change to an ordered set, instead of an array.
626 (div0): New storage for diversion 0.
627 (diversions): No longer needed.
628 (free_list): New list to allow recycling diversion storage.
629 (diversion_storage): New storage to reduce malloc overhead.
630 (cmp_diversion_CB, threshold_diversion_CB): New callbacks.
631 (output_init, output_exit, cleanup_tmpfile, make_room_for)
632 (make_diversion): Handle new diversion storage scheme.
633 (insert_diversion_helper): New function.
634 (insert_diversion, undivert_all, freeze_diversions): Use it.
635 * doc/m4.texinfo (Divert, Diversions): Move hidden test of memory
636 exhaustion to visible test of large diversion numbers.
637 * NEWS: Document this fix.
639 2006-11-11 Eric Blake <ebb9@byu.net>
641 * src/builtin.c (m4_translit): Slight optimization.
643 * src/m4.h (to_uchar): Depend on HAVE_INLINE.
645 * src/builtin.c: Remove unnecessary casts.
646 (expand_ranges): Make 8-bit clean.
647 * doc/m4.texinfo (Translit): Add tests and wording.
648 * NEWS: Document this fix.
650 2006-11-07 Eric Blake <ebb9@byu.net>
652 * src/m4.h (output_exit): New prototype.
653 * src/m4.c (main): Use it.
654 * src/output.c (cleanup_tmpfile): Close files before removing
656 (insert_diversion): Check for failure.
657 (output_exit): Avoid memory leak.
658 * doc/m4.texinfo (Diversions): Test this bug.
660 * doc/m4.texinfo (Esyscmd, Errprint): Minor touchups.
662 2006-11-01 Eric Blake <ebb9@byu.net>
664 Allow C++ compilation on Linux, as a safety measure in type
666 * m4/gnulib-cache.m4: Augment with 'gnulib-tool --import
668 * src/m4.h (hack_symbol, hack_all_symbols): Use full prototype.
669 (boolean): Kill this, and use stdbool.h instead.
670 * src/debug.c, src/eval.c, src/input.c, src/macro.c, src/m4.c:
671 * src/output.c, src/symtab.c: All users changed.
672 * src/symtab.c (hack_all_symbols): Update prototype.
673 * src/builtin.c (dump_symbol, set_trace): Update signature.
674 (m4_dumpdef, m4_traceon, m4_traceoff): Update callers.
675 (mkstemp_helper, m4_m4wrap, expand_ranges, m4_translit): Allow
677 * src/debug.c (trace_flush): Likewise.
678 * src/freeze.c (reload_frozen_state): Likewise.
679 * src/input.c (push_file, push_string_finish, push_wrapup):
680 (token_bottom, next_token): Likewise.
681 * src/m4.c (main): Likewise.
683 * doc/m4.texinfo (Invoking m4): Update according to POSIX 200x
685 * src/m4.h (m4_path_search): Tweak signature.
686 * src/path.c (m4_path_search): Likewise.
687 * src/builtin.c (include): Update caller.
688 * src/m4.c (main): Allow -D, -U, -t, and -s to be interspersed
689 with file names. Don't write to **argv.
690 (process_file): New helper method.
691 * NEWS: Document this fix.
693 2006-10-31 Eric Blake <ebb9@byu.net>
695 * m4/gnulib-cache.m4: Augment with 'gnulib-tool --import strstr'.
696 * doc/m4.texinfo (Translit): Improve the documentation.
697 * src/builtin.c (m4_translit): Optimize to O(n) instead of O(n^2)
699 (m4_index): Simplify, and speed up slightly.
700 * NEWS: Document this fix.
702 2006-10-28 Eric Blake <ebb9@byu.net>
704 * src/input.c (set_quotes): Don't allow empty end-quote with
705 non-empty start-quote.
706 (set_comment): Likewise for end-comment.
707 * src/builtin.c (m4_changecom): Adjust caller.
708 * doc/m4.texinfo (Changequote, Changecom): Update documentation to
710 (Incompatibilities): Document another POSIX bug.
711 * NEWS: Mention this change.
713 2006-10-27 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
715 * examples/Makefile.am (EXTRA_DIST): Distribute recently-added
718 2006-10-26 Eric Blake <ebb9@byu.net>
720 Silence -Wwrite-strings -Wpointer-arith warnings.
721 * src/builtin.c (define_user_macro): Allow NULL argument.
722 (m4_builtin, m4_indir): Cast away const of "".
723 * src/format.c (format): Likewise.
724 * src/macro.c (collect_arguments): Likewise.
725 (expand_macro): Avoid math on void*.
726 * src/m4.c (main): Adjust caller.
727 * src/output.c (freeze_diversions): Detect off_t overflow.
729 * src/input.c (pop_input): Remove unnecessary code.
731 2006-10-25 Eric Blake <ebb9@byu.net>
733 * src/symtab.c (symtab_init): Avoid size_t overflow.
734 * src/output.c (make_diversion): Avoid size_t overflow.
735 * doc/m4.texinfo (Diversions): Test this fix.
736 * src/input.c (input_block): Remove unused member. Reduce size
738 (push_file, pop_input): Avoid useless assignment.
739 * NEWS: Document the bug fix.
741 Redo location tracking. Instead of having just files track the
742 line to return to when popping input, now all input blocks track
744 * src/input.c (INPUT_STRING_WRAP, INPUT_FILE_INIT): No longer
746 (input_block): Have line and file storage for all input types, and
748 (input_change): New global flag.
749 (push_file, push_macro, push_string_init, push_wrapup): Store
751 (push_string_finish, pop_input, pop_wrapup): Notice changes in
753 (peek_input): Adjust to new member names.
754 (next_char, next_char1): Adjust location if needed.
755 (skip_line): Simplify restoring location.
756 * doc/m4.texinfo (Location): Augment the test to catch line
757 location of expansion of multi-line arguments.
758 Reported by Stepan Kasal.
760 2006-10-23 Eric Blake <ebb9@byu.net>
762 * doc/m4.texinfo (Macro Arguments): Document that leading space
763 in argument collection stops at macro expansion.
764 (Incompatibilities): Document POSIX whitespace wording issue.
766 2006-10-20 Eric Blake <ebb9@byu.net>
768 * doc/m4.texinfo: Trailing '@comment' doesn't format nicely in
769 TeX, so recognize '@w{ }' instead. Likewise, @code{_name} at the
770 end of a TeX line splits incorrectly.
771 (Foreach, Improved foreach): Write these sections, borrowing ideas
772 from CVS head and from m4sugar.
773 * checks/get-them: Accomodate new way to show trailing space in
775 * examples/foreach.m4: Make usable in documentation.
776 * examples/foreachq.m4: New file.
777 * examples/foreachq2.m4: New file.
778 * examples/foreach2.m4: New file.
779 * NEWS: Document the documentation updates.
781 2006-10-19 Eric Blake <ebb9@byu.net>
783 * src/builtin.c (mkstemp_helper, m4_mkstemp): New functions.
784 (m4_maketemp): Provide traditional behavior.
785 * doc/m4.texinfo (Mkstemp): Rename from Maketemp. Document the
786 new `mkstemp' macro and the flaws of the old `maketemp'.
787 (Incompatibilities): Move maketemp discussion to...
788 (Extensions): ...here, since -G now supresses the GNU extension.
789 * NEWS: Document this.
791 * examples/forloop.m4: Simplify.
792 * examples/forloop2.m4: New file.
793 * examples/quote.m4: New file.
794 * doc/m4.texinfo (Loops): Rename to...
795 (Shift): ...this node.
796 (Forloop, Foreach, Improved forloop, Improved foreach): New
799 2006-10-17 Eric Blake <ebb9@byu.net>
801 * m4/gnulib-cache.m4: Update with 'gnulib-tool --import
803 * configure.ac (AC_CONFIG_HEADERS): Create config.h alongside
804 gnulib headers, rather than in top directory.
805 * src/Makefile.am (AUTOMAKE_OPTIONS): Add nostdinc, to reduce make
808 2006-10-16 Eric Blake <ebb9@byu.net>
810 * doc/m4.texinfo: Backport some minor cleanups from head.
811 (Cleardivert): Rename from cleardiv.
813 * doc/m4.texinfo (Invoking m4): Promote to a chapter, instead of
814 a section of Preliminaries.
815 (Operation modes, Preprocessor features, Limits control)
816 (Frozen state, Debugging options, Command line files): Subdivide
818 (Input processing, Quoting Arguments, Define, Arguments)
819 (Cleardiv, Format, M4exit): Fix grammar of references.
820 (Inhibiting Invocation, Macro Arguments, Builtin, Trace)
821 (Debug Levels, Debug Output, Include, Search Path, Divert)
822 (Platform macros, Syscmd, Location, Extensions): Point to new
824 (Top, Loops, Include, Undivert, Location, Incompatibilities):
825 Improve file references.
827 2006-10-14 Eric Blake <ebb9@byu.net>
829 * m4/input.c (file_clean): Don't close stdin twice, POSIX says it
831 Reported by Ralf Wildenhues.
833 * src/builtin.c (m4_undivert): Check for read error.
835 2006-10-13 Eric Blake <ebb9@byu.net>
837 * src/m4.h (UNIX, W32_NATIVE, OS2): Move platform checks after
838 header files are included, since <unistd.h> can affect the tests.
840 Reported by Martin Koeppe.
842 Backport head's usage of clean-temp module, as it is cleaner than
844 * m4/gnulib-cache.m4: Augment with 'gnulib-tool --import
845 clean-temp closeout', and remove tmpfile-safer.
846 * src/m4.h (includes): Adjust.
847 (m4_path_search): Rename from path_search, to avoid collision
849 * src/m4.c (main): Install closeout handler. Adjust caller.
850 (usage): Now done by closeout module.
851 * src/builtin.c (m4_m4exit): Likewise.
852 (m4_undivert, include): Adjust callers.
853 * src/freeze.c (reload_frozen_state): Likewise.
854 * src/path.c (m4_path_search): Rename from path_search.
855 * src/output.c (output_temp_dir): New variable.
856 (cleanup_tmpfile, m4_tmpfile): New functions, from head.
857 (insert_diversion, make_room_for): Use them.
858 * doc/m4.texinfo (Diversions): Document this, and add a test.
859 (Improved fatal_error): Fix typo.
860 (Maketemp): Port test to mingw, and no longer hide from
862 * NEWS: Document the change in TMPDIR behavior.
864 * configure.ac (m4_pattern_forbid): Narrow the range of forbidden
865 macros, to work with recent gnulib-tool update.
867 * src/builtin.c (m4_builtin, m4_indir): Allow transparent
868 handling of defn results.
869 * doc/m4.texinfo (Builtin, Indir): Add test cases.
870 * NEWS: Document this.
872 2006-10-12 Eric Blake <ebb9@byu.net>
874 * doc/m4.texinfo (Location): Fix typo in previous commit.
875 (Changeword): Catch one more case.
876 * src/input.c (skip_line): Fix case when outer file used macro to
879 2006-10-11 Eric Blake <ebb9@byu.net>
881 * src/input.c (enum input_type): Add additional types, to shave
882 time off the common case.
883 (push_wrapup): Wrapped strings remember location.
884 (push_string_finish): Normal strings carry no location.
885 (push_file): Start new files uninitialized.
886 (peek_input, next_char_1): Optimize common cases by updating
887 location only on new input types.
888 (pop_input): Update to honor new input types.
889 (skip_line, push_string_finish): Fix regression in previous patch
890 when dnl is not followed by newline in included file.
891 (push_string_init): Initialize all fields of INPUT_STRING sooner.
892 (peek_token): Simplify.
893 (peek_input): Don't pop input files on peek, so that __file__ and
894 __line__ as last token of include file work correctly.
895 * doc/m4.texinfo (History): Mention 1.4.8.
896 (Answers): Split into sections, one per answer.
897 (Improved exch, Improved cleardivert, Improved fatal_error): New
899 (Dnl, M4wrap, Location, M4exit, Improved fatal_error): Update to
900 new m4wrap location semantics.
901 (Changeword): Add test that caught the regression.
902 * NEWS: Document this.
904 * src/macro.c (expand_macro): In macro expansion errors, report
905 line number at open parenthesis.
906 * src/input.c (next_token): Fix off-by-one bug in reporting end
907 of file in unterminated comment and string.
908 (file_names): New obstack, necessary since expand_macro now hangs
909 on to file names longer than the files remain open.
910 (input_init): Initialize new obstack.
911 (push_file): Use new obstack. Delay updates to current_file
912 until after expand_macro has restored state.
913 (peek_input, next_char_1): Update current_file if necessary.
914 (pop_wrapup): Release memory.
915 * doc/m4.texinfo (Macro Arguments, Changequote, Changecom): Catch
917 (Dnl): Update to the new location reporting rules.
918 * NEWS: Document these changes.
920 2006-10-10 Eric Blake <ebb9@byu.net>
922 * src/macro.c (argc_stack, argv_stack): New variables for sharing
923 obstacks across multiple macro calls.
924 (expand_input): Initialize and tear down stack once per input
925 file, instead of once per macro.
926 (expand_macro): Reuse existing stacks when possible.
927 (collect_arguments): Simplify slightly.
929 * src/path.c (include_env_init): Fix botched patch application.
930 Reported by Ralf Wildenhues.
932 2006-10-09 Eric Blake <ebb9@byu.net>
934 * src/m4.c (usage, main): Detect write failures to stderr.
935 * src/builtin.c (m4_m4exit): Likewise.
936 * NEWS: Document this.
938 * src/macro.c (expand_macro): Allow --nesting-limit=0 to remove
940 * NEWS: Document this.
941 * doc/m4.texinfo (Invoking m4): Likewise.
943 2006-10-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
945 * src/path.c (include_env_init): Copy the string returned
946 by getenv before overwriting it; POSIX disallows this.
948 2006-10-09 Eric Blake <ebb9@byu.net>
950 * src/m4.c (main): Defer debugfile until after --help.
951 * configure.ac (AC_INIT): Bump version number.
952 * NEWS: Start changes of 1.4.7a.
954 2006-09-25 Eric Blake <ebb9@byu.net>
957 * configure.ac (AC_INIT): Bump version number.
958 * NEWS: Describe changes since 1.4.6.
960 2006-09-21 Eric Blake <ebb9@byu.net>
962 * doc/m4.texinfo (Invoking m4): Add clarification on option
965 Reported by Mikhail Teterin.
967 * bootstrap: Add --force option, based on idea from coreutils.
968 * README: Document that ./bootstrap and autoreconf are for
969 developers, and not lightly done in tarballs.
971 2006-09-20 Eric Blake <ebb9@byu.net>
973 * src/m4.c (usage, OPTSTRING, main): Rename -e to -i, and give
974 deprecation warning on -e.
975 * doc/m4.texinfo (Invoking m4, Extensions): Document this.
976 * NEWS: Document this.
978 2006-09-19 Eric Blake <ebb9@byu.net>
980 * src/m4.c (usage, long_options, main, DEBUGFILE_OPTION): Rename
981 -o/--error-output to --debugfile, and deprecate the former. This
982 will allow a future release to be more consistent with other GNU
983 tools, with -o/--output affecting stdout, not debug.
984 * doc/m4.texinfo (Invoking m4, Debug Output): Document this.
985 * NEWS: Document this.
987 2006-09-14 Eric Blake <ebb9@byu.net>
989 * src/m4.c (main): Warn on deprecated options -B, -S, -T, -N,
990 --diversions. `m4 --help --version' now displays help, not
992 (interactive, frozen_file_to_read, frozen_file_to_write): Move to
994 (show_help, show_version): No longer needed.
995 (long_options, DIVERSIONS_OPTION): Backport patch from head to
996 distinguish between -N and --diversions in warning.
997 * doc/m4.texinfo (Invoking m4): Document this.
1000 2006-09-11 Eric Blake <ebb9@byu.net>
1002 * src/Makefile.am (m4_LDADD): Add any gnulib dependent libraries.
1003 * src/debug.c (debug_flush_files) [UNIX]: Flush stdin if it is
1005 (debug_set_file): Use STDOUT_FILENO.
1006 * src/builtin.c (m4_m4exit): Flush stdin before exiting, to comply
1007 with POSIX in regards to unread input.
1008 * NEWS: Document this fix.
1009 * doc/m4.texinfo (Syscmd, Esyscmd, M4exit): Likewise.
1011 2006-09-07 Eric Blake <ebb9@byu.net>
1013 * m4/gnulib-cache.m4: Update to newer gnulib-tool.
1014 * src/m4.h (push_file): Change prototype.
1015 * src/input.c (push_file, peek_input, next_char_1): Only call getc
1016 once at EOF, to avoid double ^D on terminal stdin; regression from
1018 (push_file, pop_file): Allow reading stdin twice.
1019 * src/m4.c (main): Likewise.
1020 * src/builtin.c (include): Update caller.
1021 * NEWS: Document this change.
1022 * doc/m4.texinfo (Invoking m4, Incompatibilities): Likewise.
1023 (Syscmd): Add a test that failed before this patch.
1025 2006-09-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1027 * checks/check-them: Quote $pwd.
1029 2006-09-05 Eric Blake <ebb9@byu.net>
1031 * src/builtin.c (define_macro): Warn on invalid macro name.
1032 * NEWS: Document this change.
1033 * doc/m4.texinfo: Fix typos.
1034 (Invoking m4, Macro Arguments, Pseudo Arguments, Defn, Indir)
1035 (Ifelse): Backport some improvements from head.
1037 2006-09-04 Eric Blake <ebb9@byu.net>
1039 * doc/m4.texinfo (Changeword): Skip test on mingw, where the
1040 native echo is braindead.
1041 * checks/check-them (strip_needed): Ignore \r in output. Now the
1042 testsuite will pass when cross-compiling from cygwin to mingw.
1044 * src/input.c (peek_input): Fix regression in handling macro
1045 without arguments as last token in file; debian bug 385720.
1046 (next_token): Always consume an input character.
1047 Reported by Andreas Schultz.
1048 * configure.ac (AC_INIT): Bump version number.
1049 * NEWS: Document this fix.
1050 * doc/m4.texinfo (History): Mention next version.
1051 (Changeword): Add example that exposes this bug.
1054 2006-08-25 Eric Blake <ebb9@byu.net>
1057 * configure.ac (AC_INIT): Bump version number.
1058 * NEWS: Describe changes since 1.4.5.
1060 * Makefile.maint (web-manual): Give up on VPATH build during
1061 distribution. But distributions are made so infrequently that
1062 this is not too much of a hardship.
