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106 Commits

Author SHA1 Message Date
Akim Demaille
d459a5b8e6 style: prefer snprintf to sprintf 
* src/symtab.c (dummy_symbol_get): There's no need for the buffer to
be so big and static.
Use snprintf for safety.
 2019-02-03 07:28:57 +01:00
Akim Demaille
41aaa8374c diagnostics: update the grammar file 
Let's use the fixits to actually update the grammar files.

* src/getargs.h, src/getargs.c (update_flag): New.
* src/fixits.h, src/fixits.c (fixits_run): New.
* src/main.c (main): Invoke fixits_run when --update is passed.
* tests/input.at (Deprecated directives): Check --update.
 2019-01-14 19:57:37 +01:00
Akim Demaille
ffe2e4aaec diagnostics: keep the fixits 
Introduce proper support for fixits, instead of just printing them on
demand.

* bootstrap.conf: We need gnulib's xlists.
* src/fixits.h, src/fixits.c: New.
* src/complain.c (deprecated_directive): Use fixits_register.
* src/main.c (main): Use fixits_free.
 2019-01-14 19:57:37 +01:00
Akim Demaille
2471733f1a package: bump copyrights to 2019 2019-01-05 14:58:05 +01:00
Akim Demaille
a4ede8f85b package: make bison a relocatable package 
Suggested by David Barto
https://lists.gnu.org/archive/html/help-bison/2015-02/msg00004.html
and Victor Zverovich.
https://lists.gnu.org/archive/html/bison-patches/2018-10/msg00121.html

This is very easy to do, thanks to work by Bruno Haible in gnulib.
See "Supporting Relocation" in gnulib's documentation.

* bootstrap.conf: We need relocatable-prog and relocatable-script (for yacc).

* src/yacc.in: New.
* configure.ac, src/local.mk: Instantiate it.
* src/main.c, src/output.c (main, pkgdatadir): Use relocatable2.

* doc/bison.texi (FAQ): Document it.
 2018-12-25 10:05:36 +01:00
Akim Demaille
bcecfbafab gnulib: update to use its bitsets 
Bison's bitset were moved to gnulib.

* lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
* lib/bitset.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
* lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c,
* lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h,
* lib/lbitset.h, lib/vbitset.c, lib/vbitset.h:
Remove.

* gnulib: Update.
* bootstrap.conf, lib/local.mk: Adjust.
 2018-11-26 06:33:45 +01:00
Akim Demaille
deb2fc1dfc gnulib: use conditional dependencies 
* bootstrap.conf: here.
 2018-11-25 19:57:08 +01:00
Akim Demaille
f84a8e96d1 gnulib: move timevar to it 
* lib/timevar.c, lib/timevar.h, m4/timevar.m4: Remove.
* gnulib: Update.
* configure.ac: Adjust.
* lib/timevar.def: Use lower case for the timevvars.
Adjust dependencies.
 2018-09-30 14:19:53 +02:00
Akim Demaille
8bc4348cc7 reader: simplify the search of the start symbol 
Suggested by Paul Eggert.

* src/reader.c (find_start_symbol): Don't check 'res', we know it is
not null.  That suffices to avoid the GCC warnings.
* bootstrap.conf: We don't need 'assume', which doesn't exist anyway.
 2018-08-17 06:22:47 +02:00
Akim Demaille
7783ba2d4f fix incorrect C code 
Commit 3df32101e7 introduced invalid C
code.  Caught by GCC 7.3.0.

