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intl: Unbreak intl build with bison 3 when no regeneration is needed [PR92008]
As Iain reported, my change broke the case when one has bison >= 3,
but make decides there is no reason to regenerate plural.c, unfortunately
that seems to be a scenario I haven't tested. The problem is that
the pregenerated plural.c has been generated with bison 1.35, but when
config.h says HAVE_BISON3, the code assumes it is the bison3 variant.
What used to work fine is when one has bison >= 3 and plural.c has been
regenerated (e.g. do touch intl/plural.y and it will work), or when
one doesn't have any bison (then nothing is regenerated, but HAVE_BISON3
isn't defined either), or when one has bison < 3 and doesn't need to
regenerate, or when one has bison < 3 and it is regenerated.
The following patch fixes this, by killing the HAVE_BISON3 macro from
config.h, and instead remembering the fact whether plural.c has been created
with bison < 3 or bison >= 3 in a separate new plural-config.h header.
The way this works:
- user doesn't have bison
- user has bison >= 3, but intl/{plural-config.h,plural.c} aren't older than intl/plural.y
- user has bison < 3, but intl/{plural-config.h,plural.c} aren't older than intl/plural.y
pregenerated !USE_BISON3 plural.c and plural-config.h from source
dir is used, nothing in the objdir
- user has bison >= 3 and intl/plural.y is newer
Makefile generates plural.c and USE_BISON3 plural-config.h in the
objdir, which is then used in preference to srcdir copies
- user has bison < 3 and intl/plural.y is newer
Makefile generates plural.c and !USE_BISON3 plural-config.h in the
objdir, which is then used in preference to srcdir copies
I have tested all these cases and make all-yes worked in all the cases.
If one uses the unsupported ./configure where srcdir == objdir, I guess
(though haven't tested) that it should still work, just it would be nice
if such people didn't try to check in the plural{.c,-config.h} they have
regenerated.
What doesn't work, but didn't work before either (just tested gcc-9 branch
too) is when one doesn't have bison and plural.y is newer than plural.c.
Don't do that ;)
2020-04-16 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/92008
intl/
* configure.ac: Remove HAVE_BISON3 AC_DEFINE.
* Makefile.in (HEADERS): Add plural-config.h.
(.y.c): Also create plural-config.h.
(dcigettext.o loadmsgcat.o plural.o plural-exp.o): Also depend
on plural-config.h.
(plural-config.h): Depend on plural.c.
* plural-exp.h: Include plural-config.h. Use USE_BISON3 instead
of HAVE_BISON3.
* plural.y: Use USE_BISON3 instead of HAVE_BISON3.
* configure: Regenerated.
* plural.c: Regenerated.
* config.h.in: Regenerated.
* plural-config.h: Generated.
contrib/
* gcc_update: Add intl/plural.y dependency for intl/plural-config.h.
This commit is contained in:
Jakub Jelinek
parent
bd87b1fddb
commit
437eea66a4
@ -1,3 +1,8 @@
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2020-04-16 Jakub Jelinek <jakub@redhat.com>
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PR bootstrap/92008
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* gcc_update: Add intl/plural.y dependency for intl/plural-config.h.
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2020-04-03 Martin Liska <mliska@suse.cz>
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* gcc-git-customization.sh: Search for the pattern
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@ -72,6 +72,7 @@ fixincludes/configure: fixincludes/configure.ac fixincludes/aclocal.m4
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fixincludes/config.h.in: fixincludes/configure.ac fixincludes/aclocal.m4
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# intl library
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intl/plural.c: intl/plural.y
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intl/plural-config.h: intl/plural.y
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intl/configure: intl/configure.ac intl/aclocal.m4
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intl/config.h.in: intl/configure.ac intl/aclocal.m4
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# Now, proceed to gcc automatically generated files
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@ -1,5 +1,20 @@
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2020-04-16 Jakub Jelinek <jakub@redhat.com>
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PR bootstrap/92008
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* configure.ac: Remove HAVE_BISON3 AC_DEFINE.
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* Makefile.in (HEADERS): Add plural-config.h.
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(.y.c): Also create plural-config.h.
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(dcigettext.o loadmsgcat.o plural.o plural-exp.o): Also depend
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on plural-config.h.
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(plural-config.h): Depend on plural.c.
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* plural-exp.h: Include plural-config.h. Use USE_BISON3 instead
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of HAVE_BISON3.
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* plural.y: Use USE_BISON3 instead of HAVE_BISON3.
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* configure: Regenerated.
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* plural.c: Regenerated.
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* config.h.in: Regenerated.
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* plural-config.h: Generated.
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PR bootstrap/92008
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* configure.ac: Add check for bison >= 3, AC_DEFINE HAVE_BISON3
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and AC_SUBST BISON3_YES and BISON3_NO.
