+2006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
+ mid-rule action inside a nonterminal symbol in order to declare a
+ destructor for its semantic value.
+
+2006-02-16 Paul Eggert <eggert@cs.ucla.edu>
+
+ * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
+ YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
+ __cplusplus && ! defined _STDLIB_H && !
+ ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
+ defined free))]: Include <stdlib.h> rather than rolling our own
+ declarations of malloc and free, to avoid problems with
+ incompatible declarations (using 'throw') C++'s stdlib.h. This
+ should fix Debian bug 340012
+ <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
+ reported by Guillaume Melquiond.
+
+2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
+
+ * NEWS: Clarify symbols versus types in unused-value warnings.
+
+ * configure.ac (AC_INIT): Bump version number.
+
+2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
+
+ * NEWS: Version 2.1a.
+ * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
+ since C99 requires this.
+
+2006-02-11 Paul Eggert <eggert@cs.ucla.edu>
+
+ * m4/c-working.m4: New file.
+ * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
+
+2006-02-10 Paul Eggert <eggert@cs.ucla.edu>
+
+ * Makefile.maint: Merge from coreutils.
+
+2006-02-09 Paul Eggert <eggert@cs.ucla.edu>
+
+ More portability fixes for problems summarized by Nelson H. F. Beebe.
+
+ * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
+ configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
+ CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
+ LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
+ messes up because C++ code is compiled in 32-bit mode but linked
+ in 64-bit mode.
+
+2006-02-08 Paul Eggert <eggert@cs.ucla.edu>
+
+ More portability fixes for problems summarized by Nelson H. F. Beebe.
+
+ * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
+ 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
+
+ * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
+ nodist_PROGRAMS, since we don't need to actually compile the
+ example if we're just doing a plain 'make'. This avoids bothering
+ the installer unnecessarily about problems due to weird C++
+ compilers.
+
+2006-02-06 Paul Eggert <eggert@cs.ucla.edu>
+
+ More portability fixes for problems summarized by Nelson H. F. Beebe.
+
+ * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
+ than #include "...", and compile with -I'.'. The old method was
+ not portable, according to Posix and the C standard, and it does
+ not work with Sun C 5.7, where previous #line directives affect
+ the working directory used in later #include "..." directives.
+
+2006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
+
+ Various DJGGP specific issues in /djgpp
+
+2006-02-02 Paul Eggert <eggert@cs.ucla.edu>
+
+ More portability fixes for problems summarized by Nelson H. F. Beebe.
+
+ * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
+ '#include <map>' works and that you can apply ++ to iterators.
+
+2006-02-01 Paul Eggert <eggert@cs.ucla.edu>
+
+ Work around portability problems summarized by Nelson H. F. Beebe in
+ <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
+
+ * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
+ that '#include <string>' works.
+
+ * data/lalr1.cc (yytranslate_): No longer inline, to work around a
+ porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
+ "warning: sorry: semantics of inline function static data `const
+ unsigned char translate_table[262]' are wrong (you'll wind up with
+ multiple copies)".
+
+ * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
+ or, xor to not_, and_, or_, and xor_, respectively. This works
+ around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
+ random system header somewhere that includes the equivalent of
+ <iso646.h>.
+
+ * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
+ -E" works; it apparently doesn't work with PathScale EKO Compiler
+ Suite Version 2.0.
+
+2006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ During deterministic GLR operation, user actions should be able to
+ influence the parse by changing yychar. To make this easier to fix and
+ to make glr.c easier to evolve in general, don't maintain yytoken in
+ parallel with yychar; just compute yytoken when needed.
+ * tests/glr-regression.at (Incorrect lookahead during deterministic
+ GLR): Check that setting yychar in a user action has the intended
+ effect.
+ * data/glr.c (yyGLRStack): Remove yytokenp member.
+ (yyclearin): Don't set *yytokenp.
+ (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
+ yychar rather than *yytokenp to determine the current lookahead.
+ Compute yytoken locally when needed.
+ (yyparse): Likewise. Remove the local yytoken that yytokenp used to
+ point to.
+
+ * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
+ after `--report' documentation.
+
+2006-01-30 Paul Eggert <eggert@cs.ucla.edu>
+
+ * src/parse-gram.y (grammar_declaration): Location of printer
+ symbol is @1, not list->location. Bug reported by twlevo.
+ * tests/input.at (Incompatible Aliases): Adjust to above change.
+
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