* bootstrap.conf (gnulib_modules): We need assume.
* src/reader.c (find_start_symbol): Fix the signature (too much C++,
sorry...).
Prefer 'assume' to 'assert', so that we don't have these warnings even
when NDEBUG is defined.
 2018-08-15 14:39:46 +02:00
Akim Demaille
c8dc9a8f51 gnulib: update 
* bootstrap.conf: gnulib_mk is defined again by bootstrap.
 2018-08-12 11:23:38 +02:00
Akim Demaille
2e9e591889 Update copyright years 
Run `make update-copyright`.
 2018-05-12 18:18:41 +02:00
Akim Demaille
76bd8a6b4a gnulib: update 
* README-hacking: Commit before bootstrapping.
* bootstrap.conf: gnulib_mk is no longer defined by bootstrap.
* bootstrap, gnulib, lib/.gitignore, m4/.gitignore: Update/regen.
 2018-05-08 12:35:06 +02:00
Akim Demaille
88ffc4b907 gnulib: strtoul is considered obsolete and now useless 
* bootstrap.conf: here.
 2015-01-15 17:26:32 +01:00
Akim Demaille
3209eb1c4c package: bump to 2015 
Which also requires:

* gnulib: Update.
 2015-01-04 17:49:13 +01:00
Akim Demaille
fc51acddb4 package: bump to 2014 
* AUTHORS, ChangeLog-2012, Makefile.am, NEWS, PACKAGING, README,
* README-alpha, README-hacking, THANKS, TODO, bootstrap.conf,
* build-aux/darwin11.4.0.valgrind, build-aux/local.mk,
* build-aux/update-b4-copyright,
* build-aux/update-package-copyright-year, cfg.mk, configure.ac,
* data/README, data/bison.m4, data/c++-skel.m4, data/c++.m4,
* data/c-like.m4, data/c-skel.m4, data/c.m4, data/glr.c, data/glr.cc,
* data/java-skel.m4, data/java.m4, data/lalr1.cc, data/lalr1.java,
* data/local.mk, data/location.cc, data/stack.hh, data/variant.hh,
* data/xslt/bison.xsl, data/xslt/xml2dot.xsl, data/xslt/xml2text.xsl,
* data/xslt/xml2xhtml.xsl, data/yacc.c, djgpp/Makefile.maint,
* djgpp/README.in, djgpp/config.bat, djgpp/config.sed,
* djgpp/config.site, djgpp/config_h.sed, djgpp/djunpack.bat,
* djgpp/local.mk, djgpp/subpipe.c, djgpp/subpipe.h,
* djgpp/testsuite.sed, doc/bison.texi, doc/local.mk, doc/refcard.tex,
* etc/README, etc/bench.pl.in, etc/local.mk,
* examples/calc++/calc++.test, examples/calc++/local.mk,
* examples/extexi, examples/local.mk, examples/mfcalc/local.mk,
* examples/mfcalc/mfcalc.test, examples/rpcalc/local.mk,
* examples/rpcalc/rpcalc.test, examples/test, examples/variant.yy,
* lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
* lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
* lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
* lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
* lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
* lib/local.mk, lib/main.c, lib/timevar.c, lib/timevar.def,
* lib/timevar.h, lib/vbitset.c, lib/vbitset.h, lib/yyerror.c,
* m4/bison-i18n.m4, m4/c-working.m4, m4/cxx.m4, m4/flex.m4,
* m4/timevar.m4, src/AnnotationList.c, src/AnnotationList.h,
* src/InadequacyList.c, src/InadequacyList.h, src/LR0.c, src/LR0.h,
* src/Sbitset.c, src/Sbitset.h, src/assoc.c, src/assoc.h,
* src/closure.c, src/closure.h, src/complain.c, src/complain.h,
* src/conflicts.c, src/conflicts.h, src/derives.c, src/derives.h,
* src/files.c, src/files.h, src/flex-scanner.h, src/getargs.c,
* src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c,
* src/graphviz.h, src/ielr.c, src/ielr.h, src/lalr.c, src/lalr.h,
* src/local.mk, src/location.c, src/location.h, src/main.c,
* src/muscle-tab.c, src/muscle-tab.h, src/named-ref.c,
* src/named-ref.h, src/nullable.c, src/nullable.h, src/output.c,
* src/output.h, src/parse-gram.c, src/parse-gram.y, src/print-xml.c,
* src/print-xml.h, src/print.c, src/print.h, src/print_graph.c,
* src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
* src/reduce.h, src/relation.c, src/relation.h, src/scan-code.h,
* src/scan-code.l, src/scan-gram.h, src/scan-gram.l, src/scan-skel.h,
* src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
* src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
* src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
* tests/actions.at, tests/atlocal.in, tests/bison.in, tests/c++.at,
* tests/calc.at, tests/conflicts.at, tests/cxx-type.at,
* tests/existing.at, tests/glr-regression.at, tests/headers.at,
* tests/input.at, tests/java.at, tests/javapush.at, tests/local.at,
* tests/local.mk, tests/named-refs.at, tests/output.at, tests/push.at,
* tests/reduce.at, tests/regression.at, tests/sets.at,
* tests/skeletons.at, tests/synclines.at, tests/testsuite.at,
* tests/torture.at, tests/types.at:
here.
 2014-02-03 15:27:02 +01:00
Akim Demaille
461983270c output: do not generate source files when late errors are caught 
Reported by Alexandre Duret-Lutz as "second problem" in:
http://lists.gnu.org/archive/html/bug-bison/2013-09/msg00015.html