1063 * Makefile.am (MAINTAINERCLEANFILES): Avoid error if lib/CVS/
1066 2006-08-24 Eric Blake <ebb9@byu.net>
1068 * src/builtin.c (m4_index, m4_substr, m4_translit): Similar to
1069 Solaris, produce output on just one argument.
1070 (m4_regexp, m4_patsubst): For consistency, do likewise.
1071 (m4_patsubst): Allow zero-length match at end of string.
1072 * doc/m4.texinfo (Sysval): Fix overfull hbox.
1073 (Bugs, Macro Arguments): Minor fixes.
1074 (Other tokens): Rearrange node order.
1075 (Index macro, Substr, Translit, Regexp, Patsubst): Add tests.
1076 * NEWS: Document these fixes.
1078 2006-08-22 Eric Blake <ebb9@byu.net>
1080 * src/input.c (pop_input): Avoid empty filename with -di option.
1081 * src/debug.c (debug_message_prefix): Put space before message.
1083 * m4/gnulib-cache.m4: We don't explicitly use alloca module.
1085 * m4/gnulib-cache.m4: Augment with gnulib-tool --import gnupload.
1086 * Makefile.maint (fetch): Simplify, now that we can use gnupload.
1088 * checks/check-them: State why a test is skipped.
1089 * doc/m4.texinfo (Changeword, Sysval, Maketemp): Likewise.
1091 * ChangeLog: Add copyright.
1092 * AUTHORS: Likewise.
1093 * BACKLOG: Likewise.
1097 * examples/COPYING: New file, add copyright for all the examples.
1098 * checks/get-them: Put copyright on testsuite files.
1100 2006-08-18 Eric Blake <ebb9@byu.net>
1102 Don't let unrelated child processes see too many files.
1103 * m4/gnulib-cache.m4: Augment with gnulib-tool --import cloexec.
1104 * src/builtin.c (m4_esyscmd, m4_regexp, m4_patsubst): Fix
1105 spelling in error message.
1106 * src/debug.c [!__STDC__]: Assume C89, and nuke old varargs.h.
1107 (debug_set_output): Close debug file on exec.
1108 * src/m4.h (includes): Add cloexec.h.
1109 * src/output.c (make_room_for): Close diversions on exec.
1110 * src/path.c (path_search): Close include files on exec.
1111 * NEWS: Document this.
1113 Regular expressions were leaking memory.
1114 * src/builtin.c (init_pattern_buffer, free_pattern_buffer): New
1116 (m4_regexp, m4_patsubst): Avoid memory leak.
1117 * src/input.c (init_pattern_buffer) [ENABLE_CHANGEWORD]: Make
1119 (set_word_regexp) [ENABLE_CHANGEWORD]: Avoid memory leak. Change
1120 from O(n^2) to O(n) for calculating word_start.
1121 (next_token, peek_token) [ENABLE_CHANGEWORD]: Treat word_start as
1122 O(1) bitmap, not O(n) search string.
1123 * NEWS: Document this fix.
1125 2006-08-17 Eric Blake <ebb9@byu.net>
1127 * NEWS: Document previous checkin.
1129 * src/builtin.c (substitute): Avoid core dump when accessing
1130 beyond bound of regular expression.
1131 Reported by Karl Nelson.
1132 * doc/m4.texinfo (Regexp): Add example that causes core dump on
1133 some architectures prior to this patch.
1136 2006-08-16 Eric Blake <ebb9@byu.net>
1138 * doc/m4.texinfo (Invoking m4, Debug Output): Fix wording to be
1139 clear that dumpdef does not always go to stderr.
1141 * src/builtin.c (m4_errprint): Flush buffers before printing to
1145 2006-08-15 Eric Blake <ebb9@byu.net>
1147 * src/builtin.c (m4_m4wrap, m4_errprint, m4_shift): Make blind,
1148 per debian bug 96075.
1149 * doc/m4.texinfo (Loops, M4wrap, Errprint): Document this change.
1150 (Changeword): Don't use shift as an example of a swallowed word.
1151 (Divert): Discuss fact that divert is an English word.
1152 Reported by Richard A Nelson.
1154 2006-08-14 Eric Blake <ebb9@byu.net>
1156 * doc/m4.texinfo (Invoking m4): Minor fixes.
1158 2006-08-12 Eric Blake <ebb9@byu.net>
1160 * doc/m4.texinfo (Arguments): Hint at better exch macro.
1161 (Answers): Provide a better definition.
1163 2006-08-09 Eric Blake <ebb9@byu.net>
1165 * doc/m4.texinfo (Incompatibilities): Document that m4 does not
1166 yet understand locales.
1167 * NEWS: Fix wording of a few items.
1169 2006-08-08 Eric Blake <ebb9@byu.net>
1171 Avoid printing `NONE:0:' in error messages.
1172 * src/m4.h (m4_error_at_line): New function.
1173 * src/m4.c (m4_error_at_line): Implement.
1174 * src/input.c (skip_line, input_init, next_token): Use "", not
1175 "NONE", for no file, since NONE can be a real file name.
1176 * src/macro.c (expand_argument): Likewise.
1177 * src/debug.c (debug_message_prefix, trace_header): Check for
1179 * doc/m4.texinfo (Dnl, M4wrap): Adjust accordingly.
1180 (Location): Document that synclines and internal message format
1181 are not impacted by redefining these macros.
1182 (M4exit): Hint at bug in fatal_error.
1183 (Answers): Provide workaround to match m4 output.
1185 * m4/gnulib-cache.m4: Augment with gnulib-tool --import verror.
1186 * src/m4.h (m4_error): New function.
1187 (M4ERROR, M4ERROR_AT_LINE): Reimplement without hacking around
1188 error module deficiencies.
1189 (reference_error, suppress_line): No longer needed.
1190 * src/m4.c (m4_error): Implement.
1191 (main): No longer need to install error callback.
1193 2006-08-04 Eric Blake <ebb9@byu.net>
1195 * src/m4.h (program_name): Declare.
1196 (suppress_line): New variable.
1197 (M4ERROR_AT_LINE): New macro.
1198 * src/m4.c (reference_error, main): Follow GNU Coding Standards
1199 for error message format.
1200 * src/input.c (skip_line, next_token): Use M4ERROR_AT_LINE.
1201 * src/macro.c (expand_argument): Likewise.
1202 * checks/check-them (examples): Adjust to new message format.
1203 * src/builtin.c (m4___program__): New builtin.
1204 * doc/m4.texinfo (Location): Split from Errprint into new node,
1205 and document __program__.
1206 (Builtin, Ifdef, Ifelse, Dumpdef, Trace, Debug Output, Dnl)
1207 (Include, Regexp, Patsubst, Incr, Eval): Adjust error message
1209 (Extensions): Document __program__.
1210 * NEWS: Document this change.
1212 2006-08-03 Eric Blake <ebb9@byu.net>
1214 Don't confuse leading `(' in comment or quote with start of
1215 argument collection.
1216 * src/m4.h (enum token_type): Add TOKEN_OPEN, TOKEN_COMMA,
1218 (peek_input): Make private to input.c.
1219 (peek_token): New prototype.
1220 * src/input.c (default_word_regexp): Reduce ifdefs.
1221 (peek_input): Make static.
1222 (next_token): Return new token types.
1223 (match_input, MATCH): Add argument consume, which controls
1224 whether match should be pushed back.
1225 (peek_token): New function.
1226 (token_type_string) [DEBUG_INPUT]: New function.
1227 * src/macro.c (expand_token, expand_argument, collect_arguments):
1228 Handle new token types.
1229 * doc/m4.texinfo (Changequote, Changecom): Document this.
1230 * NEWS: Document this.
1232 * src/stackovf.c (setup_stackovf_trap): Free memory on failure.
1234 * src/stackovf.c (setup_stackovf_trap): Gracefully avoid stack
1235 overflow detection when sigstack exists but is not implemented.
1236 Fixes debian bug 154053.
1238 Reported by David Perlin.
1240 2006-08-02 Eric Blake <ebb9@byu.net>
1242 * src/input.c (MATCH): Fix EOF detection on multi-byte comment
1245 2006-08-01 Eric Blake <ebb9@byu.net>
1247 * src/input.c (skip_line, next_token): Remember current file in
1248 case input file ends abruptly. Addresses debian bug 175365.
1249 (pop_input): Defer freeing storage that holds previous file
1251 (pop_wrapup): to here, after error message is issued.
1252 * src/macro.c (expand_argument): Remember current file in case
1253 input file ends abruptly.
1254 * doc/m4.texinfo (Macro Arguments, Dnl, Changequote, Changecom)
1255 (M4wrap): Adjust testsuite accordingly.
1256 (Errprint): Document line number limitation of m4wrap.
1257 * NEWS: Document this fix.
1260 2006-07-31 Eric Blake <ebb9@byu.net>
1262 * src/input.c (peek_input, next_char, match_input): Be eight-bit
1263 clean; fixes debian bug 311378.
1264 * doc/m4.texinfo (Syntax): Describe eight-bit handling.
1265 (Changequote, Changecom): Add examples to test this.
1266 * NEWS: Document this fix.
1268 Reported by Steven Augart.
1270 * doc/m4.texinfo: Whitespace fix.
1271 * checks/get-them: Avoid exceeding 14-char file name limit.
1274 2006-07-30 Eric Blake <ebb9@byu.net>
1276 * src/path.c (path_search): Detect allocation failure.
1278 Use native free when it is good enough.
1279 * m4/gnulib-cache.m4: Augment with gnulib-tool --import free.
1280 * src/builtin.c (define_user_macro, m4_regexp, m4_patsubst):
1282 * src/symtab.c (free_symbol): Likewise.
1283 * src/m4.c (xfree, main): Likewise.
1284 * src/m4.h (obstack_chunk_free): Likewise.
1285 * src/path.c (path_search): Likewise.
1286 * src/input.c (pop_wrapup, set_quotes, set_comment): Likewise.
1288 * doc/m4.texinfo (Errprint): Add example for last patch.
1289 * checks/check-them: Account for VPATH in latest example.
1291 2006-07-29 Eric Blake <ebb9@byu.net>
1293 * src/path.c (path_search): Add result parameter, so that
1294 -I can be accounted for. Debian bug 53685.
1295 * src/m4.h (path_search): Update prototype.
1296 * src/m4.c (main): Adjust callers.
1297 * src/freeze.c (reload_frozen_state): Likewise.
1298 * src/builtin.c (include, m4_undivert): Likewise.
1299 * NEWS: Document this change.
1300 Reported by Nicolas Lichtmaier.
1302 2006-07-28 Eric Blake <ebb9@byu.net>
1304 * Makefile.am (MAINTAINERCLEANFILES): Fix typo that tripped up
1305 several non-GNU makes.
1306 * src/stackovf.c (setup_stackovf_trap): Missed _ from yesterday.
1307 * src/m4.h: Likewise.
1308 * src/input.c (push_wrapup): Avoid compiler warning with Solaris
1311 2006-07-27 Eric Blake <ebb9@byu.net>
1313 * doc/m4.texinfo: Use @acronym{GNU} throughout.
1314 (History): Update for 1.4.6.
1316 * src/m4.h (_): Remove K&R cruft.
1317 * src/builtin.c: Likewise.
1318 * src/debug.c: Likewise.
1319 * src/eval.c: Likewise.
1320 * src/macro.c: Likewise.
1321 * src/stackovf.c: Likewise.
1323 * doc/Makefile.am (m4.1): Improve man page.
1324 * src/m4.c (usage): Improve --help output, including adding the
1325 bug reporting address.
1326 (main): Follow GNU Coding Standards for --version output.
1328 2006-07-26 Eric Blake <ebb9@byu.net>
1330 * doc/m4.texinfo: Use begin-quote, end-quote, begin-comment, and
1331 end-comment consistently, to match POSIX.
1333 * doc/m4.texinfo (Macro Arguments, Changequote, Changecom)
1334 (Dnl, M4wrap, Include): Document EOF issues, and add examples.
1335 (Incompatibilities): Document incompatibility of changecom
1336 vs. macro names, and of EOF in include.
1337 * src/input.c (next_token): Reject unterminated comments at EOF.
1338 (skip_line): Warn on unterminated dnl at EOF.
1339 * NEWS: Document these changes.
1341 2006-07-25 Eric Blake <ebb9@byu.net>
1343 * m4/gnulib-cache.m4: Update to reflect gnulib's split of
1344 stdio-safer into fopen-safer and tmpfile-safer.
1345 * src/m4.c: Remove redundant include.
1347 2006-07-24 Eric Blake <ebb9@byu.net>
1349 Fix bugs related to stream handling.
1350 * m4/gnulib-cache.m4: Augment with gnulib-tool --import
1351 unlocked-io stdio-safer stdlib-safer close-stream.
1352 * configure.ac (AC_CHECK_FUNCS_ONCE): Assume tmpfile; it can be
1353 provided by gnulib if needed.
1354 * src/output.c [! HAVE_TMPFILE]: Likewise.
1355 * src/m4.h (includes): Replace unistd, stdio, and stdlib with
1356 their safer counterparts.
1357 (retcode): New global variable.
1358 * src/input.c (pop_input): Check for read failure.
1359 * src/freeze.c (reload_frozen_state): Likewise.
1360 (produce_frozen_state): Check for write failure.
1361 * src/debug.c (debug_set_file): Likewise.
1362 * src/m4.c (usage, main): Likewise.
1363 (retcode): Make global.
1364 * src/builtin.c (m4_m4exit): Likewise. Ensure that the exit
1365 status is non-zero except when everything succeeds.
1366 * doc/m4.texinfo (M4exit): Document these changes.
1367 (Incompatibilities): Remove documentation of bug now fixed.
1368 * NEWS: Document these fixes.
1370 2006-07-22 Eric Blake <ebb9@byu.net>
1372 * src/format.c (format): Avoid compiler warning that str may be
1375 2006-07-21 Eric Blake <ebb9@byu.net>
1377 * src/m4.h [UNIX]: Add more platforms that are close enough to
1378 categorize as UNIX, but which don't predefine __unix__.
1379 Reported by Nelson H. F. Beebe.
1381 2006-07-20 Eric Blake <ebb9@byu.net>
1383 * m4/gnulib-cache.m4: gnulib-tool has changed again. Regenerate
1384 to explicitly ask for --assume-autoconf=2.60.
1386 2006-07-19 Eric Blake <ebb9@byu.net>
1388 * doc/m4.texinfo (Sysval): Avoid kill -1, since ksh traps SIGHUP
1389 and exits normally with 129.
1390 Reported by Nelson H. F. Beebe.
1393 * src/m4.h (EXIT_MISMATCH): Define.
1394 * src/freeze.c (reload_frozen_state): Detect version mismatch, by
1395 exiting with status 63.
1396 * src/m4.c (usage): Document this.
1397 * doc/m4.texinfo (Invoking m4, Using frozen files): Likewise.
1400 * doc/m4.texinfo (copying): Relax restriction on front-cover and
1403 2006-07-17 Eric Blake <ebb9@byu.net>
1405 * src/format.c (format): Support F, g, and G specifiers.
1406 * doc/m4.texinfo (Format): Document this.
1407 * NEWS: Document this addition.
1409 * doc/m4.texinfo (Builtin): Delete redundant text.
1411 * configure.ac (AC_INIT): Bump version number.
1412 * src/builtin.c (substitute): Bah. Fix buffer overrun.
1413 * NEWS: Document this fix.
1415 2006-07-15 Eric Blake <ebb9@byu.net>
1418 * configure.ac (AC_INIT): Bump version number.
1419 * NEWS: Describe changes since 1.4.4.
1421 * src/m4.c (usage): Document exit status.
1422 * doc/m4.texinfo: Use `exit status', not `exit code'.
1423 (Invoking m4): Document exit status.
1425 * bootstrap: Backport --help, --version from head.
1426 (func_update): New function, for easily grabbing up-to-date files
1428 * Makefile.maint (web-manual): Fix for VPATH builds.
1430 2006-07-14 Eric Blake <ebb9@byu.net>
1432 * doc/m4.texinfo: Global cleanup. Avoid @code{...}'d, as it
1433 looks bad in info. Use @deffn rather than @example for
1434 describing prototypes. Fix awkward wording and grammar.
1436 * src/builtin.c (substitute): Warn on bad escape sequences.
1437 Ignore trailing backslash.
1438 * doc/m4.texinfo (Regexp): Add documentation for this.
1439 * NEWS: Document this change.
1441 * src/builtin.c (m4_format, m4_indir): Warn on too few arguments.
1442 * doc/m4.texinfo (Defn, Builtin, Debug Levels, Debug Output): Add
1444 (Dnl): Update example to show side effects.
1445 * checks/get-them: Generate three digit test names.
1446 * checks/Makefile.in (CHECKS): Accomodate 100+ tests.
1448 2006-07-13 Eric Blake <ebb9@byu.net>
1450 * src/input.c (input_init): Simplify.
1451 (set_word_regexp): Treat empty string as default, since empty
1452 regexp would disable word parsing.
1453 * src/m4.c (user_word_regexp): Default to empty string.
1454 * src/builtin.c (builtin_tab): Make changeword blind.
1455 * doc/m4.texinfo (Changeword): Document this.
1456 * NEWS: Document this.
1457 * TODO: Knock off completed items.
1459 * src/builtin.c (m4_undefine, m4_popdef): Visit all arguments, not
1461 * doc/m4.texinfo (Undefine, Pushdef): Test this.
1462 * NEWS: Document this change.
1464 * src/builtin.c (numeric_arg): Treat empty string as 0, with a
1465 warning. Detect quoted leading space and overflow as warnings.
1466 (m4_eval): Treat empty radix as 10, and allow output in radix 1.
1467 Treat width as minimum number of digits, as required by POSIX.
1468 (m4_ifdef, m4_divert, m4_m4exit, m4_translit): Ignore extra
1470 (m4_substr): Likewise. Silently treat empty start as 0.
1471 (m4_undivert): Treat ` 1a' as file, not diversion 1.
1472 * src/eval.c (eval_lex): Parse radix 1 numbers.
1473 * doc/m4.texinfo (Invoking m4): Fix wording; there is more than
1474 one type of warning.
1475 (Manual): Document behavior of numeric parsing of empty string.
1476 (Divert, Incr): Document error handling.
1477 (Eval): Document radices better.
1478 (Incompatibilities): Document translit incompatibility.
1479 * NEWS: Document these changes.
1481 * Makefile.maint (fetch): Get gendocs from gnulib, not texinfo.
1482 (web-manual): Simplify.
1483 * m4/gnulib-cache.m4: Augment with gnulib-tool --import gendocs.
