build: avoid warnings about set-but-not-used variables

[bison.git] / ChangeLog

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+2012-01-06  Jim Meyering  <meyering@redhat.com>
+
+       build: avoid warnings about set-but-not-used variables
+       * lib/bitset_stats.c (bitset_stats_list): Remove declaration
+       and set of unused local, "type".
+       * lib/ebitset.c (ebitset_init): Likewise, for "size".
+       * lib/lbitset.c (lbitset_not): Likewise, for "elt".
+
+2011-08-21  Joel E. Denny  <joeldenny@joeldenny.org>
+
+       tests: add -pedantic for --enable-gcc-warnings.
+       This should help to avoid some portability problems.  For example,
+       it would have revealed the empty unions fixed by the last patch
+       * configure.ac (WARN_CFLAGS_TESTS, WARN_CXXFLAGS_TEST): Implement.
+       * tests/synclines.at (AT_TEST_SYNCLINE): Avoid -pedantic warning
+       about an empty translation unit.
+
+2011-08-21  Joel E. Denny  <joeldenny@joeldenny.org>
+
+       tests: fix empty unions.
+       Empty unions are not accepted by the ISO C99 grammar or by at
+       least some versions of Sun Studio.  Reported by Wolfgang S. Kechel
+       at
+       <http://lists.gnu.org/archive/html/bug-bison/2011-08/msg00003.html>.
+       * NEWS (2.5.1): Document fix.
+       * THANKS (Wolfgang S. Kechel): Add.
+       * tests/existing.at (GNU Cim Grammar)
+       (GNU pic (Groff 1.18.1) Grammar.): Remove empty %union.
+
+2011-07-10  Joel E. Denny  <joeldenny@joeldenny.org>
+
+       build: avoid YACC typo inherited from Autoconf.
+       The typo shows up in the `configure --help' output.  Reported by
+       W.C.A. Wijngaards and Paul Eggert at
+       <http://lists.gnu.org/archive/html/bug-bison/2011-07/msg00000.html>.
+       * README-hacking (Release Procedure): Remind about updating
+       maintainer tools before a release.
+       * THANKS (W.C.A. Wijngaards): Add.
+       * configure.ac (AC_PREREQ): Set to 2.68, which fixes the YACC
+       typo.
+
 2011-07-10  Joel E. Denny  <joeldenny@joeldenny.org>
 
        build: create xz instead of bzip2 tarballs.