* bootstrap.conf: We need the "unlink" module.
* src/files.h, src/files.c (unlink_generated_sources): New.
* src/output.c: Use it.
* tests/output.at: Check the case of late errors.
 2013-12-04 15:53:01 +01:00
Akim Demaille
7d6bad1959 maint: update copyright years 
Suggested by Stefano Lattarini.
Run "make update-copyright".
 2013-01-12 16:14:16 +01:00
Theophile Ranquet
432a008d34 carets: properly display when no line feed is present 
* src/location.c (location_caret): finish the line with one whether or not it
is present in input. Rewrite code without getline.
(cleanup_caret): Reset the caret_info global.
* bootstrap.conf: No longer require getline.
 2012-12-27 17:57:03 +01:00
Theophile Ranquet
f3ead217b8 Merge remote-tracking branch 'origin/maint' 
* origin/maint:
  misc: pacify the Tiny C Compiler
  cpp: make the check of Flex version portable
  misc: require getline
  c++: support wide strings for file names
  doc: document carets
  tests: enhance existing tests with carets
  errors: show carets
  getargs: add support for --flags/-f

Conflicts:
	doc/bison.texi
	m4/.gitignore
	src/complain.c
	src/flex-scanner.h
	src/getargs.c
	src/getargs.h
	src/gram.c
	src/main.c
	tests/headers.at
 2012-12-06 13:38:43 +01:00
Theophile Ranquet
e35cd6def7 misc: require getline 
* bootstrap.conf: Here, used by src/location.c.
* src/getargs.c (long_options): Rename --flags to --feature.
 2012-12-05 15:39:52 +01:00
Theophile Ranquet
b999409e09 errors: pointerize complain_at_indent 
* src/complain.c (complain_at_indent): Rename as...
(complaint_indent): This, and take the location as a pointer.
* src/complain.h, src/muscle-tab.c, src/reader.c, src/scan-code.l,
src/symtab.c: Adjust.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
 2012-10-04 17:13:37 +02:00
Akim Demaille
9ec79612e8 build: use gnulib's non-recursive-gnulib-prefix-hack 
Suggested by Jim Meyering.

* etc/prefix-gnulib-mk: Remove, as it is now provided by...
* bootstrap.conf (modules): the non-recursive-gnulib-prefix-hack module.
* build-aux/.gitignore, configure.ac, m4/.gitignore: Adjust.
 2012-10-01 17:42:39 +02:00
Theophile Ranquet
bb8e56ff67 warnings: fusion of complain and complain_at 
These functions are very similar, and keeping them seperate makes
future improvements difficult, so merge them.

This impacts 89 calls.