1484 * Makefile.am (EXTRA_DIST): Distribute gendocs.sh.
1485 (MAINTAINERCLEANFILES): Clean it as well.
1486 * doc/Makefile.am (EXTRA_DIST): Distribute gendocs_template.
1487 (MAINTAINERCLEANFILES): Clean it as well.
1489 2006-07-12 Eric Blake <ebb9@byu.net>
1491 * doc/m4.texinfo (Extensions): Document how to overcome
1492 implementation difference in > 9 positional parameters.
1494 * src/m4.c (usage): Sort within sections.
1495 (nesting_limit): Raise default from 250 to 1024.
1496 * doc/m4.texinfo: Use file name, not filename, per GNU coding
1497 standard. Use @option where appropriate.
1498 (Invoking m4): Sort to match --help output.
1499 (Debug Levels): Sort.
1500 (Frozen files): Sort and break into two nodes.
1502 * src/m4.c (nesting_limit): Raise default from 250 to 1024.
1503 * NEWS: Document raised -L limit.
1505 2006-07-11 Eric Blake <ebb9@byu.net>
1507 * Makefile.am (DISTCHECK_CONFIGURE_FLAGS): New macro, to
1508 stress-test changeword before a release.
1509 * doc/m4.texinfo: More doc cleanups.
1510 (Copying This Manual): New node; actually include the FDL in the
1512 * doc/Makefile.am (m4_TEXINFOS): Mention dependence on fdl.texi.
1513 * m4/gnulib-cache.m4: Augment with gnulib-tool --import fdl.
1514 * NEWS: Mention documentation improvements.
1516 * src/m4.h (OS2): New platform macro.
1517 * src/builtin.c (predefined_tab) [OS2]: Use it to give OS/2 a
1519 * doc/m4.texinfo (Platform macros): Document it.
1520 (Sysval): Remove non-portable test of system("").
1521 * NEWS: Document this change.
1522 Reported by Andreas Buening.
1524 2006-07-09 Eric Blake <ebb9@byu.net>
1526 * doc/m4.texinfo (Undivert): Fix typo in last commit.
1527 * src/m4.c (usage): Document M4PATH.
1528 * src/path.c (path_search): Reject empty string.
1529 * src/output.c (insert_diversion): Ignore diversion 0.
1530 * src/builtin.c (m4_undivert): Ignore empty string.
1531 * NEWS: Document this fix.
1533 2006-07-08 Eric Blake <ebb9@byu.net>
1535 * checks/get-them: Make filtering easier.
1536 * checks/check-them: Filter non-input lines, so line counts are
1537 more realistic in the documentation, and so changeword tests work
1538 even when dnl is disabled.
1539 * doc/m4.texinfo: Adjust example line numbers. Clean up
1540 front-matter, following autoconf's example.
1541 (Changeword): Enable tests, skipping if changeword not supported.
1542 (Define, Defn, Ifelse): Backport more examples from head.
1543 (Input processing, Answers): New nodes, backported from head.
1544 (Include): Expand test to cover empty filename.
1545 (Undivert): Add test of undivert(0).
1547 2006-07-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1549 * doc/m4.texinfo: Fix spelling errors.
1551 2006-07-07 Eric Blake <ebb9@byu.net>
1555 * doc/Makefile.am (m4.1): No need to go through a temporary file;
1556 this also ensures timestamps are updated.
1557 * src/m4.h (includes): Require config.h. Assume string.h,
1558 stdlib.h, errno. Include error.h, exit.h, and xalloc.h rather
1559 than prototyping ourselves.
1560 (builtin_func): Add parameter type-checking.
1561 (voidstar): Delete, now that we assume C89.
1562 * src/builtin.c, src/m4.c, src/macro.c, src/symtab.c: All users of
1564 * src/m4.c (xfree) [WITH_DMALLOC]: Avoid clash with dmalloc's
1567 2006-07-06 Eric Blake <ebb9@byu.net>
1569 * m4/gnulib-cache.m4: Augment with gnulib-tool --import
1571 * src/m4.h (includes): Add binary-io.h for O_BINARY.
1572 * src/freeze.c (produce_frozen_state): Use O_BINARY to remove
1573 #ifdef. Fixes patch from 2005-02-03 for cygwin.
1574 * NEWS: Mention this fix.
1576 * configure.ac (FUNC_SYSTEM_BROKEN): New check for OS/2 bug.
1577 * src/builtin.c (m4_syscmd): Work around OS/2 bug.
1579 * Makefile.am (SUBDIRS): Build . before src, so that autoheader
1580 runs first when needed.
1581 * doc/Makefile.am (m4.1): Backport rule from CVS head: build m4.1
1582 once in srcdir rather than multiple times in VPATH builds.
1584 2006-07-03 Eric Blake <ebb9@byu.net>
1586 * checks/check-them: Use portable = in test.
1587 * src/Makefile.am (AM_CPPFLAGS): Omit space between -I and
1588 directory, as required by Solaris cc. Include built headers, as
1589 required by Solaris make in VPATH build.
1590 * checks/Makefile.in: Use $(srcdir) where needed.
1591 (CHECKS): Factor $(srcdir) into macro.
1592 (DISTFILES): Likewise. Automake takes care of distributing
1595 (Makefile): Use modern syntax of config.status.
1596 * doc/m4.texinfo (Loops, Include, Undivert, Incompatibilities):
1597 Avoid overfull and underfull hboxes in dvi.
1599 Fix 'make check' in VPATH build. All files included by testsuite
1600 now live in a single directory. Use forloop.m4 in testsuite.
1601 * checks/incl.m4, checks/foo, checks/wrapfifo.m4: Move from
1603 * examples/incl.m4, examples/foo, examples/wrapfifo.m4: ...to
1605 * checks/Makefile.in (DISTFILES): Don't distribute moved files.
1606 * examples/Makefile.am (EXTRA_DIST): Distribute new files.
1607 * checks/check-them: Avoid s/// when filename is in pattern.
1608 * examples/forloop.m4: Fix to match documentation.
1609 * doc/m4.texinfo (Include, Undivert, Incompatibilities): Reflect
1611 (Loops, Format): Actually use forloop.m4 in tests.
1613 2006-07-02 Eric Blake <ebb9@byu.net>
1615 * checks/Makefile.in (exec_prefix, prefix): New macros, so that
1616 $(bindir) works in installcheck.
1617 (check, installcheck): No longer change directory, so that
1618 distcheck works with a read-only builddir.
1619 * checks/check-them: Work when pwd is no longer builddir.
1621 2006-07-01 Eric Blake <ebb9@byu.net>
1623 * GNUmakefile: New file, borrowed from coreutils.
1624 * Makefile.am (EXTRA_DIST): Distribute GNUmakefile.
1625 * Makefile.maint (Makefile): Delete this rule, now that
1626 GNUmakefile includes Makefile.
1628 2006-06-30 Eric Blake <ebb9@byu.net>
1630 For compatibility with other m4 implementations, sysval returns
1631 signal<<8 rather than 0 if syscmd is terminated by a signal.
1632 * configure.ac (AC_CHECK_HEADERS_ONCE): Check for sys/wait.h.
1633 * src/builtin.c (include): Include sys/wait.h when stdlib.h does
1634 not provide wait macros.
1635 (WTERMSIG, WIFSIGNALED, WIFEXITED): More fallback macros.
1636 (M4SYSVAL_EXITBITS, M4SYSVAL_TERMSIGBITS): New helper macros.
1637 (m4_esyscmd): Set sysval to -1 on failure.
1638 (m4_sysval): Print 127 on failure, and accomodate signals if they
1640 * NEWS: Document this change.
1641 * doc/m4.texinfo (Platform macros, Esyscmd, Sysval): Fix typos in
1643 * checks/check-them: Likewise.
1644 * src/debug.c (debug_set_file): Work around mingw fstat bug.
1646 * src/m4.h (UNIX, W32_NATIVE): Improve platform detection macros.
1647 * src/freeze.c (produce_frozen_state): Use new spelling of
1649 * src/builtin.c (predefined_tab): Add __windows__ on non-unix
1651 (m4_syscmd, m4_esyscmd): The empty command is successful.
1652 * doc/m4.texinfo (Shell commands): Rename from UNIX commands.
1653 Document platform-dependence of system().
1654 (Syscmd): Add example.
1655 (Esyscmd): Make example more robust, and actually demonstrate
1657 (Sysval): Expand test to cover esyscmd code path, and to check
1658 that empty command is successful. Add conditional check for
1660 (Other Incompatibilities): Move platform macros from here...
1661 (Platform macros): ...to this new node. Add windows macro.
1662 Check that exactly one platform macro is provided.
1663 * checks/check-them: Improve trap cleanup. Tolerate dirname and
1664 .exe in error messages. Allow for skipping checks.
1665 * configure.ac (HAVE_EFGCVT): Kill dead configure check.
1666 * NEWS: Document platform macros.
1668 2006-06-29 Eric Blake <ebb9@byu.net>
1670 Fix buffer overrun bug.
1671 * m4/gnulib-cache.m4: Augment with gnulib-tool --import
1673 * src/format.c [HAVE_EFGCVT]: Delete this code, and use *printf
1674 variant instead, since [efg]cvt are obsolete and our use of them
1675 was buggy (savannah sr #104303).
1676 (format): Fix buffer overflow by using xasprintf.
1677 * doc/m4.texinfo (Format): Expand format test to catch both bugs.
1678 * NEWS: Document this fix.
1680 * configure.ac (AC_CANONICAL_HOST, AC_CANONICAL_BUILD): Allow
1682 (AC_CACHE_CHECK): Cache search for ecvt.
1684 2006-06-27 Eric Blake <ebb9@byu.net>
1686 * doc/m4.texinfo (Eval): Document 32-bit signed limitations
1687 required by POSIX, and add example that exposed core dump on x86
1689 (Incompatibilities): Document incompatibility in eval precedence.
1690 * src/eval.c (shift_term): Explicitly mask, to avoid undefined
1692 (mult_term): Explicitly check for -1, to avoid SIGFPE on x86.
1693 * NEWS: Document this change.
1695 * doc/m4.texinfo: Use @noindent consistently.
1696 (Quoting Arguments): Document that unquoted parentheses group
1698 (Pseudo Arguments): Expand tests to show this.
1699 (Incompatibilities): Contrast traditional behavior of
1702 2006-06-24 Eric Blake <ebb9@byu.net>
1704 * configure.ac (AC_PREREQ): Autoconf 2.60 is now released.
1705 (AC_CHECK_HEADERS_ONCE): Use this new feature.
1706 (AC_CHECK_FUNCS_ONCE): Likewise.
1708 2006-06-23 Eric Blake <ebb9@byu.net>
1710 * doc/m4.texinfo: Quoting cleanup throughout - follow
1711 autoconf-recommended style of one level of quote per parenthesis
1712 in the normal case. Adjust error messages to match GNU coding
1713 standards (and to allow 'make check' to pass again).
1714 (Quoted strings, Inhibiting Invocation): Turn more examples into
1716 (Comments): Resolve FIXME by adding example.
1717 (Define): Add example about underquoting.
1718 (Defn): Add example about use of $0.
1719 (Indir, Format): Resolve FIXME done in last commit.
1720 (Ifelse): Add example about creating blind macro.
1721 (Debugging): Fix grammar.
1722 (Dnl): Add example about dnl with arguments.
1723 (M4wrap): Be explicit that LIFO order is non compliant, and will
1725 (Undivert): Resolve FIXME by adding example.
1726 (Frozen files): Document that m4wrap and sysval will not work
1727 consistently until m4 2.0.
1728 (Incompatibilities): Document another POSIX compliance bug, this
1729 time with changequote. Document a traditional incompatibility
1730 with partial input spanning file boundaries.
1732 Make error messages more consistent with GNU coding standards -
1733 start with lower case, and don't end sentence with punctuation.
1734 * src/debug.c (trace_pre): Update message wording.
1735 * src/eval.c (evaluate, cmp_term, shift_term, mult_term):
1737 * src/freeze.c (produce_frozen_state, issue_expect_message),
1738 (reload_frozen_state): Likewise.
1739 * src/input.c (push_string_init, pop_init, init_macro_token),
1740 (peek_input, next_char_1, set_word_regexp, next_token): Likewise.
1741 * src/m4.c (stackovf_handler, main): Likewise.
1742 * src/macro.c (expand_token, expand_argument, call_macro),
1743 (expand_macro): Likewise.
1744 * src/output.c (make_room_for, output_text, insert_file),
1745 (freeze_diversions): Likewise.
1746 * src/symtab.c (symtab_init, lookup_symbol): Likewise.
1748 * src/builtin.c (builtin_tab): Make format and indir blind.
1749 (substitute): Prefer "Warning:" vs. "ERROR:" in messages.
1750 * NEWS: Mention the change to builtins.
1752 2006-06-22 Eric Blake <ebb9@byu.net>
1754 Robustify frozen file format.
1755 * src/freeze.c (reload_frozen_state): Add GET_DIRECTIVE helper
1756 macro. Require V first, and only accept it once. For F, use
1757 placeholder if builtin is not found, rather than warning.
1758 * src/m4.h (m4_placeholder): New prototype.
1759 * src/builtin.c: Unify error message style.
1760 (m4_placeholder): New function, warn if invoked.
1761 (builtin_tab): Add m4_placeholder.
1762 (m4_defn): Warn if placeholder is encountered.
1763 (find_builtin_by_addr): Handle placeholder.
1764 (find_builtin_by_name): Return placeholder on failure.
1765 (m4_builtin): Treat placeholder as undefined.
1766 * doc/m4.texinfo (Frozen files): Document changes in V and F.
1767 * NEWS: Document this change.
1768 Reported by Bruno Haible.
1770 * doc/m4.texinfo: Whitespace cleanup. TABs are evil in texinfo.
1771 (tabchar): New macro, so that 'make check' still works.
1772 (Invoking m4): Document that ignored compatibility options -B, -S,
1773 and -T each consume an argument.
1774 * checks/get-them: Honor @tabchar{}.
1776 Avoid compiler warnings during -DDEBUG.
1777 * src/m4.h (M4_GNUC_ATTRIBUTE, M4_GNUC_UNUSED): New macros.
1778 [DEBUG]: Also imply DEBUG_OUTPUT and DEBUG_STKOVF.
1779 * src/input.c (print_token) [DEBUG_INPUT]: Use correct format.
1780 (lex_debug) [DEBUG_INPUT]: Fix to compile. Mark unused.
1781 (next_token) [DEBUG_INPUT]: Print before returning.
1782 * src/path.c (include_dump) [DEBUG_INCL]: Mark unused.
1783 * src/symtab.c (symtab_debug) [DEBUG_SYM]: Mark unused.
1785 Avoid mkstemp bugs on various platforms.
1786 * m4/gnulib-cache.c: Augment with gnulib-tool --import mkstemp.
1787 * src/output.c [! HAVE_MKSTEMP]: Delete.
1788 * configure.ac (AC_CHECK_FUNCS): Don't check for mkstemp.
1789 * src/m4.h (mkstemp) [! HAVE_MKSTEMP]: Prototype, if needed.
1790 * NEWS: Document this.
1792 * Makefile.am (EXTRA_DIST): Distribute gnulib-cache.m4.
1793 Reported by Bruno Haible.
1795 2006-06-21 Eric Blake <ebb9@byu.net>
1797 Avoid obsolete sigstack when POSIX sigaltstack is available.
1798 * src/m4.c: Blindly assume signal.h, since stackovf.c and gnulib
1800 * configure.ac (AC_CHECK_HEADERS): Likewise.
1801 (AC_CHECK_TYPES): New check for siginfo_t, since siginfo.h is
1802 obsolete and most hosts now have it in signal.h.
1803 (AC_CHECK_MEMBERS): New check for sigaction.sa_sigaction.
1804 (AC_CACHE_CHECK): Cache decision to use stackovf.
1805 (AC_EGREP_HEADER): Switch to AC_CHECK_TYPES.
1806 * src/stackovf.c (DEBUG_STACKOVF): Remove unused define.
1807 (SA_RESETHAND, SA_SIGINFO): Provide fallback definitions, to
1808 simplify later code.
1809 (PARAM_STACKOVF, PARAM_NOSTACKOVF): Move further away from NULL,
1810 in case of dereferencing a member of a NULL pointer.
1811 (sigsegv_handler) [HAVE_STRUCT_SIGACTION_SA_SIGACTION]: Define a
1813 (setup_stackovf_trap): Use NULL instead of 0 for pointers, use
1814 EXIT_FAILURE in error, indent preprocessor directives.
1815 [HAVE_SIGALTSTACK && HAVE_SIGINFO_T]: Depend on siginfo_t, not
1817 [HAVE_SIGACTION && defined SA_ONSTACK]: Prefer POSIX handler.
1818 Reported by Santiago Vila.
1820 2006-06-19 Eric Blake <ebb9@byu.net>
1824 2006-06-18 Andreas Buening <andreas.buening@nexgo.de> (tiny change)
1826 * checks/Makefile.in (PATH_SEPARATOR): New macro.
1827 (check, installcheck): Use it, for OS/2.
1829 2006-06-18 Eric Blake <ebb9@byu.net>
1831 Consistently use "GNU M4" as package name, "m4" as executable
1833 * NEWS: Document previous fix.
1835 * README: Fix grammar. Document that --enable-changeword is on
1837 * doc/m4.texinfo (Top, Changeword): Likewise.
1838 (Sysval): Enhance this test.
1839 (History): Backport this section from CVS head, and update.
1841 2006-06-18 Bruno Haible <bruno@clisp.org> (tiny change)
1842 Eric Blake <ebb9@byu.net>
1844 * src/builtin.c (WEXITSTATUS): Provide fallback definition.
1845 (m4_esyscmd): Set sysval to 0xffff, to accomodate both
1846 big-endian and little-endian wait status definitions.
1847 (m4_sysval): Use WEXITSTATUS.
1848 Reported by Andreas Buening.
1850 2006-06-18 Eric Blake <ebb9@byu.net>
1852 * configure.ac (AC_INIT): Bump version number.
1853 * NEWS: Describe changes in 1.4.4c.
1855 2006-06-17 Eric Blake <ebb9@byu.net>
1857 Beta Release 1.4.4b:
1858 * configure.ac (AC_INIT): Bump version number.
1859 * NEWS: Describe changes since 1.4.4.
1860 * Makefile.maint (cvs-news): Accomodate copyright line wrapping.
1862 * Makefile.am (MAINTAINERCLEANFILES): Clean files added by
1864 * checks/Makefile.in (maintainer-clean): Add missing target.
1865 * COPYING: Remove generated file from CVS.