* src/bootstrap.conf: Adjust.
* src/complain.c (complain, complain_at): Merge into...
(complain): this.
(complain_args): Adjust.
* src/complain.h, src/conflicts.c, src/files.c, src/getargs.c,
* src/gram.c, src/location.c, src/muscle-tab.c, src/parse-gram.y,
* src/reader.c, src/reduce.c, src/scan-code.l, src/scan-gram.l,
* src/scan-skel.l, src/symlist.c, src/symtab.c:
Adjust.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
 2012-10-01 14:15:47 +02:00
Akim Demaille
cb9ec4fada Merge branch 'maint' 
* maint:
  use obstack_printf
  scanner: restore a missing start condition
  gnulib: update
  maint: post-release administrivia
  version 2.6.1
  gnulib: update
  maint: fix some syntax-check issues
  tests: do not depend on __cplusplus to decide for C++ or C output

Conflicts:
	NEWS
	bootstrap.conf
	cfg.mk
	lib/.gitignore
 2012-07-31 12:03:55 +02:00
Akim Demaille
aaf63e45b6 use obstack_printf 
This is not just nicer, it is also much safer, since we were
using sprintf...

* bootstrap.conf: Require it.
* src/system.h (obstack_fgrow1, obstack_fgrow2, obstack_fgrow3)
(obstack_fgrow4): Remove.
Adjust dependencies.
 2012-07-31 10:50:06 +02:00
Victor Santet
6fb8b25619 warnings: factoring: complaints 
* src/complain.c (error_message): Accept warning categories (an integer) as
argument.
Location is a 'const location *' instead of 'location *'.
(ERROR_MESSAGE): Delete it.
* src/complain.c, src/complain.h (complains): New function.
(complain, complain_at, complain_at_indent): Generic functions for
complaints. Call 'complains'.
(warn_at, warn_at_indent, warn, yacc_at, midrule_value_at)
(fatal_at, fatal): Delete them. Adjust dependencies.
* src/complain.h (enum warnings): New fields 'complaint' and 'fatal'.
* bootstrap.conf (XGETTEXT_OPTIONS): Adjust.
 2012-06-28 17:18:45 +02:00
Akim Demaille
9ce27ab013 Merge remote-tracking branch 'origin/maint' 
* origin/maint:
  skeletons: factor yacc.c and glr.c.
  glr.c: minor refactoring.
  tests: remove all the -On flags.
  maint: fix spello.
  maint: improve release procedure instructions.
  gnulib: update readme-release.
  maint: cfg.mk: manual title.
  maint: cfg.mk: simplify
  maint: post-release administrivia

Conflicts:
	NEWS
	bootstrap.conf
 2012-06-13 21:03:29 +02:00
Akim Demaille
6733d02476 maint: improve release procedure instructions. 
* gnulib: Update, in particular (README-release).
* bootstrap.conf: don't require gendocs, provided by gnu-web-doc-update,
provided by readme-release.
* README-hacking: Update accordingly.
 2012-06-12 14:49:15 +02:00
Akim Demaille
cc9fb4f6b6 gnulib: update readme-release. 
* gnulib (readme-release): Now includes the modules it promotes.
* bootstrap.conf: Simplify accordingly.
 2012-06-07 11:15:04 +02:00
Akim Demaille
84526bf3d1 maint: don't use mbsr?chr. 
Basically, revert ba60c39547a445dee3e07920931b4d7a81843868's move to
mbs* functions, which was prompted by -DGNULIB_POSIXCHECK.  See
<http://lists.gnu.org/archive/html/bison-patches/2012-05/msg00052.html>
and following.

* bootstrap.conf: No longer ask for them.
* src/files.c, src/getargs.c, src/location.c,
* src/parse-gram.c, src/parse-gram.y, src/scan-gram.l,
* src/symtab.c: s/mbs(r?chr)/str$1/g.
 2012-06-05 17:55:24 +02:00
Akim Demaille
d9a7c07c5a maint: use xconcat-filename. 
* bootstrap.conf (gnulib_modules): Request it.
* src/output.h, src/output.c (compute_pkgdatadir): Rename as...
(pkgdatadir): this.
Adjust dependencies.
* src/output.c (output_skeleton): Reduce the scope of "in".
Use xconcatenated_filename to simplify the construction of the
qualified paths to m4sugar.m4, bison.m4, and the selected skeleton.
There are a few minor differences: the new code uses strchr instead of
mbschr (but this was not really justified), and the new code does not
garantee a single slash even if $BISON_PKGDATADIR ends with several
(which was considered more accurate).  See the discussion at
<http://lists.gnu.org/archive/html/bison-patches/2012-05/msg00052.html>.
 2012-06-05 17:34:57 +02:00
Akim Demaille
527187137a Merge remote-tracking branch 'origin/maint' 
* origin/maint:
  version 2.5.1
  NEWS: prepare for 2.5.1.
  maint: update release procedure
  maint: fix comment typos
  maint: post-release administrivia

Conflicts:
	NEWS
 2012-06-05 14:07:43 +02:00
Akim Demaille
4d4777c786 maint: update release procedure 
* bootstrap.conf: Request do-release-commit-and-tag and readme-release.
* README-hacking: Adjust.
 2012-06-05 09:24:43 +02:00
Akim Demaille
c547693afd Merge tag 'v2.5.1_rc2' 
Bison 2.5.1_rc2.

* tag 'v2.5.1_rc2': (34 commits)
  Bison 2.5.1_rc2.
  doc: fixes.
  build: fix ChangeLog generation.
  c++: compute the header guards.
  skeletons: remove support for unused directive.
  lalr1.cc: improve Doxygen documentation.
  lalr1.cc: extract stack.hh.
  news: convert to double quotes.
  space changes.
  build: do not prototype flex-generated functions.
  build: fix ChangeLog generation.
  Bison 2.5.1_rc1.
  tests: save/restore Autotest special files when checking XML support.
  tests: AT_SAVE_SPECIAL_FILES / AT_RESTORE_SPECIAL_FILES.
  tests: honor TESTSUITEFLAGS in all the check targets.
  build: do not enable c++ warnings on 0 when nullptr is not supported.
  maint: update gnulib.
  build: config.in.h.
  build: move silent rules.
  glr.c: reduce variable scopes.
  maint: maintainer-release-check.
  maint: shush a syntax-check.
  maint: prefer "commit message" to "log entry".
  command line: fix minor leaks.
  maint: we no longer maintain the ChangeLog.
  maint: fix the generation of the synclines for bison's parser.
  maint: regen.
  maint: import the xmemdup0 gnulib module.
  maint: remove left-over gnulib modules.
  maint: ignore files imported by autopoint.
  build: AC_PROG_LEX: use more readable variable names.
  maint: regen src/parse-gram.[ch]
  maint: simplify parse-gram.y
  maint: s/strncpy/memcpy/, when equivalent

Conflicts:
	Makefile.am
	NEWS
	data/glr.c
	data/lalr1.cc
	data/stack.hh
	examples/rpcalc/local.mk
	src/flex-scanner.h
	src/getargs.c
	src/output.c
	src/parse-gram.c
	src/parse-gram.h
	src/parse-gram.y
	tests/Makefile.am
	tests/bison.in
 2012-05-24 13:54:55 +02:00
Akim Demaille
e54ec80c0c maint: import the xmemdup0 gnulib module. 
* bootstrap.conf: Require this module.
* src/parse-gram.y: Include xmemdup0.h.
 2012-05-06 10:20:43 +02:00
Akim Demaille
85557aa1cb maint: remove left-over gnulib modules. 
* bootstrap.conf (gnulib_modules): Remove pipe-posix.
* lib/.gitignore, m4/.gitignore: Remove files that we no longer use.
 2012-05-06 10:08:18 +02:00
Akim Demaille
72cd9a913f Merge remote-tracking branch 'origin/maint' 
* origin/maint: (22 commits)
  tests: ignore code coverage/profiling failure messages
  doc: fix some invalid @ref.
  build: fix previous commit.
  install-pdf: fix.
  NEWS: Update.
  %printer: support both yyo and yyoutput.
  doc: mfcalc: demonstrate %printer.
  tests: style changes.
  build: require Flex.
  build: flex.m4: check for Flex.
  build: flex.m4: quote properly.
  build: flex.m4.
  build: autoconf: update.
  glr: eliminate last bits of unwanted locations.
  NEWS: 2.6 will drop K&R.
  TODO: remove dead items.
  TODO: import from master.
  gnulib: update.
  maint: update NEWS.
  doc: fix index.
  doc: fix documentation of YYERROR.
  c++: more YY_NULL