1867 2006-06-16 Eric Blake <ebb9@byu.net>
1869 * checks/Makefile.in (DISTFILES): Distribute wrapfifo.m4.
1871 2006-06-15 Eric Blake <ebb9@byu.net>
1873 * checks/wrapfifo.m4: New file. Use it...
1874 * doc/m4.texinfo (Incompatibilities): here, in a new test case to
1875 demonstrate how to get POSIX behavior of m4wrap prior to m4 2.0.
1877 * src/m4.h (to_uchar): New function.
1878 * src/eval.c (eval_lex): Use it to avoid passing signed char to
1879 isdigit, isalpha, isupper, islower, isspace, isalnum.
1880 * src/builtin.c (expand_user_macro): Likewise.
1881 * src/format.c (format): Likewise.
1882 * src/macro.c (expand_argument): Likewise.
1883 * NEWS: Document this security fix.
1886 * src/symtab.c (lookup_symbol): Use invalid, not illegal.
1887 * src/freeze.c (reload_frozen_state): Fix typo in message.
1888 (produce_frozen_state): Standardize on builtin, not built-in.
1889 * src/builtin.c (numeric_arg, bad_argc): Likewise.
1891 * configure.ac (M4_EARLY, M4_INIT): Use gnulib.
1892 (AC_PROG_RANLIB, AC_AIX, AC_MINIX, AC_CHECK_HEADERS),
1893 (AC_FUNC_ALLOCA, AC_REPLACE_FUNCS): Avoid checks now done by
1895 * Makefile.am (ACLOCAL_AMFLAGS): New entry, for gnulib.
1896 * m4/gnulib-cache.m4: New file, from gnulib.
1897 * bootstrap: Invoke gnulib-tool --update.
1898 * src/m4.c (main): Cast away const.
1899 * NEWS: Document that regex is updated.
1902 2006-06-08 Eric Blake <ebb9@byu.net>
1904 * configure.ac (changeword): Work even when changeword is not a
1906 (AC_PROG_AWK, AC_PROG_INSTALL, AC_PROG_MAKE_SET, AC_HEADER_STDC):
1907 Delete; now done by automake.
1908 (AC_ISC_POSIX, AC_C_CONST): Delete; now obsolete.
1910 2006-06-07 Eric Blake <ebb9@byu.net>
1912 * lib/regex.c (bcmp_translate): Canonicalize type name.
1913 * doc/Makefile.am (MAINTAINERCLEANFILES): Fix typo.
1914 * configure.ac (changeword): Disable changeword for the creation
1915 of configure, in case of bootstrapping with an m4 configured with
1916 --enable-changeword.
1918 Distribute a rudimentary man page.
1919 * Makefile.am (SUBDIRS): Move doc after src so that 'm4 --help'
1921 * doc/Makefile.am (man_MANS, EXTRA_DIST, MAINTAINERDISTCLEAN),
1922 (SUFFIXES, m4.1): New macros and rules to build m4.1.
1924 2006-06-06 Eric Blake <ebb9@byu.net>
1926 * lib/regex.c (re_match_2_internal, bcmp_translate): Avoid
1927 compiler warnings at -O2.
1928 * lib/getopt.c (_getopt_internal): Likewise.
1930 Cleanup of previous patches.
1931 * src/input.c (struct input_block): Remove traced member.
1932 (push_macro, init_macro_token): Don't pass trace status around.
1933 * src/m4.h (struct token_data): Remove traced member.
1934 (struct symbol, struct builtin): Reduce unused space.
1935 (TOKEN_DATA_FUNC): Simplify.
1936 (TOKEN_DATA_FUNC_TRACED): Remove unused macro.
1937 (push_macro, define_builtin): Remove unused parameter.
1938 * src/builtin.c (define_builtin, builtin_init, define_macro),
1939 (m4_defn): Don't pass trace status around.
1940 * src/macro.c (expand_argument): Likewise.
1941 * src/freeze.c (reload_frozen_state): Likewise.
1942 * src/symtab.c: Whitespace cleanup.
1943 * NEWS: Clean up wording.
1944 * doc/m4.texinfo (Undefine, Dumpdef, Trace): Cleanup wording;
1945 ensure tests actually expose bugs prior to today's patches.
1947 Trace status of builtins is no longer inherited across
1948 define(...,defn(...)). Fixes bug that autom4te had been working
1950 * src/builtin.c (define_builtin): Don't override trace status.
1951 * doc/m4.texinfo (Trace): Add test for this.
1952 * NEWS: Document this.
1954 When changing macro definitions inside the arguments to the macro,
1955 consistently preserve the old definition that was in effect before
1956 argument collection, similar to the C pre-processor.
1957 Reported by John Brzustowski.
1958 * NEWS: Document this change.
1959 * doc/m4.texinfo (Macro Arguments, Undefine, Dumpdef): Document
1960 this policy, and add tests that expose core dumps prior to this
1962 * src/m4.h (struct symbol): New members to track when a symbol is
1963 still in use after removal from the symbol table.
1964 (SYMBOL_PENDING_EXPANSIONS, SYMBOL_DELETED): Define.
1965 (free_symbol): Prototype.
1966 * src/macro.c (expand_macro): Track pending expansions of a
1967 symbol. On completion, if a symbol is deleted and no longer
1968 pending, free its memory.
1969 * src/symtab.c (free_symbol): Export. Don't free memory if symbol
1971 (lookup_symbol) <SYMBOL_INSERT>: Create new entry when old entry
1973 (lookup_symbol) <SYMBOL_DELETE, SYMBOL_POPDEF>: Mark entries still
1974 in use as deleted and remove from the table without freeing
1976 (symtab_print_list) [DEBUG_SYM]: More debug output.
1978 * src/symtab.c (hack_all_symbols): Allow certain modifications of
1979 the symbol table during traversal.
1980 * src/builtin.c (set_trace): Replace SYMBOL_DELETE with
1981 SYMBOL_POPDEF, since only the latter is safe with
1984 Solve crash when passing "indir(`foo')" to "m4 -tfoo".
1985 * src/symtab.c (lookup_symbol) <SYMBOL_DELETE, SYMBOL_POPDEF>:
1986 Preserve placeholder when macro is being traced.
1987 * src/builtin.c (m4_ifdef, m4_indir): A traced but undefined
1988 symbol is not defined.
1989 (set_trace): Remove placeholder when no longer traced.
1990 (m4_traceon): On named traces, always reserve a slot in the
1992 (m4_traceoff): Don't warn about untracing a nonexistent symbol.
1993 * NEWS: Document new trace behavior.
1994 * doc/m4.texinfo (Trace): Tracing by name now consistently works
1995 no matter whether that macro is currently defined.
1996 (Incompatibilities): Document differences between traditional and
1999 2006-06-04 Paul Eggert <eggert@cs.ucla.edu> (tiny change)
2000 Eric Blake <ebb9@byu.net>
2002 * src/m4.h (hash_table_size): Now size_t instead of int.
2003 * src/m4.c (hash_table_size): Likewise.
2004 (main): Adjust to this; use atol rather than atoi.
2005 * src/symtab.c: Include <limits.h>, for CHAR_BIT.
2006 (symtab_init, lookup_symbol, hack_all_symbols):
2007 Use size_t for sizes and indexes, not int.
2008 (symtab_print_list) [DEBUG_SYM]: Likewise.
2009 (hash): Likewise. Don't case-fold in the hash function.
2010 Shift by 7, not 3, for consistency with gnulib/lib/hash.c.
2011 Don't assume hash word is 32 bits.
2012 * NEWS: Document this change.
2014 2006-06-04 Eric Blake <ebb9@byu.net>
2016 * src/symtab.c (symtab_debug, symtab_print_list) [DEBUG_SYM]: Fix
2017 to allow compilation, for use in debugger.
2018 (profiles, current_mode) [DEBUG_SYM]: New variables.
2019 (show_profile, profile_strcmp) [DEBUG_SYM]: New methods for
2020 determining hash table performance.
2022 2006-05-31 Eric Blake <ebb9@byu.net>
2023 John Brzustowski <jbrzusto@fastmail.fm>
2025 * src/input.c (input_stack): Delete; use current_input instead.
2026 (wrapup_stack): Dynamically allocate, so that recursion is handled
2028 (push_wrapup): Use current wrapup stack.
2029 (pop_wrapup): Rotate wrapup stack to current, and create new
2031 (input_init): Dynamically allocate stacks.
2032 * NEWS: Update, now that recursive m4wrap can no longer cause
2035 2006-05-31 Eric Blake <ebb9@byu.net>
2037 * lib/getopt.c: Fix copyright year.
2038 * lib/obstack.c: Ditto.
2039 * src/builtin.c: Ditto.
2041 2006-05-30 Eric Blake <ebb9@byu.net>
2043 * doc/m4.texinfo (M4wrap): Add test to expose m4wrap bug.
2044 Reported by John Brzustowski.
2045 (Incompatibilities): Document known POSIX incompatibilities.
2048 2006-05-29 Eric Blake <ebb9@byu.net>
2050 * doc/m4.texinfo (Maketemp): Work even when running 'make check'
2054 * Makefile.am: New file.
2055 * doc/Makefile.am: Ditto.
2056 * examples/Makefile.am: Ditto.
2057 * lib/Makefile.am: Ditto.
2058 * src/Makefile.am: Ditto.
2059 * acinclude.m4: New file, renamed from aclocal.m4.
2060 * configure.ac (AM_INIT_AUTOMAKE): Invoke new macro.
2061 (AC_ARG_PROGRAM): Now redundant.
2062 (STACKOVF): Turn into automake conditional.
2063 (AC_CONFIG_COMMANDS): stamp-h is a command, not a file.
2064 * checks/Makefile.in: Converting this dir to automake was not
2065 trivial; for now, just add missing targets demanded by top-level.
2066 * INSTALL: Remove files that are now generated from CVS.
2067 * Makefile.in: Ditto.
2068 * aclocal.m4: Ditto.
2069 * install-sh: Ditto.
2070 * mkinstalldirs: Ditto.
2071 * doc/Makefile.in: Ditto.
2072 * doc/texinfo.tex: Ditto.
2073 * examples/Makefile.in: Ditto.
2074 * lib/Makefile.in: Ditto.
2075 * src/Makefile.in: Ditto.
2077 * AUTHORS: Backport from CVS head, and update.
2078 * doc/m4.texinfo (Changeword): Fix examples to match behavior.
2080 2006-05-27 Eric Blake <ebb9@byu.net>
2082 * lib/regex.c (regex_compile): Kill compiler warnings.
2083 * lib/getopt.c: Likewise.
2084 * lib/obstack.c: Likewise.
2085 * src/builtin.c (builtin_init): Likewise.
2086 * src/path.c (path_search): Likewise.
2088 * doc/m4.texinfo: Fix usage of a vs. an.
2089 (Loops, Include, Cleardiv, Patsubst, Format, M4exit): Kill
2090 overfull hbox warnings.
2091 (Inhibiting Invocation, Divert, Maketemp, M4exit): Add new tests.
2093 * configure.ac: Update to autoconf 2.59. Forbid ^M4_. Fix
2095 * aclocal.m4 (fp_PROG_CC_STDC): Delete; now covered by autoconf.
2096 (fp_C_PROTOTYPES): Delete, GNU Coding Standards state we can now
2098 (M4_WITH_DMALLOC): Rename from fp_WITH_DMALLOC. Fix quoting.
2099 * src/m4.h (_): PROTOTYPES is no longer provided, assume C89.
2100 * src/Makefile.in: Delete remains of ansi2knr.
2101 * src/ansi2knr.1: Delete.
2102 * src/ansi2knr.c: Delete.
2104 2006-05-25 Eric Blake <ebb9@byu.net>
2106 * doc/m4.texinfo: Fix spelling errors. Use `invalid' instead of
2109 * doc/m4.texinfo (Francois): No longer needed as a tex variable.
2110 Reported by Karl Berry.
2112 2006-05-24 Eric Blake <ebb9@byu.net>
2114 * Makefile.in (html): New target.
2115 * doc/Makefile.in (html, m4.html): Likewise.
2116 (MAKEINFOHTML): New macro.
2117 * doc/m4.texinfo (Francois) [ifnottex]: Use newer texinfo
2119 (Regexp) [ifhtml]: Make cross-reference to emacs manual an
2121 Reported by Bob Badour.
2123 * THANKS: Update. Move reporter's email addresses here, instead
2126 2006-05-11 Eric Blake <ebb9@byu.net>
2129 * doc/m4.texinfo (Changequote): Give testsuite exposure to bug
2130 patched on 2005-12-04.
2131 Reported by Ilya N. Golubev.
2133 * bootstrap: New file, so that generated files need not be stored
2135 * Makefile.in (DISTFILES): Add bootstrap.
2137 Make testsuite less sensitive to doc changes.
2138 * doc/m4.texinfo: Use m4.input instead of filename.
2139 * checks/check-them (xerr): Turn m4.input into filename.
2140 * checks/Makefile.in (dist): Depend on stamp-checks.
2142 Portability updates for OS/2.
2143 * src/Makefile.in (EXEEXT, OBJEXT): Define.
2146 * lib/Makefile.in (OBJEXT): Define.
2148 * doc/Makefile.in (install, uninstall): Install info files into
2150 Reported by Andreas Buening.
2152 2006-05-09 Eric Blake <ebb9@byu.net>
2154 * install-sh: Update to newer upstream version.
2155 * mkinstalldirs: Likewise.
2156 Reported by Andreas Buening.
2158 * src/m4.c (main): Bump copyright year.
2159 * Makefile.in (datarootdir): Define, for autoconf 2.59c.
2160 * doc/Makefile.in (datarootdir): Likewise.
2162 2006-05-08 Eric Blake <ebb9@byu.net>
2165 * doc/m4.texinfo (Bugs): Backport bug email address from head.
2166 Reported by Stepan Kasal.
2168 2005-12-04 Ilya N. Golubev <gin@mo.msk.ru> (tiny change)
2170 * input.c (match_input): Do not pass expression with side effect
2171 to `obstack_grow'. Fix <INTERNAL ERROR: Recursive push_string!>.
2174 2005-12-04 Gary V. Vaughan <gary@gnu.org> (tiny change)
2176 * doc/m4.texinfo (How to debug macros and input): s/woould/would/
2177 Reported by Damian Menscher.
2179 2005-10-19 Gary V. Vaughan <gary@gnu.org> (tiny change)
2181 * configure.ac (AC_INIT): Bump to 1.4.4a.
2183 2005-10-19 Gary V. Vaughan <gary@gnu.org> (tiny change)
2186 * configure.ac (AC_INIT): Bump to 1.4.4.
2187 * NEWS: Describe 1.4.4's changes.
2188 * INSTALL, install-sh, doc/texinfo.tex: Updated from upstream.
2190 2005-10-17 John Gatewood Ham <zappaman@buraphalinux.org> (tiny change)
2192 * src/m4.c: fix return code when non-existent files are processed
2194 2005-10-17 John Gatewood Ham <zappaman@buraphalinux.org> (tiny change)
2196 * README: update email address for bug reports.
2198 2005-10-17 Gary V. Vaughan <gary@gnu.org>
2200 * doc/m4.info: Generated files are not kept in the repository.
2202 2005-05-01 Gary V. Vaughan <gary@gnu.org>
2204 The FSF are moving offices today. Changed their contact address
2205 in all files from `59 Temple Place, Suite 330, MA 02111-1307' to
2206 `51 Franklin Street, Fifth Floor, MA 02110-1301'.
2208 Also, some of the files here were never updated from the previous
2209 '675 Mass Ave, Cambridge, MA 02139', so changed those to the
2210 '51 Franklin Street, Fifth Floor, MA 02110-1301' address too.
2212 2005-03-31 Mike Frysinger <vapier@gentoo.org>
2214 * Makefile.in (bindir, infodir): Substitute from configure rather
2216 * doc/Makefile.in (infodir): Ditto.
2217 * src/Makefile.in (bindir): Ditto.
2220 2005-03-31 Gary V. Vaughan <gary@gnu.org>
2222 Changes needed to automate the release process for 1.4.3:
2224 * Makefile.in (dist): Make .tar.bz2 tarball too.
2225 * Makefile.maint (TSDEPS_DIST): Remove m4/libtool.m4.
2226 (cvs-news): Look 1 line further down for NEWS release number.
2227 (cvs-dist): We don't use automake, so make dist is fine.
2228 Remove double . before suffixes.
2229 (cvs-release): Don't mention manual.html.
2230 (fetch): Get latest gendocs files.
2231 (web-manual): Rewritten to use gendoc for multiformat manuals.
2232 * doc/gendocs.sh: Don't save an old version in m4 CVS!
2233 * doc/m4.texinfo (Index): HFS+ (the file system on my Mac) is case
2234 preserving, but case insensitive, so generating html docs per node
2235 clashes between Index.html, the node file, and index.html, the
2236 top-level of the document tree...
2237 (Index macro): ...so renamed to this. Changed all references.
2239 2005-03-31 Gary V. Vaughan <gary@gnu.org> (tiny change)
2241 * configure.ac (AC_INIT): Bump to 1.4.3a.
2243 2005-03-31 Gary V. Vaughan <gary@gnu.org> (tiny change)
2246 * configure.in (AC_INIT): Bump to 1.4.3.
2247 * NEWS: Describe 1.4.3's changes.
2249 2005-03-31 Gary V. Vaughan <gary@gnu.org>
2251 * Makefile.maint: New file with release rules, from CVS libtool.
2252 * Makefile.in (DISTFILES): Add Makefile.maint.
2253 * INSTALL, install-sh, doc/texinfo.tex: Updated to latest
2256 2005-03-31 Eric Blake <ebb9@byu.net> (tiny change)
2258 * doc/m4.texinfo (Patsubst): Re-add trailing space required by
2259 checks/47.patsubst, with a redundant @comment to prevent emacs
2260 from removing it accidentally again.
2261 * checks/get-them: Allow for trailing spaces tucked behind
2264 2005-03-31 Eric Blake <ebb9@byu.net> (tiny change)
2266 * doc/Makefile.in (install, uninstall): Accomodate DESTDIR.
2267 * src/Makefile.in (install, uninstall): Likewise.
2269 2005-02-07 Gary V. Vaughan <gary@gnu.org>
2271 * lib/regex.c, lib/regex.h: Reverted gnulib update, which broke
2273 Reported by Eric Blake.
2275 2005-02-04 Gary V. Vaughan <gary@gnu.org>
2277 * lib/regex.c, lib/regex.h: Updated from gnulib.
2278 * src/input.c (set_word_regexp): Don't change the word_regexp
2279 unless it compiles correctly.
2281 Reported by Frank Schwidom.
2283 * Makefile.in (stamp-h): Regenerate config.h properly.
2285 2005-02-03 Gary V. Vaughan <gary@gnu.org>
2287 * configure.ac (AC_DEFINE): Fix overquoting of description
2290 * src/m4.h (__CYGWIN__, WIN32): Canonicalise Windows and Cygwin
2292 * src/freeze.c (produce_frozen_state): Use \n line-endings even
2293 on Windows, so that the frozen file reader will work.
2294 Reported by Josef T. Burger.
2296 * src/m4.c (main): Modernise the --version output.
2298 2005-02-03 Gary V. Vaughan <gary@gnu.org>
2300 Modernise the configury a little to prevent spurious errors from
2301 Autoconf-2.59's autoreconf:
2303 * config.h.in: Renamed to...
2304 * config-h.in: ...this to better support DOS 8.3 file systems.
2305 * acconfig.h: Removed.
2306 * configure.in: Renamed to...
2307 * configure.ac: ...this, and AC_DEFINE used to declare config.h
2308 entry comments. Slight reorganisation and reformatting.
2309 * aclocal.m4: Use third argument to AC_DEFINE to declare config.h
2311 (AC_INIT): Use a modern 3 argument call.
2312 * Makefile.in, checks/Makefile.in, doc/Makefile.in,
2313 examples/Makefile.in, lib/Makefile.in, src/Makefile.in:
2314 s/PRODUCT/PACKAGE/g.
2315 * Makefile.in (DISTFILES): Removed acconfig.h, configure.in,
2316 config.h.in. Added configure.ac, config-h.in.
2317 (stamp-h.in): Removed acconfig.h from dependencies.
2318 (configure): Depends on configure.ac, not configure.in.
2319 * doc/Makefile.in (stamp-vti): Ditto.
2320 * src/freeze.c (produce_frozen_state), src/m4.c (main): Adjust for
2321 difference between PRODUCT="m4" and PACKAGE="GNU M4".
2322 * configure: Regenerated.
2324 2005-02-03 Noah Misch <noah@cs.caltech.edu>
2326 * src/output.c (mkstemp): Make non-static, and build regardless of
2327 HAVE_TMPFILE; src/builtin.c also needs this replacement.
2330 2004-09-09 Vincent Lonngren <Vincent.lonngren.759@student.lu.se>
2332 * configure.in (AC_CHECK_HEADERS): Commit works best when you save
2333 changes from your editor buffer first.
2335 * configure.in (AC_CHECK_HEADERS): Add signal.h, sys/signal.h.
2336 * src/m4.c: And include them as appropriate.
2339 2004-09-09 Andreas Schwab <schwab@suse.de>
2341 Refactoring of the string read case in next_char provides about a
2342 20% speedup of M4 as typically used by autoconf:
2344 * src/input.c (next_char_1): Renamed from next_char.
2345 (next_char): New macro.
2348 2004-08-21 Gary V. Vaughan <gary@gnu.org>
2350 * configure.in (VERSION): Bump to 1.4.2a.
2352 2004-08-19 Paul Eggert <eggert@twinsun.com>
2355 * configure.in (VERSION): Bump to 1.4.2.
2356 * News: Describe 1.4.2's changes.
2358 * src/m4.c (reference_error): Preserve errno, since M4ERROR
2360 * src/builtin.c (m4_esyscmd): Clear errno before calling popen.
2361 (m4_maketemp): Clear errno before calling mkstemp.
2362 * src/path.c (path_search): Don't let "free" trash errno when
2364 * src/output.c (insert_file): Don't assume errno has a valid
2365 value simply because fread returns zero. This fixes a
2366 portability bug reported by Marion Hakanson in
2367 <http://lists.gnu.org/archive/html/bug-m4/2004-07/msg00029.html>.
2369 2004-06-09 Gary V. Vaughan <gary@gnu.org>
2371 * configure.in (VERSION): Bump to 1.4.1a.
2372 * NEWS: Place holder for next stable release.
2374 2004-06-03 Paul Eggert <eggert@cs.ucla.edu>
2377 * configure.in (VERSION): Bump to 1.4.1.
2378 * NEWS: Describe 1.4.1's changes.
2380 * aclocal.m4 (fp_PROG_CC_STDC): Use AC_DEFUN, not define, to
2381 pacify Autoconf 2.59.
2383 * doc/m4.texinfo: Insert commas after @xref's that lack them,
2384 to pacify Texinfo 4.7.
2385 * doc/Makefile.in (info): Remove info-1, info-2, info-3.
2387 * src/m4.h, src/debug.c: Use #ifdef __STDC__, not #if __STDC__, to
2388 pacify Sun C compilers.
2390 2003-09-28 Akim Demaille <akim@epita.fr>
2392 * src/symtab.c (lookup_symbol): Fix an uninitialized-variable
2395 2003-09-03 Santiago Vila <sanvila@debian.org>
2397 * examples/stackovf.sh: Use tempfile if available.
2399 2001-04-02 Robert Bihlmeyer <robbe@orcus.priv.at>
2401 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=92629
2402 * src/output.c (m4_insert_file): Do not mix buffered and
2403 unbuffered I/O, as this breaks on the Hurd. (trivial change)
2405 2001-02-01 Santiago Vila <sanvila@debian.org>
2407 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=84451
2408 * src/m4.c (main): Fix format vulnerabilities. (trivial change)
2410 2001-02-01 Matt Kraai <kraai@debian.org>
2412 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=84416
2413 * doc/m4.texinfo (Maketemp): Change maketemp to refer to a new,
2414 empty file rather than to a nonexistent file. This closes a common
2416 * src/builtin.c (m4_maketemp): Implement the above, by using
2417 mkstemp rather than mktemp. (trivial change)
2419 2000-01-09 Akim Demaille <demaille@inf.enst.fr>
2421 * src/builtin.c (expand_ranges): Added break after trailing dash.
2422 This caused misbehaviors on some systems.
2424 Sat Nov 5 15:52:47 1994 Francois Pinard (pinard@icule)
2427 * doc/Makefile.in (realclean): Also remove stamp-vti.
2428 Reported by Eric Backus.
2430 Wed Nov 2 00:47:53 1994 Francois Pinard (pinard@icule)
2432 * src/freeze.c (produce_frozen_state): If the frozen file cannot
2433 be opened, return immediately after producing the error message.
2434 Reported by Andreas Schwab.
2436 * configure.in: Check for const only after having found possible
2437 ANSIfying compiler flags, this is of no use to check it before.
2438 Reported by Alexander Lehmann.
2440 Tue Nov 1 22:02:37 1994 Francois Pinard (pinard@icule)
2442 * src/macro.c (collect_arguments): Cast obstack arguments to
2443 (voidstar), so avoiding compiler warnings.
2444 Reported by Joseph E. Sacco.
2446 * src/freeze.c (produce_frozen_state): Cast printed lengths to
2447 (int) so they correspond to %d format items.
2448 Reported by Joseph E. Sacco.
2450 * src/m4.c (main): Cast the argument to xfree to (voidstar).
2451 * src/symtab.c (free_symbol): Idem.
2452 Reported by Karl Vogel.
2454 Mon Oct 31 02:11:19 1994 Francois Pinard (pinard@icule)
2456 * Makefile.in (DISTFILES): Distribute BACKLOG.
2458 * configure.in: Define PRODUCT and VERSION.
2459 * acconfig.h: Document PRODUCT and VERSION.
2460 * src/m4.c, src/freeze.c: Use PRODUCT and VERSION instead of the
2461 constant string m4 and variable or parameter named version.
2463 Sun Oct 30 08:13:03 1994 Francois Pinard (pinard@icule)
2465 * src/m4.h, src/debug.c: Replace all #ifdef __STDC__ by #if
2466 __STDC__. Alliant FX/2800 Concentrix 2.2 (i860-BSD4.3) compiler
2467 defines __STDC__ to 0, for indicating it is *not* ANSI!
2468 Reported by Kaveh R. Ghazi.
2470 * configure.in: Added obsolescent tests for AIX and Minix.
2472 * doc/Makefile.in (mostlyclean): Remove texclean in dependencies,
2473 which texclean does not exist anymore.
2474 Reported by Eric Backus, Jim Meyering, John David Anglin and
2477 Sat Oct 29 05:10:03 1994 Francois Pinard (pinard@icule)
2479 * aclocal.m4 (fp_C_PROTOTYPES): Force -D_HPUX_SOURCE with -Aa.
2480 Reported by John David Anglin.
2482 * src/ansi2knr.c: New version, sent by Peter Deutsch.
2483 * aclocal.m4 (fp_C_PROTOTYPES): Substitute empty or ansi2knr for
2484 ANSI2KNR, depending on the fact the compiler is ANSI or not.
2485 * src/Makefile.in: Use -Ovarargs=convert on ansi2knr calls.
2486 Remove the sed filter after ansi2knr for debug.c. Use $O instead
2487 of $U, put underline in extensions rather than in basenames. Use
2488 implicit rules, now that regularity makes this possible.
2489 Have $(OBJECTS) depend on $(ANSI2KNR), so to trigger compilation
2490 of ansi2knr whenever it is needed.
2491 * configure.in: Adjusted for correct STACKOVF substitution.
2492 * src/debug.c (trace_format): When not __STDC__, use (...) as a
2493 parameter list, so ansi2knr will convert it to (va_alist) va_dcl.
2494 Reported by David MacKenzie.
2496 * Makefile.in: Remove binprefix. Use transform_name instead.
2497 Reported by David MacKenzie.
2499 * doc/Makefile.in: Create version.texi, use it, clean it.
2500 Reported by Jim Meyering.
2502 Fri Oct 28 20:33:55 1994 Francois Pinard (pinard@icule)
2504 * Makefile.in (all, install, uninstall): Depend on Makefile.
2506 * Makefile.in: For actions invoking $(MAKE) from within compound
2507 sh statements, exit non-zero if the sub-make fails. Otherwise,
2508 the top-level make may exit successfully when it should fail.
2509 Reported by Jim Kingdon.
2511 * {,/*}Makefile.in: Use && after all cd, in case they fail.
2513 * {,*/}Makefile.in: Declare PRODUCT and VERSION macros.
2514 (dist): Use PRODUCT and VERSION instead of tricks on .fname.
2515 * configure.in: Substitute PRODUCT and VERSION.
2517 * {,*/}Makefile.in (dist): Always try a hard link before a copy.
2519 Thu Oct 27 22:32:58 1994 Francois Pinard (pinard@icule)
2521 * Makefile.in (mostlyclean-local): Do not remove *~.
2522 * */Makefile.in (mostlyclean): Idem.
2523 Reported by Robert E. Brown and Richard Stallman.
2525 Sun Oct 9 08:30:13 1994 Francois Pinard (pinard@icule)
2527 * src/m4.h: Get rid of CONFIG_BROKETS.
2529 Sun Oct 2 16:48:10 1994 Francois Pinard (pinard@icule)
2531 * configure.in: Use AC_ARG_PROGRAM.
2532 * aclocal.m4 (fp_C_PROTOTYPES): Substitute @kr@ by kr or empty.
2533 Reported by David MacKenzie.
2535 Sat Oct 1 11:22:42 1994 Francois Pinard (pinard@icule)
2537 * configure.in: Do not add -O to CFLAGS for GNU C, now that
2538 configure does it automatically.
2539 Reported by Jim Meyering.
2541 Fri Sep 23 08:16:58 1994 Francois Pinard (pinard@icule)
2543 * src/stackovf.c: Declare the handler_t typedef earlier in the
2544 code, use it for stackovf_handler.
2545 (setup_stackovf_trap): Use RETSIGTYPE instead of void while
2546 casting sigsegv_handler.
2547 Reported by Robert Bernstein.
2549 * src/m4.c (main): Initialize program_name to argv[0] without
2551 Reported by Karl Berry.
2553 Sun Sep 18 11:42:50 1994 Francois Pinard (pinard@icule)
2555 * src/Makefile.in (TAGS): Include a ../lib/TAGS reference.
2556 Reported by Karl Berry.
2558 Wed Sep 14 10:00:22 1994 Francois Pinard (pinard@icule)
2560 * lib/Makefile.in (mostlyclean): Added.
2561 (TAGS): Make in $(srcdir).
2563 * configure.in: Use `choke me' in test, like everywhere!
2565 * {doc,examples,lib,src}/Makefile.in (check): Deleted, as
2566 unreacheable and useless.
2568 * doc/Makefile.in (texclean): Deleted, merged in mostlyclean.
2570 * lib/Makefile.in (DISTFILES): Distribute TAGS.
2571 (distclean): Do not remove TAGS.
2572 (realclean): Remove it.
2573 * Makefile.in: Make TAGS in lib also, not just in src.
2574 Reported by Karl Berry.
2576 * Makefile.in (distclean, realclean): Instead of recursively
2577 calling $(MAKE) for the -local part, allow parallel execution of
2578 -recursive and -local, only delay the removal of config.status,
2579 which is repeated in both goals.
2581 Tue Sep 13 19:21:05 1994 Francois Pinard (pinard@icule)
2584 * Makefile.in: Group all *clean-recursive goals in one, using sed
2585 to remove `-recursive' while calling make recursively. Also, use
2586 a subshell for each recursive $(MAKE).
2587 Reported by Jim Meyering.
2589 * src/m4.h (memcpy): Define with bcopy for BSD systems.
2590 Reported by Kaveh R. Ghazi.
2592 * src/Makefile.in (ansi2knr): Use $(LIBS) while linking, for SunOS
2593 4.1.3 requires -ldl to link even ansik2nr, and we need a way to
2596 * configure.in: Use date instead of touch for stamp-h.
2597 * Makefile.in (stamp-h.in): Idem.
2599 * Makefile.in (distclean, realclean): Force serial execution of
2600 both goals, in case parallel makes are being used.
2601 Reported by Jim Meyering.
2603 * src/Makefile.in (DISTFILES): Distribute TAGS.
2604 (distclean): Do not remove TAGS.
2605 (realclean): Remove it.
2606 Reported by Karl Berry.
2608 Sat Sep 10 12:34:04 1994 Francois Pinard (pinard@icule)
2610 * configure.in: Use fp_ to match aclocal.m4. Revert _OS_ macros
2611 to old names, for following Autoconf.
2613 Thu Sep 8 15:07:27 1994 Francois Pinard (pinard@icule)
2615 * Makefile.in (MDEFINES): Remove INSTALL substitutions, for
2616 ./install.sh will not be correctly referred to in sub-Makefiles.
2617 Reported by John David Anglin.
2619 * doc/Makefile.in (texclean): Remove *.cps and *.fns too.
2620 Reported by Eric Backus.
2622 * Makefile.in, checks/Makefile.in, doc/Makefile.in,
2623 examples/Makefile.in, lib/Makefile.in, src/Makefile.in: Limit
2624 config.status into remaking this directory's Makefile only.
2625 * Makefile.in (stamp-h): Do not check nor touch stamp-h.
2626 * configure.in (AC_OUTPUT): Touch stamp-h if CONFIG_HEADERS.
2627 Reported by Jim Meyering.
2629 Tue Sep 6 12:07:33 1994 Francois Pinard (pinard@icule)
2631 * configure.in: Correct stack overflow detection logic, taking
2632 care of systems having only incomplete implementations (like for
2633 Pyramid 9820 OSx 5.0d).
2634 Reported by Kaveh R. Ghazi.
2636 * src/Makefile.in (TAGS): Remote -t from etags call.
2638 Fri Sep 2 10:37:10 1994 Francois Pinard (pinard@icule)
2640 * lib/Makefile.in (install): Depend on all.
2642 Wed Aug 31 11:17:21 1994 Francois Pinard (pinard@icule)
2644 * examples/Makefile.in (mostlyclean): Do not depend on texclean.
2645 Reported by Jim Meyering and John David Anglin.
2647 * Makefile.in (distclean-local): Delete config.log.
2648 Reported by Jim Meyering.
2650 Solidify frozen files with respect to -P:
2651 * src/m4.c: Have -P set prefix_all_buitins variable instead of
2652 calling a function by that name. Declare the variable.
2653 * src/m4.h: Adjust declaration for prefix_all_buitins.
2654 * src/builtin.c (builtin_init): Merge in functionality from
2655 previous prefix_all_buitins function, while making entries in the
2656 symbol table, but not modifying the builtin description itself.
2658 * src/freeze.c (reload_frozen_state): Add a useless `break;',
2659 because *many* compilers do not accept an empty `default:'.
2660 Reported by Akiko Matsushita, Eric Backus, John David Anglin,
2661 Joseph E. Sacco, Kaveh R. Ghazi, Tom McConnell and Ulrich Drepper.
2663 * configure.in: Use AC_TYPE_SIGNAL.
2664 * src/stackovf.c (setup_stackovf_trap): Use RETSIGTYPE.
2665 Reported by Robert Bernstein.
2667 * checks/Makefile.in (check): Modify PATH so check-them will find
2668 m4 in the src directory.
2669 * Makefile.in (check): Don't.
2670 Reported by Akiko Matsushita and Jim Meyering.
2672 * src/output.c (make_room_for, output_character_helper): New
2673 functions, for implementing a global MAXIMUM_TOTAL_SIZE instead of
2674 a per buffer MAXIMUM_BUFFER_SIZE.
2676 * src/output.c (output_text): New function, for optimizing the
2677 output of strings of characters. Use it.
2679 Tue Aug 30 01:44:29 1994 Francois Pinard (pinard@icule)
2681 * doc, src: New directories reorganizing the distribution.
2682 * doc/Makefile.in, src/Makefile.in, examples/Makefile.in: New
2684 * Makefile.in: Adjusted.
2685 * configure.in: Configure new Makefiles.
2687 * m4.h: Declare STRING typedef. Use it for comment and quote
2688 strings, adjusting all references. (This is the rudiments of a
2689 beginning for the eventual withdrawal of NUL terminated strings.)
2690 * output.c (shipout_text): Accept a length parameter, and use it.
2691 All callers adjusted.
2693 Mon Aug 29 12:27:19 1994 Francois Pinard (pinard@icule)
2695 * m4.h: Include <unistd.h> if it exists.
2696 * stackovf.c: Don't.
2698 Clean up for current_diversion variable:
2699 * output.c: Move current_diversion from builtin.c.
2700 * m4.h: Declare current_diversion so builtin.c can access it.
2701 * output.c (output_init, make_diversion): Initialize or update
2703 * builtin.c (builtin_init, m4_divert): Leave current_diversion
2706 Remove limit on number of diversions:
2707 * output.c: Replace ndiversion by diversions, declare it.