Conflicts:
	TODO
	bootstrap
	data/c.m4
	data/glr.c
	data/lalr1.cc
	doc/bison.texinfo
 2012-05-04 14:38:53 +02:00
Akim Demaille
163bb3698f gnulib: update. 
* bootstrap.conf (bootstrap_sync): True again.
It was disabled while waiting for changes to be integrated
in gnulib's bootstrap, which was done long ago.
* bootstrap, gnulib: Update.
 2012-04-07 14:57:03 +02:00
Akim Demaille
da209f943b tests: fix regressions. 
Exit status 63 is documented for version-mismatch.
	* bootstrap.conf (gnulib_modules): Remove sysexits.
	* src/system.h (EX_MISMATCH): Define.
	* src/parse-gram.y (version_check): Use it instead of EX_CONFIG.

Missing includes.
	* tests/calc.at, tests/named-refs.at: Include assert.h.
(cherry picked from commit 459a57a90f)
 2012-02-23 16:10:08 +01:00
Akim Demaille
459a57a90f tests: fix regressions. 
Exit status 63 is documented for version-mismatch.
	* bootstrap.conf (gnulib_modules): Remove sysexits.
	* src/system.h (EX_MISMATCH): Define.
	* src/parse-gram.y (version_check): Use it instead of EX_CONFIG.

Missing includes.
	* tests/calc.at, tests/named-refs.at: Include assert.h.
 2012-02-21 15:42:13 +01:00
Akim Demaille
a055b2f07d maint: address sc_bindtextdomain, sc_program_name and sc_prohibit_HAVE_MBRTOWC. 
* bootstrap.conf (gnulib_modules): Require progname.
	* src/complain.c, src/getargs.c, src/getargs.h, src/main.c: Use it.
	* cfg.mk (exclude): New.
	Use it.
	Skip lib/main.c for bindtextdomain and set_program_name.
(cherry picked from commit 4d699f44e6)

Conflicts:

	cfg.mk
 2012-02-19 18:24:17 +01:00
Akim Demaille
4d699f44e6 maint: address sc_bindtextdomain, sc_program_name and sc_prohibit_HAVE_MBRTOWC. 
* bootstrap.conf (gnulib_modules): Require progname.
	* src/complain.c, src/getargs.c, src/getargs.h, src/main.c: Use it.
	* cfg.mk (exclude): New.
	Use it.
	Skip lib/main.c for bindtextdomain and set_program_name.
 2012-02-19 12:31:10 +01:00
Akim Demaille
dd5611579b maint: avoid "magic number exit". 
* cfg.mk (local-checks-to-skip): No longer skip it.
	* bootstrap.conf (gnulib_modules): Add sysexits.
	* doc/bison.texinfo, etc/bench.pl.in, src/parse-gram.y,
	* src/system.h, tests/calc.at, tests/named-refs.at: Use assert
	where appropriate instead of "if (...) exit".
	Use symbolic exit status elsewhere.

Conflicts:

	doc/bison.texinfo
	src/parse-gram.y
 2012-02-19 10:21:06 +01:00
Akim Demaille
d0f2b7f856 maint: avoid "magic number exit". 
* cfg.mk (local-checks-to-skip): No longer skip it.
	* bootstrap.conf (gnulib_modules): Add sysexits.
	* doc/bison.texinfo, etc/bench.pl.in, src/parse-gram.y,
	* src/system.h, tests/calc.at, tests/named-refs.at: Use assert
	where appropriate instead of "if (...) exit".
	Use symbolic exit status elsewhere.
 2012-02-18 19:32:18 +01:00
Jim Meyering
e187b40d31 do not ignore errors like ENOSPC,EIO when writing to stdout 
Standard output was never explicitly closed, so we could not
detect failure.  Thus, bison would ignore the errors of writing
to a full file system and getting an I/O error on write, but only
for standard output, e.g., for --print-localedir, --print-datadir,
--help and some verbose output.
Now, "bison --print-datadir > /dev/full" reports the write failure:
bison: write error: No space left on device
Before, it would exit 0 with no diagnostic, implying success.
This is not an issue for "--output=-" or the other FILE-accepting
command-line options, because unlike most other GNU programs,
an output file argument of "-" is treated as the literal "./-",
rather than standard output.
* bootstrap.conf (gnulib_modules): Add closeout.
* src/main.c: Include "closeout.h".
Use atexit to ensure we close stdout.
* .gitignore: Ignore new files pulled in via gnulib-tool.
(cherry picked from commit acb5895680)

Conflicts:

	m4/.gitignore
 2012-01-31 09:26:08 +01:00
Jim Meyering
acb5895680 do not ignore errors like ENOSPC,EIO when writing to stdout 
Standard output was never explicitly closed, so we could not
detect failure.  Thus, bison would ignore the errors of writing
to a full file system and getting an I/O error on write, but only
for standard output, e.g., for --print-localedir, --print-datadir,
--help and some verbose output.
Now, "bison --print-datadir > /dev/full" reports the write failure:
bison: write error: No space left on device
Before, it would exit 0 with no diagnostic, implying success.
This is not an issue for "--output=-" or the other FILE-accepting
command-line options, because unlike most other GNU programs,
an output file argument of "-" is treated as the literal "./-",
rather than standard output.
* bootstrap.conf (gnulib_modules): Add closeout.
* src/main.c: Include "closeout.h".
Use atexit to ensure we close stdout.
* .gitignore: Ignore new files pulled in via gnulib-tool.
 2012-01-29 21:19:20 +01:00
Jim Meyering
b359704747 maint: generate ChangeLog from git log 
* Makefile.am (gen-ChangeLog): New rule.
(dist-hook): Depend on it.
(EXTRA_DIST): Distribute the two ChangeLog-* files.
* bootstrap.conf (gnulib_modules): Add gitlog-to-changelog.
(bootstrap_post_import_hook): Ensure that ChangeLog exists.
* build-aux/git-log-fix: New file.
* ChangeLog-2012: Renamed ...
* ChangeLog: ... from this.
* ChangeLog-1998: Renamed ...
* OChangeLog: ...from this
* .gitignore: Add ChangeLog.
(cherry picked from commit 5ef4a3c71c)

Conflicts:

	Makefile.am
	bootstrap.conf
	build-aux/.gitignore
 2012-01-24 19:58:18 +01:00
Jim Meyering
ee7e9e3b66 build: manually update bootstrap from gnulib, and adapt 
Updating to the latest bootstrap from gnulib involves more of a
change than usual, and updating to the latest gnulib would involve
its own set of challenges with the upcoming quoting changes, so
we update bootstrap manually and separately.
* bootstrap: Update from gnulib.
* lib/Makefile.am: Initialize more variables to empty, so that gnulib.mk
can append to them with "+=".
* bootstrap.conf (gnulib_mk_hook): Remove.  No longer honored.
(gnulib_tool_option_extras): Generate gnulib.mk.
(cherry picked from commit 85ad742d4e)

Conflicts:

	Makefile.am
	bootstrap.conf
	etc/prefix-gnulib-mk
 2012-01-23 13:33:00 +01:00
Jim Meyering
219139f521 build: generalize etc/prefix-gnulib-mk 
This script hard-coded "libbison" and lib/gnulib.mk.
Adjust the script to require a --lib-name=$gnulib_name option
and a FILE argument like lib/$gnulib_mk.
Also add support for --help and --version.
* etc/prefix-gnulib-mk: Generalize.
* bootstrap.conf (bootstrap_post_import_hook): Update its invocation.
 2012-01-23 09:43:19 +01:00