2708 (output_init): Allocate only diversion 0.
2709 (make_diversion): Allocate new diversions as needed.
2710 * m4.h, m4.c: Remove NDIVERSIONS and ndiversion related stuff.
2711 * m4.c: Still accept -N, but do nothing with it.
2712 Reported by David MacKenzie.
2715 * output.c (freeze_diversions): New function.
2716 * m4.h: Declare freeze_diversions.
2717 * freeze.c: Document frozen file format, revise it, call
2718 freeze_diversions to add diversions to frozen format, and code to
2719 reload them properly.
2720 * m4.c: Do not undivert automatically at end when status being
2721 frozen. Do not call builtin_init when reloading frozen state.
2723 Speed up diversion processing:
2724 * output.c: Add INITIAL_BUFFER_SIZE, MAXIMUM_BUFFER_SIZE,
2725 COPY_BUFFER_SIZE, in-memory diversion buffers, struct diversion
2726 structure and variables, cached variables out of output_diversion,
2727 reallocate_diversion_for and OUTPUT_CHARACTER.
2728 (shipout_text, make_diversion, insert_diversion): Adapted to new
2730 (insert_file): Use better buffering.
2731 Reported by David MacKenzie.
2733 Sun Aug 28 05:20:02 1994 Francois Pinard (pinard@icule)
2735 * Makefile.in, lib/Makefile.in, checks/Makefile.in: Arrange so
2736 dist works from another build directory.
2738 Sat Aug 27 14:32:45 1994 Francois Pinard (pinard@icule)
2740 * symtab.c (hack_all_symbols): Use hash_table_size instead of
2741 constant HASHMAX, for -H option to work better.
2743 * builtin.c (DECLARE): Simplify by using _ ().
2745 * freeze.c: New file.
2746 * Makefile.in: Compile it, distribute it.
2747 * m4.c: Recognize, document and process --freeze-state (-F) and
2748 --reload-state (-R) options. Pass a true flag to builtin_init
2749 only if no reloading some state.
2750 * builtin.c (define_builtin): Remove static specifier.
2751 (find_builtin_by_name): Remove static specifier.
2752 (builtin_init): Accept and obey a flag argument.
2753 * m4.h: Add declarations for freeze.c, changes for builtin.c.
2755 Wed Aug 24 16:14:19 1994 Francois Pinard (pinard@icule)
2757 * builtin.c (dumpdef_cmp): Rewrite so the cast protect the const
2760 * configure.in: Implement --with-dmalloc.
2761 * acconfig.h: Document WITH_DMALLOC.
2762 * m4.h: Add code for when WITH_DMALLOC.
2764 Mon Aug 15 12:38:05 1994 Francois Pinard (pinard@icule)
2766 * m4.c (long_options): Use "error-output", the dash was missing.
2767 Reported by Akiko Matsushita.
2769 Fri Aug 12 16:38:01 1994 Francois Pinard (pinard@icule)
2771 * m4.h: Include <sys/types.h>.
2772 * builtin.c, debug.c, m4.c, output.c, stackovf.c: Don't.
2773 * m4.h: Declare len_lquote and len_rquote as size_t, not int.
2775 * input.c: Declare len_lquote, len_rquote, len_bcomm and len_ecomm
2777 * builtin.c (dump_args): Declare len as size_t, not int.
2779 * debug.c: Prototype the forward declaration of debug_set_file.
2781 * builtin.c (m4_undivert): Replace div by file, for avoiding the
2782 shadowing of this variable.
2783 * output.c (insert_diversion): Idem.
2785 * input.c: Delete def_rquote, def_lquote, def_bcomm and def_ecomm.
2786 (input_init): Duplicate default quote and comment strings.
2787 (set_quotes): Free previous quote strings in all cases. Duplicate
2788 even default quote strings.
2789 (set_comment): Free previous comment strings in all cases.
2790 Duplicate even default comment strings.
2792 * configure.in: Updated for Autoconf 2.0.
2793 * Makefile.in (distclean-local): Also delete config.cache.
2795 * m4.c (usage): Reorganize the --help output by topic. Include a
2796 description for debugging flags.
2798 Fri Jul 29 10:15:52 1994 Francois Pinard (pinard@icule)
2800 * configure.in: If sigaction is available and SA_ONSTACK defined,
2801 use sigaction. Otherwise, if sigvec is available and SV_ONSTACK
2802 defined, use sigvec. Else don't compile stackovf.c.
2803 * stackovf.c (setup_stackovf_trap): Idem.
2804 Reported by Jim Avera, Karl Berry, Kaveh R. Ghazi, Matthias Rabe
2807 Thu Jul 21 22:43:17 1994 Francois Pinard (pinard@icule)
2809 * m4.c (usage): Replace printf par fputs.
2811 Mon Jul 18 23:48:23 1994 Francois Pinard (pinard@icule)
2815 Sun Jul 17 08:08:25 1994 Francois Pinard (pinard@icule)
2817 * configure.in: Check for sigaction and sigvec. Add a new delayed
2818 check for RLIMIT_STACK, combine in the checking for getrlimit.
2819 All those things are not universally available.
2820 * stackovf.c: Split setting up the trap handler and catching
2821 signals, for better taking care of various configure outcomes.
2822 * examples/stackovf.sh: Correct a typo.
2823 Reported by Eric Backus, Jim Avera and Jim Meyering.
2825 Sat Jul 16 20:36:19 1994 Francois Pinard (pinard@icule)
2827 * ansi2knr.c: New version sent by its author, Peter Deutsch.
2829 Fri Jul 15 14:36:21 1994 Francois Pinard (pinard@icule)
2831 * Makefile.in: Modify so parallel make will not try making
2832 lib/libm4.a twice simultaneously.
2833 Reported by Jim Meyering.
2835 Thu Jul 14 17:23:17 1994 Francois Pinard (pinard@icule)
2837 * stackovf.c (setup_stackovf_trap): Replace "Don't" by "Do not" in
2838 error message, for when no code possibility exists. Even if this
2839 line is completely #ifdef'ed out, it brings a syntax error.
2840 Reported by Andreas Schwab, Jim Meyering and Joseph E. Sacco.
2842 * Makefile.in (install): Have install depend on all too, for lib
2843 to be remade as needed.
2845 * examples/stackovf.sh: Try ksh, bsh and bash for shells
2846 providing ulimit, instead of using only ksh.
2847 Reported by Jim Avera and Joseph E. Sacco.
2849 Tue Jul 12 06:54:31 1994 Francois Pinard (pinard@icule)
2851 * Makefile.in (check): Have it depend on all instead of m4. In
2852 this way, a change in lib will be detected and processed.
2854 * builtin.c (numeric_arg): Use strtol and verify the conversion,
2855 instead of using sscanf which stops as soon as there is a
2856 non-digit in the input. Previously, incr(1xyzzy), eval(1,2xyzzy)
2857 and divert(1xyzzy) were all accepted without any warning or error
2859 * m4.h: Declare strtol as long if not including stdlib.h.
2860 * configure.in: Check for limits.h, and replace strtol if missing.
2861 * lib/Makefile.in: Substitute LIBOBJS. Distribute strtol.c.
2862 * lib/strtol.c: New file, from elsewhere.
2863 Reported by Andreas Schwab.
2865 Thu Jul 7 22:38:10 1994 Francois Pinard (pinard@icule)
2867 * macro.c (expand_macro): Cast value to (boolean) prior to
2868 assigning it to traced.
2869 Reported by Tom McConnell.
2871 * Makefile.in (m4): Always make all in lib first.
2872 Reported by Jim Meyering.
2874 Wed Jul 6 13:16:31 1994 Jim Avera (jima@netcom.com)
2876 * stackovf.c: Isolated OS-dependent sections; Improved portability,
2877 adding support for SunOS/BSD (sigvec, sigstack, and 4-parameter signal
2878 handlers), and a default error message if the fault address is not
2879 available (when neither siginfo.h nor BSD sigcontext are supported).
2880 * configure.in: Changes for stackovf.h: Check for sigcontext,
2881 sigaction, sigstack, and define rlim_t as int if necessary.
2882 * acconfig.h: Added HAVE_SIGCONTEXT and rlim_t.
2883 * examples/stackovf.sh: Run m4 -L99999999 to allow stack overflow.
2884 * ansi2knr.c: Fix for func-ptr args; convert "..." to varargs syntax.
2886 Tue Jul 5 19:13:54 1994 Francois Pinard (pinard@icule)
2888 * configure.in: Use AC_SET_MAKE.
2889 * Makefile.in: Use @SET_MAKE@.
2890 Reported by Jim Meyering.
2892 * checks/check-them: Do not trap on SIGQUIT or SIGALRM.
2893 Reported by Ian Taylor.
2895 Sat Jul 2 00:58:47 1994 Francois Pinard (pinard@icule)
2897 * configure.in: Remove dependency of USE_STACKOVF on STDC_HEADERS,
2898 because siginfo.h is unrelated to standard headers, and siginfo.h
2899 is already checked for.
2900 Reported by Joseph E. Sacco.
2902 * acconfig.h, aclocal.m4, m4.h: Replace HAVE_PROTOTYPES by
2904 * aclocal.m4, configure.in: Replace AC_HAVE_PROTOTYPES by
2907 Wed Jun 29 22:41:53 1994 Francois Pinard (pinard@icule)
2909 * builtin.c (substitute): Use \& to represent this part of the
2910 string which was matched by the whole regexp, instead of
2911 representing the whole string. Any usage of \0 issues a warning
2912 and acts like \&, it will disappear in some subsequent release.
2914 Mon Jun 27 14:24:23 1994 Francois Pinard (pinard@icule)
2916 * m4.c: Complete prototype for forwarded declaration of usage.
2918 * input.c (init_macro_token): Correct own reference in error
2919 message. Previous name get_macro_func was referred to instead.
2920 (next_char): Correct own reference in error message. Previous
2921 name advance_input was referred to instead.
2923 * m4.h: Declare eval_t and unsigned_eval_t typedefs to 32 bits.
2924 * eval.c (logical_or_term, logical_and_term, or_term, xor_term,
2925 and_term, not_term, logical_not_term, cmp_term, shift_term,
2926 add_term, mult_term, exp_term, unary_term, simple_term): Add
2927 prototype to forwarded declarations. Declare parameter v1 as
2928 eval_t * instead of int *. Same for local variable v2 in dyadic
2929 functions. Same for result in exp_term.
2930 * builtin.c (m4_eval): Declare value as eval_t instead of int.
2931 (ntoa): Declare value as eval_t instead of int. Declare uvalue as
2932 unsigned_eval_t instead of unsigned int. Change casts accordingly.
2933 (shipout_int): Cast first argument of ntoa to eval_t.
2934 Reported by Thorsten Ohl.
2936 * macro.c: Complete the prototypes of forwarded expand_macro and
2938 Reported by Thorsten Ohl.
2940 * m4.h: Define voidstar as void * or char * depending on __STDC__.
2941 The Ultrix 3.1 compiler cannot do much with void pointers.
2943 * builtin.c (dumpdef_cmp): Replace void * by voidstar.
2944 * m4.c (xfree): Replace void * by voidstar.
2945 Reported by Tom McConnell.
2947 * ansi2knr.1: New, from elsewhere.
2948 * Makefile.in (DISTFILES): Distribute ansi2knr.1
2950 * Makefile.in (stamp-h.in): Avoid running ./config.status if
2951 stamp-h does not exist yet. This avoids running it a second time
2952 just after the initial ./configure.
2953 Reported by David MacKenzie and Tom McConnell.
2955 * m4.h: Replace the enum debug_info declaration with a series of
2956 #define's. The Ultrix 3.1 compiler would otherwise need casting
2957 (int) to most references, when used in expressions.
2958 Reported by Tom McConnell.
2960 Sat Jun 25 00:10:05 1994 Francois Pinard (pinard@icule)
2962 * aclocal.m4: Replace FP_PROTOTYPES by AC_HAVE_PROTOTYPES,
2963 following an idea from Brook G. Milligan. AC_HAVE_PROTOTYPES
2964 calls the compiler. Previously, FP_PROTOTYPES was only calling
2965 the preprocessor; by not being subject to CFLAGS, this was
2966 discouraging those flags asking for ANSI compilation.
2967 * acconfig.h: Document HAVE_PROTOTYPES.
2968 * configure.in: Use AC_HAVE_PROTOTYPES instead of FP_PROTOTYPES.
2969 * m4.h: Define _() according to HAVE_PROTOTYPES, not __STDC__.
2970 Reported by Eric Backus.
2972 * configure.in: Substitute CFLAGS and LDFLAGS, taking their value
2973 from the environment. Default CFLAGS to -g if not set.
2974 * Makefile.in: Have CFLAGS and LDFLAGS substituted from configure.
2975 * lib/Makefile.in: Have CFLAGS substituted from configure.
2976 Reported by Eric Backus and Tom McConnell.
2978 * configure.in: m4_undefine changeword before using AC_ENABLE.
2980 * m4.h: Declare prototypes for error (for ANSI compilers only),
2981 prefix_all_builtins and reference_error.
2982 Reported by Tom McConnell.
2984 * input.c (set_word_regexp): Do not try to initialize the array
2985 test from a string, this does not work with non-ANSI compilers.
2986 Reported by Eric Backus.
2988 * Makefile.in (dist): Clean examples/ before saving it.
2989 (distclean-local): Also remove stamp-h.
2990 Reported by Eric Backus.
2992 * Makefile.in (_stackovf.c): Goal for compiling stacokovf.c with
2994 Reported by Tom McConnell.
2996 * checks/Makefile.in (clean): Depends on mostlyclean.
2997 (mostlyclean): New goal.
2999 Fri Jun 24 23:30:31 1994 Francois Pinard (pinard@icule)
3001 * Makefile.in (DISTFILES): Distribute install.sh.
3002 * install.sh: New file, copied from elsewhere.
3003 Reported by Assar Westerlund and Kaveh R. Ghazi.
3005 Thu Jun 23 00:00:30 1994 Francois Pinard (pinard@icule)
3007 * configure.in: Define ENABLE_CHANGEWORD if --enable-changeword.
3008 * acconfig.h: Explain ENABLE_CHANGEWORD.
3010 [These modifs all depend upon ENABLE_CHANGEWORD and are adapted
3011 from code provided by Pete Chown]
3012 * m4.h: Add original_text field to u_t variant of union u.
3013 Declare TOKEN_DATA_FUNC macro.
3014 * builtin.c: Declare changeword.
3015 (m4_changeword): New function.
3016 * input.c: Include "regex.h", define variables with word regexps.
3017 (input_init): Initialize the word regexp.
3018 (set_word_regexp): New.
3019 (next_token): Declare local variables, use the previous code if
3020 default_word_regexp is true. Else, match using a new code. Save
3022 * macro.c (expand_token): Ship out original text if not a macro
3024 Reported by Krste Asanovic and Pete Chown.
3026 [These modifs all depend upon ENABLE_CHANGEWORD]
3027 * m4.h: Declare external user_word_regexp.
3028 * m4.c: Declare user_word_regexp, and initialize it from
3029 --word-regexp or -W, or NULL if not specified.
3030 * input.c: Use user_word_regexp if specified, instead of
3031 DEFAULT_WORD_REGEXP.
3033 * Makefile.in (m4): Revert Jan 3 1994 change. I'm unable to
3036 * Makefile.in, lib/Makefile.in: Limit suffixes to .c and .o.
3037 * checks/Makefile.in: Empty the suffix list.
3038 Reported by Geoff Russell, Joel Sherrill and Roland McGrath.
3040 * m4.c: Declare nesting_limit and initialize it to 250.
3041 Implement -LNUMBER or --nesting-limit=NUMBER to change its
3043 * m4.h: Declare nesting_limit as external.
3044 * macro.c (expand_macro): Stop execution whenever nesting limit
3046 Reported by Bengt Mertensson.
3048 * eval.c (evaluate): Diagnose excess characters in eval input.
3049 Things like `eval(08)' used to return 0 with no diagnostic.
3051 * m4.h: Capitalize first letter of all macro arguments in
3054 * m4.c: Declare warning_status, initialize it to 0. Add new
3055 option -E, or --fatal-warnings, which sets warning_status to
3056 EXIT_FAILURE instead.
3057 * m4.h: Declare external warning_status. Define EXIT_SUCCESS and
3058 EXIT_FAILURE if not otherwise done by header files.
3059 * m4.c: Delete declarations for EXIT_SUCCESS and EXIT_FAILURE.
3060 * m4.c, input.c, output.c, symtab.c, builtin.c, macro.c, debug.c,
3061 eval.c: Replace 0 by warning_status and 1 by EXIT_FAILURE in first
3062 argument of all M4ERROR calls.
3063 Reported by Noah Friedman.
3065 * examples/incl-test.m4: Renamed from incl_test.m4.
3066 * examples/include.m4: Include incl-test.m4 instead of
3068 * examples/multiquotes.m4: Renamed from multi-quotes.m.
3070 Wed Jun 22 21:58:54 1994 Francois Pinard (pinard@icule)
3072 * configure.in: Avoid USE_STACKOVF if <siginfo.h> not found. Note
3073 that Jim developped stackovf.c on a 486 running SVR4.0 (ESIX), and
3074 also tested it on a Sun Sparc workstation running SunOS 4.x.
3076 * format.c (format): When not HAVE_EFGCVT, m4 was failing the
3077 49.format check, abusing a `union values' argument with sprintf
3078 without selecting the proper field. Now, save the formatting type
3079 first, delaying the fetch of the corresponding argument.
3080 Reported by Joseph E. Sacco and Tom Quinn.
3082 * format.c (format): Remove const from char *fmt declaration when
3083 not HAVE_EFGCVT, because a NUL may be forced into it.
3085 * m4.h: Declare atof() when not STDC_HEADERS.
3086 Reported by Joseph E. Sacco.
3088 * Regenerate configure using Autoconf 1.11, this corrects a
3089 problem about an incorrect cpp seting on NeXT 3.1.
3090 Reported by Alexander Lehmann.
3092 Sun Jun 5 16:25:19 1994 Francois Pinard (pinard@icule)
3094 * m4.h (_): Change argument from `x' to `Args'.
3096 Wed May 4 23:59:39 1994 Francois Pinard (pinard@icule)
3098 * Makefile.in: Remove all occurrences of $(MFLAGS), which were
3099 bringing more evil than good on a few systems.
3100 Reported by Greg A. Woods.
3102 Fri Apr 22 15:59:35 1994 Francois Pinard (pinard@icule)
3104 * m4.h: Rename Args() to _().
3105 * m4.h: Remove extern specifier from all function declarations.
3107 Fri Apr 22 15:51:21 1994 Jim Avera (jima@netcom.com)
3109 * stackovf.c: New file implementing stack-overflow detection.
3110 * configure.in: Check for getrlimit, sigaction. If all of
3111 standard headers, getrlimit and sigaction, define USE_STACKOVF and
3112 substitute ${U}stackovf.o for STACKOVF.
3113 * acconfig.h: Declare USE_STACKOVF.
3114 * Makefile.in: Distribute stackovf.c, link with $(STACKOVF).
3115 * m4.h: Declare setup_stackovf_trap().
3116 * m4.c: Call setup_stackovf_trap().
3117 * tests/stackovf_test.sh: New file.
3119 Wed Apr 13 14:10:30 1994 Francois Pinard (pinard@icule)
3121 * checks/Makefile.in: Rename .all-stamp to stamp-checks.
3123 * Makefile.in (Makefile, etc.): Adapt for Autoconf 1.8.
3125 Sun Jan 30 14:24:19 1994 (pinard at icule)
3127 * m4.h: Remove definition of volatile, not used anymore.
3128 Reported by Jim Meyering and Joseph E. Sacco.
3130 * m4.h: Consistently use `do { ... } while (0)' in macros, instead
3131 of `if ... else /* nothing */' for if macros.
3132 Reported by Jim Meyering.
3134 * builtin.c (m4_regexp): Reorganize the code for avoiding a
3135 warning from gcc about `repl' possibly used before defined.
3136 Reported by Jim Meyering.
3138 * m4.h: Avoid a pre-ANSI <memory.h> together with <string.h>.
3139 Reported by Jim Meyering.
3141 Tue Jan 25 18:39:37 1994 Francois Pinard (pinard at icule)
3143 * m4.h: Move the conditional definition of volatile after the
3144 inclusion of system files, because they may define it first.
3146 Tue Jan 4 19:46:50 1994 Francois Pinard (pinard@icule)
3148 * checks/Makefile.in (CHECKS): Add a useless `*' before `[', to
3149 get around a problem with Alpha make seeing a syntax error, there.
3150 Reported by Vern Paxson.
3152 Mon Jan 3 00:21:45 1994 Francois Pinard (pinard@icule)
3154 * Makefile.in: Do not define LDFLAGS, use CFLAGS on link calls.
3155 Reported by Richard Stallman.
3157 Sat Dec 25 08:06:05 1993 Francois Pinard (pinard@icule)
3159 * configure.in: Correct test for strerror, AC_FUNC_CHECK was used
3160 instead of AC_HAVE_FUNCS.
3161 Reported by Noah Friedman.
3163 Wed Dec 1 09:37:53 1993 Francois Pinard (pinard@icule)
3165 * m4.c: Initialize show_help and show_version to zero.
3167 * m4.c: Ensure EXIT_SUCCESS and EXIT_FAILURE are defined.
3168 Use them in exit() and usage() calls.
3170 Sat Nov 27 10:43:24 1993 Francois Pinard (pinard@icule)
3172 * m4.h: Delete extern sys_nerr, sys_errlist declarations, and
3173 syserr() macro. Delete errref, add reference_error and M4ERROR.
3174 * m4.c: Replace errref, which was returning an input reference
3175 string, with reference_error, which prints it on standard error.
3176 * builtin.c, output.c: Use errno as second parameter to error,
3177 instead of using syserr() with %s.
3178 * *.c: Use M4ERROR instead of error: no more errref() with %s.
3179 Doing so, the program name appears after the input reference
3180 instead of before, which eases M-x next-error processing.
3182 Wed Nov 24 22:16:15 1993 Francois Pinard (pinard@icule)
3184 * checks/get-them: Escape braces with backslashes in patterns,
3185 because HPUX-9.01 awk needs this.
3186 Reported by Jim Meyering.
3188 Mon Nov 22 10:55:52 1993 Francois Pinard (pinard@icule)
3190 * builtin.c: Declare "FILE *popen ();".
3192 * m4.h: Remove MESSAGE{,1,2}, WARNING1, FATAL{,1}, INTERNAL_ERROR
3193 macros, replace error_message_prefix() declaration by errref()'s.
3194 Declare xrealloc, for use in errref().
3195 * m4.c: Delete error_message_prefix() function, add errref().
3196 * *.c: Use error() systematically in place of all error macros,
3197 now that error() flushes stdout first. Make needed adjustments.
3199 * m4.h: Remove const in sys_errlist[] declaration, it creates
3200 conflicts on SGI and Alpha.
3201 Reported by Kaveh R. Ghazi.
3203 Sat Nov 20 08:26:15 1993 Francois Pinard (pinard@icule)
3205 * m4.c: Include <getopt.h> instead of "getopt.h".
3207 * configure.in: Output to config.h. Use HAVE_FUNCS preferably.
3208 * acconfig.h: New, for documenting HAVE_EFGCVT.
3209 * Makefile.in: Distribute acconfig.h, .stamp-h.in and config.h.in,
3210 use them wherever appropriate. Also use -I. for compilations.
3211 * lib/Makefile.in: Use -I.. for compilations.
3212 * *.c: Include <config.h> or "config.h".
3214 * m4.h: Test for HAVE_MEMORY_H instead of NEED_MEMORY_H.
3215 * configure.in: Use AC_HAVE_HEADERS(memory.h), delete AC_MEMORY_H.
3217 Wed Nov 17 09:34:55 1993 Francois Pinard (pinard@icule)
3219 * builtin.c (m4_eval): Cast strlen to (int) before comparing.
3221 * input.c (input_init): Initialize quote and comment strings
3222 explicitely instead of calling set_quotes and set_comment: by
3223 doing so, we ensure we do not free uninitialized variables.
3225 * checks/check-them: Reverse arguments to both diff, so the
3226 expected is on the left and the obtained on the right.
3228 * m4.h: Add MESSAGE{,1,2}, WARNING1, FATAL{,1} and INTERNAL_ERROR
3229 macros. Delete declarations for m4error, warning, fatal and
3230 internal_error, add declaration for error_message_prefix.
3231 * m4.c: Delete m4error, warning, fatal and internal_error
3232 routines, add error_message_prefix routine.
3233 * *.c: Replace m4error routine calls with MESSAGE* macro calls,
3234 warning with WARNING*, fatal with FATAL* and internal_error with
3236 * Makefile.in (_m4.c): Do not adjust ansi2knr output for va_alist,
3237 this is not needed anymore.
3239 * m4.h: Declare extern FILE *debug. Add DEBUG_PRINT{1,3} and
3240 DEBUG_MESSAGE{,1,2} macros. Delete declarations for debug_print
3241 and debug_message, add declaration for debug_message_prefix.
3242 * debug.c: Remove static specifier for FILE *debug declaration.
3243 Delete debug_print and debug_message routines, add
3244 debug_message_prefix routine.
3245 * builtin.c, debug.c: Replace debug_print routine calls with
3246 DEBUG_PRINT* macro calls.
3247 * input.c, path.c: Replace debug_message routine calls with
3248 DEBUG_MESSAGE* macro calls.
3250 * m4.h: Remove inclusion of <varargs.h>.
3251 * debug.c: Include <stdarg.h> or <varargs.h>.
3252 (trace_format): Use stdarg instead of varargs if __STDC__.
3254 * configure.in: Remove checks for vfprintf and _doprnt. These
3255 implementations use varargs tricks which are not portable enough.
3256 * lib/vfprintf.c: Deleted.
3257 * lib/_doprnt.c: Deleted.
3258 * lib/Makefile.in: Adjusted accordingly. Remove LIBOBJS.
3259 Reported by Joel Sherrill.
3261 * path.c (add_include_directory): Use xstrdup.
3263 * builtin.c (find_builtin_by_name): Declare static.
3265 * *.[ch]: Add const to a few "char *" declarations.
3267 * configure.in: Remove commented tests for fileno() and fstat().
3268 * debug.c: Remove comments about HAVE_FILENO and HAVE_FSTAT.
3270 * debug.c (debug_flush_files): New.
3271 * m4.h: Declares it.
3272 * builtin.c (m4_syscmd, m4_esyscmd): Use it.
3273 Reported by Nicolas Pioch.
3275 Fri Nov 12 10:02:26 1993 Francois Pinard (pinard@icule)
3277 * Makefile.in (m4.dvi): Use m4.texinfo instead of m4.texi.
3278 Reported by Joel Sherrill.
3280 * builtin.c (prefix_all_builtins): Instead of the table size, use
3281 the null entry at end for stopping the loop. It was overwritten.
3282 Reported by Andreas Schwab and Jim Meyering.
3284 * builtin.c (prefix_all_builtins): Cast xmalloc to (char *).
3285 Reported by Kaveh R. Ghazi.
3287 * macro.c (call_macro): Add * in (*SYMBOL_FUNC (sym)) (...).
3288 Reported by Karl Vogel.
3290 Tue Nov 9 09:31:47 1993 Francois Pinard (pinard@icule)
3292 * m4.h: Do not define volatile if already defined.
3293 Reported by Rene' Seindal.
3295 * lib/Makefile.in: Add a forgotten ALLOCA=@ALLOCA@. Grrr!
3297 Reported by Bernhard Daeubler, Eric Backus, Hal Peterson, Hoang
3298 Uong, Ian Taylor, Kaveh R. Ghazi, Tom McConnell and Walter Wong.
3300 Mon Nov 8 21:11:44 1993 Francois Pinard (pinard@icule)
3302 * m4.h: Define strchr and strrchr in terms of index and rindex,
3303 instead of the other way around.
3304 * builtin.c, m4.c, path.c: Use strchr instead of index.
3306 * input.c (next_char): Remove a "break;" after a "return ...;".
3307 Reported by Tom McConnell.
3309 Mon Nov 8 12:45:34 1993 Francois Pinard (pinard@icule)
3313 * configure.in: Do not copy check files in the build hierarchy.
3314 * checks/check-them: Identify the m4 version being checked. For
3315 finding m4, look in $PATH instead of in the parent directory.
3316 * Makefile.in (check): Prepend `pwd` to $PATH before checking.
3317 * checks/Makefile.in (.all-stamp): Always create check files in
3318 the source hierarchy, not anymore in the build hierarchy.
3319 (check): cd to the source hierarchy before performing checks.
3320 Do not copy nor clean COPYING anymore, take it from `..'.
3321 Reported by Tom McConnell.
3323 * Makefile.in (Makefile): Use $(SHELL).
3324 (config.status): Use $(SHELL). Use "config.status --recheck"
3325 instead of "configure --no-create", which is obsolete.
3326 Reported by Tom McConnell.
3328 Fri Nov 5 09:49:30 1993 Francois Pinard (pinard@compy.IRO.UMontreal.CA)
3330 * m4.c (usage): Use "%s" instead of "m4" in format string.
3331 Reported by Jim Meyering.
3333 * Makefile.in: Distribute mkinstalldirs.
3334 Reported by Pierre Gaumond.
3335 Reported by Jim Meyering.
3336 Reported by Tom McConnell.
3337 Reported by Andreas Gustafsson.
3339 * checks/check-them: Renamed from checks/check_them.
3340 * checks/get-them: Renamed from checks/get_them.
3341 * checks/.all-stamp: Renamed from checks/.all_stamp.
3342 * checks/Makefile.in: Changed accordingly.
3343 Reported by Jim Meyering.
3345 Thu Nov 4 13:50:52 1993 Francois Pinard (pinard@lagrande.IRO.UMontreal.CA)
3347 * lib/Makefile.in (dist): Correct permissions on files.
3349 * output.c: Declare tmpfile, some systems don't.
3351 Wed Nov 3 09:09:16 1993 Francois Pinard (pinard@icule)
3353 * checks/Makefile.in (dist): Correct permissions on files.
3355 * Makefile.in (dist): Ensure recursive linking for subdirectory
3356 `examples', also set read/write permissions on all its files.
3358 * mkinstalldirs: New, from elsewhere.
3359 * Makefile.in: Use it.
3361 * debug.c: Synchronize debug messages and regular output when
3362 the debug file and stdout are redirected to the same file.
3363 * configure.in: Add (commented) checks for fileno and fstat.
3364 Reported by Jim Avera.
3366 * builtin.c (m4_ifelse): Diagnose excess arguments if 5, 8, 11,
3367 etc., arguments, then ignore the superfluous one. m4 used to
3368 diagnose missing arguments and return the empty string.
3369 Reported by Nick S. Kanakakorn.
3371 Tue Nov 2 00:55:41 1993 Francois Pinard (pinard@icule)
3373 * m4.c (main): At end of all input, ensure all undiverted text
3374 goes to the main output stream.
3375 Reported by Andreas Gustafsson.
3377 * m4.c (main): exit (0), instead of return 0.
3379 * m4.c: Implement -P and --prefix-builtins.
3380 * builtin.c: Delete const specifier on builtin_tab.
3381 (prefix_all_builtins): New.
3382 Reported by Noah Friedman.
3383 Reported by Scott Bartram.
3385 * c-boxes.el: New, from elsewhere.
3386 * Makefile.in: Distribute it.
3388 * m4.h: Do not define bcopy if <string.h> defines it.
3389 Reported by Stephen Perkins.
3391 * builtin.c (define_macro): Allow a missing second argument, in
3392 which case it is implied empty. Affects define and pushdef.
3393 Reported by Eric Allman.
3395 Mon Nov 1 07:45:24 1993 Francois Pinard (pinard@icule)
3397 * m4.h: Add blind_if_no_args in struct builtin, blind_no_args in
3398 struct symbol adn SYMBOL_BLIND_NO_ARGS macro.
3399 * builtin.c: Initialize all the blindness fields in builtin_tab.
3400 (define_builtin): Copy the blindness of a builtin into its symbol.
3401 * macro.c (expand_token): Avoid processing a blind builtin if the
3402 next character is not an opening parenthesis.
3403 Reported by David MacKenzie.
3404 Reported by Noah Friedman.
3406 * configure.in: Ensure an exit status of 0 on completion.
3407 Reported by Vivek P. Singhal.
3409 * eval.c (eval_lex): Admit both lower and upper case letters for
3410 bases greater than 10. Only lower case letters were accepted.
3412 * eval.c (eval_lex): Recognize 0bDIGITS and 0rRADIX:DIGITS syntax.
3413 Reported by Krste Asanovic.
3415 * eval.c: Rename NOT to LNOT. Add XOR, NOT, LSHIFT and RSHIFT.
3416 * eval.c (logical_not_term): New name for not_term.
3417 * eval.c (xor_term): New, between or_term and and_term.
3418 * eval.c (not_term): New, between and_term and logical_not_term.
3419 * eval.c (shift_term): New, between cmp_term and add_term.
3420 Reported by Krste Asanovic: ~, ^, <<, >>.
3421 Reported by Ben A. Mesander: ** vs ^.
3423 * m4.c: Delete xmalloc.c, xrealloc.c, xstrdup.c.
3424 * m4.h: Delete xrealloc.c.
3425 * lib/xmalloc.c: New, from elsewhere.
3426 * lib/xstrdup.c: New, from elsewhere.
3427 * lib/Makefile.in: Distribute and compile them.
3429 * m4.c: Change progname to program_name.
3430 * builtin.c, eval.c, m4.c, m4.h: Rename error to m4error.
3431 * lib/error.c: New, from elsewhere.
3432 * lib/Makefile.in: Distribute and compile error.c.
3433 * configure.in: Check AC_VPRINTF and for strerror.
3434 * m4.c: Delete cmd_error. Use error instead.
3435 * m4.c: Change label capitalisation to "ERROR", "Warning", etc.
3437 * m4.h: Delete #define const, let Autoconf takes care of this.
3439 * m4.c: Remove all code conditionalized by IMPLEMENT_M4OPTS.
3440 Merge parse_args into main. Declare argv to be `char *const *',
3441 then remove superfluous casts.
3443 * m4.c: Rename --no-gnu-extensions to --traditional.
3444 Reported by Ben A. Mesander.
3446 * m4.c (usage): Add a status parameter. Supply one in various
3447 calls. Add --help processing. Remove -V for --version.
3449 * lib/Makefile.in: Put $(CFLAGS) last in .c.o rule.
3451 * lib/Makefile.in: Have an AR=ar declaration.
3452 Reported by Eric Backus.
3453 Reported by Bjorn R. Bjornsson.
3454 Reported by Tom Tromey.
3455 Reported by Kristine Lund.
3456 Reported by Marion Hakanson.
3458 Sat Oct 30 12:51:47 1993 Francois Pinard (pinard@icule)
3460 * Makefile.in (m4.info): Use -I$(srcdir) on $(MAKEINFO).
3461 Reported by Noah Friedman.
3463 Mon Oct 25 14:58:48 1993 Francois Pinard (pinard@icule)
3465 * Makefile.in: Remove MDEFINES and cleanup.
3467 Wed Jun 9 14:59:46 1993 Francois Pinard (pinard@icule)
3469 * Makefile.in (dist): Replace "echo `pwd`" by a mere "pwd".
3472 Sat Feb 6 14:59:22 1993 Francois Pinard (pinard@icule)
3474 * Makefile.in, lib/Makefile.in, check/Makefile.in: In dist goals,
3475 ensure 777 mode for directories, so older tar's will restore file
3478 Sun Jan 17 15:38:05 1993 Francois Pinard (pinard@icule)
3480 * Makefile.in, lib/Makefile.in: Put $(CFLAGS) after $(CPPFLAGS),
3481 so the installer can override automatically configured choices.
3482 Reported by Karl Berry.
3484 Fri Jan 15 16:07:00 1993 Francois Pinard (pinard@icule)
3486 * lib/vfprintf.c: Stolen from Oleo distribution and adapted. The
3487 previous version was not working properly on m68k-hp-bsd4.3.
3488 Reported by Roland McGrath.
3490 * lib/_doprnt.c: Stolen from Oleo distribution.
3491 * configure.in: Check for _doprnt.c if vfprintf.c selected.
3492 * lib/Makefile.in: Distribute _doprnt.c.
3493 Do not distribute regex.[ch].old anymore.
3495 Fri Jan 1 19:42:23 1993 Francois Pinard (pinard at icule)
3497 * Makefile.in, lib/Makefile.in: Reinstate $(CPPFLAGS), use it.
3498 Richard wants it there.
3500 Sun Dec 27 07:01:54 1992 Francois Pinard (pinard at icule)
3502 * Makefile.in: Add DEFS to MDEFINES.
3503 * lib/Makefile.in (.c.o): Remove $(CPPFLAGS).
3504 (libm4.a): Remove the library before creating it.
3505 (distclean): Remove tags and TAGS too.
3507 Wed Dec 23 12:46:55 1992 Francois Pinard (pinard at icule)
3509 * Makefile.in (dvi, m4.dvi): New goals.
3511 * builtin.c, eval.c, format.c, input.c, m4.[ch], m4.texinfo,
3512 macro.c, output.c, path.c, symtab.c: Change Copyright from
3513 1989-1992 to the explicit enumeration 1989, 1990, 1991, 1992.
3515 * examples/divert.m4: Deleted, this bug has been corrected.
3517 * Makefile.in (texclean, mostlyclean): New goals.
3519 * Makefile.in (clean): Remove clutter from ansi2knr.
3520 Reported by Pierre Gaumond.
3521 Reported by Greg A. Woods.
3523 Sun Dec 20 10:40:20 1992 Francois Pinard (pinard at icule)
3525 * Makefile.in: Remove $(CPPFLAGS) from the .c.o rule. The user
3526 might well use CFLAGS is s/he needs it.
3528 * Makefile.in: Allow installation of info files from a separate
3530 Reported by Jason Merrill.
3531 Reported by David MacKenzie.
3532 Reported by Skip Montanaro.
3533 Reported by Erez Zadok.
3534 Reported by Assar Westerlund.
3536 Sat Dec 19 08:21:34 1992 Francois Pinard (pinard at icule)
3539 This is still a beta release for the future GNU m4 version 1.1.
3541 * lib/alloca.c: New, from elsewhere.
3542 * lib/Makefile.in: Distribute it. Define and use $(ALLOCA).
3544 * m4.h: Do not define index/rindex if already defined. If
3545 FALSE/TRUE are already defined, do not redefine them, but merely
3546 define boolean typedef to int.
3548 * Makefile.in: Use $(DEFS) while compiling ansi2knr.
3549 * ansi2knr.c: Rewrite #ifdef HAVE_STRING_H || STDC_HEADERS,
3550 because some C compilers do not like connectives with #ifdef.
3551 * m4.h: Define `volatile' only if __GNUC__, instead of once for
3552 __GNUC__ and once for __STDC__.
3553 * lib/regex.h: Leave const alone, AC_CONST will take care of it.
3555 * checks/Makefile.in: Use .all_stamp instead of $(CHECKS) for
3556 Makefile dependencies. Without it, make keeps destroying and
3557 remaking $(CHECKS) in a loop (why?). Distribute .all_stamp.
3559 * m4.h, m4.c, builtin.c, output.c: Change all divertion/DIVERTION
3560 to diversion/DIVERSION, this was a spelling error.
3562 * m4.c: Declare version[], remove #include "version.h".
3563 * version.h: Deleted.
3564 * Makefile.in: Remove references to version.h.
3566 * output.c (shipout_text): Centralize all `#line NUM ["FILE"]'
3567 production, by using a simpler and more robust algorithm. This
3568 solves the problem of synclines sometimes written in the middle of
3569 an output line. Delete sync_line() and output_lines variable.
3570 * m4.h: Remove sync_line prototype and output_lines declaration.
3571 * input.c (next_char), output.c (shipout_text): Remove references
3573 * input.c (push_file, pop_file): Merely put the value -1 in
3574 output_current_line instead of calling sync_line, for delaying a
3575 single `#line NUM FILE' before next output line. Do not test
3576 for sync_output, because this is unnecessary clutter.
3577 * output.c (make_divertion, insert_divertion): Idem.
3578 * input.c: Rename must_advance_line to start_of_input_line, for
3581 * debug.c (trace_header): Select a new debug line format, which
3582 better complies with GNU standards for formatting error messages.
3583 With option `-dfl', M-x next-error might be used on the output.
3584 * m4.c (vmesg): Adjust format of error output to GNU standards.
3585 * m4.texinfo: Adjust examples for `make check' to work.
3587 * m4.h, builtin.c, debug.c, input.c, macro.c, path.c: Use upper
3588 case for enum debug_info constants, which were all lower case.
3590 * builtin.c (m4_regexp, m4_patsubst): Use re_search instead of
3592 * lib/regex.[ch]: Use new version from textutils 1.3.6, with some
3593 collected patches. I tried a few times using newer regex.[ch], it
3594 mysteriously stopped aborting with this one. Insecure feeling...
3595 * lib/Makefile.in: Distribute regex.[ch].old, just in case!
3597 Fri Dec 18 11:08:03 1992 Francois Pinard (pinard at icule)
3599 * m4.c: Change `--no-warnings' to `--silent'.
3600 Reported by David MacKenzie.
3602 * m4.c: Put all M4OPTS code upon IMPLEMENT_M4OPTS control, and
3603 leave it off for now. See comment in m4.c for justification.
3604 Reported by David MacKenzie.
3606 * configure.in: Replace AC_USG by AC_HAVE_HEADERS(string.h).
3607 * m4.h, ansi2knr.c, lib/regex.h: Replace USG by HAVE_STRING_H.
3609 * Makefile.in: Add a new `info' goal. Use macro MAKEINFO.
3611 * Makefile.in: Ensure recursive cleaning is done before local
3612 cleaning for all clean goals.
3614 * builtin.c (ntoa): Ensure the value is always interpreted as a
3615 signed quantity, whatever the radix is.
3617 Wed Nov 18 07:57:19 1992 Jim Meyering (meyering@idefix)
3619 * builtin.c, format.c, input.c: Split long lines.
3620 * m4.c: Use typedef macro_definition instead of struct
3622 * symtab.c: Use typedef symbol instead of struct symbol.
3624 Tue Nov 17 01:58:40 1992 Francois Pinard (pinard at icule)
3626 * *.[ch]: Remove all trailing whitespace, in code and comments.
3628 * configure.in: Find some awk.
3629 * Makefile.in: Add $(AWK) to MDEFINES.
3630 * checks/Makefile.in: Transmit $(AWK) to get_them.
3631 * checks/get_them: Use $AWK instead of gawk. Add a close in the
3632 awk script when switching files, because without this, mawk runs
3633 out of file descriptors.
3635 Mon Nov 16 20:42:56 1992 Francois Pinard (pinard at icule)
3637 * Makefile.in (realclean): Delete m4.info*.
3638 Reported by Jim Meyering.
3640 * Makefile.in: Adjust and link with checks/Makefile.
3641 * checks/Makefile.in: New.
3642 * configure.in: Output checks/Makefile.
3644 * checks/get_them: Have the dnl header of each test more
3645 recognizable by next-error, also use a better message.
3647 Mon Nov 16 07:48:52 1992 Jim Meyering (meyering@idefix)
3649 * m4.h [__GNUC__]: Use __volatile__ instead of `volatile.'
3650 And use that only if __GNUC__ since we're using it's GCC-specific
3651 semantics that tell the compiler the associated function doesn't
3654 * builtin.c (substitute): Don't use character as an array index.
3655 (dumpdef_cmp): Make formal arguments `const void *' to avoid
3656 warnings with gcc -W -Wall on systems with qsort prototype.
3657 (m4_errprint): Cast obstack_finish to `char *' to avoid warnings
3660 * eval.c (most functions): Add parentheses to assignments used
3661 as truth values go avoid warnings from gcc -Wall.
3663 * input.c, m4.c, output.c, path.c, symtab.c: Declare static
3664 any functions that don't need external scope.
3666 * builtin.c, debug.c, format.c, m4.c, m4.h, macro.c, symtab.c
3667 (many functions and arrays): Declare `const'.
3669 Sun Nov 15 09:42:09 1992 Francois Pinard (pinard at icule)
3671 * *.[ch]: Rename nil to NULL, using the declaration from <stdio.h>,
3672 removing the declaration from m4.h. Also rename false to FALSE
3675 * lib/Makefile.in (Makefile): New goal.
3677 * Makefile.in, lib/Makefile.in: Add a .c.o rule, so CFLAGS is not
3678 so heavily loaded. It gets more easily overridable, calling make.
3679 Reported by Jim Meyering.
3681 * Makefile.in (dist): Get .fname from the current directory name,
3682 instead of from version.h. I need updating many files manually,
3683 when the version changes, version.h is just one of them.
3685 Sat Nov 14 11:01:20 1992 Francois Pinard (pinard at icule)
3687 * m4.h: Remove the tag `boolean' on the enum introducing typedef
3688 `boolean'. This tag conflicts with <sys/types.h> on SVR4.
3689 Reported by Tom McConnell.
3691 Fri Nov 13 00:12:50 1992 Francois Pinard (pinard at icule)
3693 * m4.texinfo: Correct the examples for 33.divert, 38.divnum,
3694 39.cleardiv, which were describing missing or spurious newlines.
3695 Modify examples 52.eval, 53.esyscmd and 54.sysval so the results
3696 do not depend on machine word size, `/bin/false' implementation,
3697 or `wc' output format. `make check' is more dependable, now.
3699 * checks/check_them: Summarize the failed tests by listing their
3700 name, at end. If none, issue `All checks successful'. Output
3701 `Checking' instead of `Input file:'.
3703 * checks/get_them, checks/check_them: Reindented.
3705 * Makefile.in (dist): chmod a+r before making the tar file.
3707 Thu Nov 12 14:42:57 1992 Francois Pinard (pinard at icule)
3709 * builtin.c (m4_dnl): Diagnose any parameter to `dnl'.
3711 * input.c (next_token): Reinitialize token_buttom just after using
3712 it as a watermark with obstack_free. Or else, a future token, big
3713 enough for triggering reallocation of the obstack chunk, could
3714 void the initialized value of token_buttom, later causing panic in
3715 obstack_free. Rename token_buttom to token_bottom everywhere.
3717 * m4.h: Before declaring errno, first include <errno.h> and
3718 ensure that it does not define errno.
3719 Reported by Richard Stallman.
3721 Wed Nov 11 17:40:35 1992 Francois Pinard (pinard at icule)
3723 * builtin.c: Define and use DECLARE macro for builtins.
3725 * builtin.c (m4_ifelse): Avoid any diagnostic when exactly one
3726 argument, this is a common idiom for introducing long comments.
3728 * builtin.c (m4_ifelse): If 3n + 2 arguments, diagnose missing
3729 arguments. The last argument was silently ignored.
3731 * m4.c (cmd_error): Add a missing semicolon before va_end().
3733 Tue Nov 10 08:57:05 1992 Francois Pinard (pinard at icule)
3735 * Makefile.in: Now handle protoized sources. Define and use U.
3736 Compile and use ansi2knr with old compilers. Update DISTFILES.
3737 Add `aclocal.m4' to `configure' dependencies.
3738 * ansi2knr.c: New, from Ghostscript distribution.
3739 * configure.in: Define U through FP_PROTOTYPES for old compilers.
3740 Add AC_ISC_POSIX, AC_CONST, AC_SIZE_T.
3741 * aclocal.m4: New, provide FP_PROTOTYPES.
3742 * m4.h: Conditionnaly protoized through Args, save for varags.
3743 * builtin.c: Protoized. Then:
3744 Include <sys/types.h> if size_t is not defined, before "regex.h".
3745 (m4_ifelse): Fetch built-in name properly for diagnostic.
3746 (m4_dumpdef): Remove wrong (char *) cast calling dump_symbol.
3747 (m4_regexp): Add const to `msg' declaration.
3748 (m4_patsubst): Add const to `msg' declaration.
3749 * debug.c: Protoized, save for varargs.
3750 * eval.c: Protoized.
3751 * format.c: Protoized.
3752 * input.c: Protoized.
3753 * m4.c: Protoized, save for varargs. Then:
3754 (xfree): Accept void * instead of char *.
3755 (xmalloc): Return void * instead of char *.
3756 (xrealloc): Accept and return void * instead of char *.
3757 * macro.c: Protoized.
3758 * output.c: Protoized.
3759 * path.c: Protoized. Then cast some (char *) over xmalloc's.
3760 * symtab.c: Protoized.
3762 Fri Nov 6 02:05:21 1992 Francois Pinard (pinard at icule)
3764 * m4.texinfo: Remove directory from diagnostics in 30.include,
3765 51.eval, 56.errprint and 57.m4exit tests.
3767 * m4.h: Remove declarations for int or void system functions, they
3768 cause more conflicting trouble than they make good.
3770 * configure.in: Avoid configuration header file. Add some tests.
3771 * m4.h: Remove #include "config.h".
3772 * Makefile.in, lib/Makefile.in: Implement Autoconf interface.
3773 Then, rewritten for better compliance with GNU standards.
3775 Thu Nov 5 12:37:13 1992 Francois Pinard (pinard at icule)
3777 * format.c (format): Avoid syntax error if not HAVE_EFGCVT,
3778 because of a misplaced #endif.
3780 * Many *.[hc] files: Correct intra-line spacing here and there,
3781 according to GNU indent 1.6 advice.
3783 * configure.in: New, using Autoconf 1.2.
3784 * m4.h: Reverse NO_MEMORY_H to NEED_MEMORY_H.
3785 * Delete old configure.in, configure, etc/configure.in,
3786 etc/configure, lib/configure.in, lib/configure and config/*.
3787 Reported by Jason Merrill.
3789 * symtab.c (hash): Change (char) NULL to '\0'.
3790 Reported by Jason Merrill.
3792 * Delete .vers, etc/newdist.sh, etc/newvers.sh and
3793 etc/nextvers.sh. Release numbers will be edited `by hand'.
3794 * version.h: De-automatize, force value in.
3796 * m4.c: Changes in order to use a newer getopt.h.
3797 Reported by David MacKenzie.
3799 * checks/: New name for examples/.
3800 * checks/get_them: New location for etc/get_examples.
3801 * checks/check_them: New location for etc/check_examples.
3802 * Makefile.in, checks/get_them, checks/check_them: Adjust.
3803 * lib/vfprintf.c: New location for etc/vfprintf.c.
3804 * Delete empty etc/.
3805 * examples/: New name for test/.
3807 Tue Mar 10 00:29:46 1992 Francois Pinard (pinard at icule)
3809 * Makefile.in (check): Add m4 as dependency.
3811 * m4.c: Accept --no-warnings instead of --no_warnings, and
3812 --no-gnu-extensions instead of --no_gnu_extensions. Make the
3813 usage message more informative.
3814 Reported by David MacKenzie.
3816 Mon Mar 9 14:53:40 1992 Francois Pinard (pinard at icule)
3818 * etc/check_examples: New name for check_examples.sh.
3819 * etc/get_examples: New name for get_examples.sh.
3820 * Makefile.in, etc/Makefile.in: Use new names.
3822 * Makefile.in: Transmit $(CC) while making in lib.
3824 * Many *.[hc] files: GNU indent'ed, with further fine tuning of
3825 code disposition by hand.
3827 Sun Mar 8 11:01:55 1992 Francois Pinard (pinard at icule)
3829 * m4.h: Delete definitions for abort() and exit().
3830 Reported by Richard Stallman.
3832 * config/hmake-unicos, config/s-unicos.h: New files.
3833 Reported by Hal Peterson.
3835 * eval.c (exp_term): Have N^0 return 1.
3836 Reported by Michael Fetterman.
3838 * eval.c, input.c, m4.h: Remove last comma in enums.
3839 Reported by Mike Lijewski.
3841 * Transfer of maintenance duties from Rene' to Franc,ois.
3843 Thu Oct 24 15:18:46 1991 Rene' Seindal (seindal at diku.dk)
3845 * Release 1.0. Many thanks to those, who provided me with bug
3846 reports and feedback.
3848 * Uses GNU configure, taken from the gdb distribution.
3850 * Uses GNU getopt(), with long option names.
3852 * The -Q/+quiet option is added, which suppresses warnings about
3853 missing or superflous arguments to built-in macros.
3855 * Added default options via the M4OPTS environment variable.
3857 * The built-in format can now be configured to use sprintf as
3858 the formatting engine, for systems without [efg]cvt(3).
3860 * GNU library code is moved to the ./lib subdirectory; other
3861 utility files are now in ./etc.
3863 * Several minor bugs have been fixed.
3865 Fri Jul 26 15:28:42 1991 Rene' Seindal (seindal at diku.dk)
3867 * Fixed various bugs. Release 0.99, manual 0.09. Many thanks to
3868 Francois Pinard and Roland H. Pesch for providing me with reports.
3870 * The builtins incr and decr are now implemented without use of
3873 * The builtin indir is added, to allow for indirect macro calls
3874 (allows use of "illegal" macro names).
3876 * The debugging and tracing facilities has been enhanced
3877 considerably. See the manual for details.
3879 * The -tMACRO option is added, marks MACRO for tracing as soon
3882 * Builtins are traced after renaming iff they were before.
3884 * Named files can now be undiverted.
3886 * The -Nnum option can be used to increase the number of
3887 divertions available.
3889 * Calling changecom without arguments now disables all comment
3892 * The function m4_patsubst() is now consistently declared
3895 * A bug in dnl is fixed.
3897 * A bug in the multi-character quoting code is fixed.
3899 * Several typos in the manual has been corrected. More probably
3902 * The m4.info file is now installed along with the program.
3904 Thu Nov 15 21:51:06 1990 Rene' Seindal (seindal at diku.dk)
3906 * Updated and enhanced version. Release 0.75, manual 0.07.
3908 * Implemented search path for include files (-I option and
3909 M4PATH envronment variable).
3911 * Implemented builtin "format" for printf-like formatting.
3913 * Implemented builtin "regexp" for searching for regular
3916 * Implemented builtin "patsubst" for substitution with regular
3919 * Implemented builtin "esyscmd", which expands to a shell
3922 * Implemented "__file__" and "__line__" for use in error
3925 * Implemented character ranges in "translit".
3927 * Implemented control over debugging output.
3929 * Implemented multi-character quotes.
3931 * Implemented multi-character comment delimiters.
3933 * Changed predefined macro "gnu" to "__gnu__".
3935 * Changed predefined macro "unix" to "__unix__", when the -G
3936 option is not used. With -G, "unix" is still defined.
3938 * Changed "shift", "$@" and "$*" to not insert spaces afters
3941 * Added program name to error messages.
3943 * Fixed two missing null bytes bugs.
3945 Mon Jan 22 21:08:52 1990 Rene' Seindal (seindal at diku.dk)
3947 * Initial beta release. Release 0.50, manual 0.05.
3957 Copyright (C) 1990, 1991, 1992, 1993, 1994, 2000, 2001, 2003,
3958 2005, 2006, 2007 Free Software Foundation, Inc.
3960 Copying and distribution of this file, with or without
3961 modification, are permitted provided the copyright notice
3962 and this notice are preserved.