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@ -57,6 +57,7 @@ HEADERS = \
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gettextP.h \
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hash-string.h \
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loadinfo.h \
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plural-config.h \
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plural-exp.h \
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eval-plural.h \
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localcharset.h \
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@ -133,10 +134,12 @@ libintl.h: $(srcdir)/libgnuintl.h
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$(COMPILE) $<
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.y.c:
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@BISON3_YES@ echo '#define USE_BISON3' > $(patsubst %.c,%-config.h,$@)
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@BISON3_YES@ sed 's,%pure_parser,,;s,^/\* BISON3 \(.*\) \*/$$,\1,' $< > $@.y
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@BISON3_YES@ $(YACC) $(YFLAGS) --output $@.c $@.y
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@BISON3_YES@ sed 's/\.c\.y"/.y"/' $@.c > $@
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@BISON3_YES@ rm -f $@.c $@.y $@.h
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@BISON3_NO@ echo '/* #define USE_BISON3 */' > $(patsubst %.c,%-config.h,$@)
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@BISON3_NO@ $(YACC) $(YFLAGS) --output $@ $<
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rm -f $*.h
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@ -165,7 +168,7 @@ dngettext.o finddomain.o gettext.o intl-compat.o loadmsgcat.o \
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localealias.o ngettext.o textdomain.o: gettextP.h gmo.h loadinfo.h
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dcigettext.o loadmsgcat.o: hash-string.h
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explodename.o l10nflist.o: loadinfo.h
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dcigettext.o loadmsgcat.o plural.o plural-exp.o: plural-exp.h
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dcigettext.o loadmsgcat.o plural.o plural-exp.o: plural-exp.h plural-config.h
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dcigettext.o: eval-plural.h
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localcharset.o: localcharset.h
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localealias.o localcharset.o relocatable.o: relocatable.h
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@ -242,6 +245,8 @@ $(srcdir)/aclocal.m4: @MAINT@ $(aclocal_deps)
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config.h: stamp-h1
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test -f config.h || (rm -f stamp-h1 && $(MAKE) stamp-h1)
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plural-config.h: plural.c
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stamp-h1: $(srcdir)/config.h.in config.status
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-rm -f stamp-h1
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$(SHELL) ./config.status config.h
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@ -28,9 +28,6 @@
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/* Define to 1 if you have the <argz.h> header file. */
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#undef HAVE_ARGZ_H
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/* Define if bison 3 or later is used. */
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#undef HAVE_BISON3
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/* Define if the GNU dcgettext() function is already present or preinstalled.
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*/
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#undef HAVE_DCGETTEXT
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3
intl/configure
vendored
3
intl/configure
vendored
@ -6808,9 +6808,6 @@ $as_echo_n "checking bison 3 or later... " >&6; }
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
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$as_echo "$ac_prog_version" >&6; }
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if test $ac_bison3 = yes; then
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$as_echo "#define HAVE_BISON3 1" >>confdefs.h
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BISON3_YES=
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BISON3_NO='#'
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fi
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@ -62,7 +62,6 @@ changequote([,])dnl
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esac
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AC_MSG_RESULT([$ac_prog_version])
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if test $ac_bison3 = yes; then
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AC_DEFINE(HAVE_BISON3, 1, [Define if bison 3 or later is used.])
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BISON3_YES=
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BISON3_NO='#'
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fi
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1
intl/plural-config.h
Normal file
1
intl/plural-config.h
Normal file
@ -0,0 +1 @@
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/* #define USE_BISON3 */
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@ -20,6 +20,8 @@
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#ifndef _PLURAL_EXP_H
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#define _PLURAL_EXP_H
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#include <plural-config.h>
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#ifndef PARAMS
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# if __STDC__ || defined __GNUC__ || defined __SUNPRO_C || defined __cplusplus || __PROTOTYPES
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# define PARAMS(args) args
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@ -111,7 +113,7 @@ struct parse_args
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extern void FREE_EXPRESSION PARAMS ((struct expression *exp))
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internal_function;
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#ifdef HAVE_BISON3
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#ifdef USE_BISON3
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extern int PLURAL_PARSE PARAMS ((struct parse_args *arg));
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#else
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extern int PLURAL_PARSE PARAMS ((void *arg));
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@ -59,7 +59,7 @@
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# define __gettextparse PLURAL_PARSE
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#endif
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#ifndef HAVE_BISON3
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#ifndef USE_BISON3
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#define YYLEX_PARAM &((struct parse_args *) arg)->cp
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#define YYPARSE_PARAM arg
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#endif
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@ -89,7 +89,7 @@ static inline struct expression *new_exp_3 PARAMS ((enum operator op,
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struct expression *bexp,
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struct expression *tbranch,
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struct expression *fbranch));
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#ifdef HAVE_BISON3
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#ifdef USE_BISON3
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static int yylex PARAMS ((YYSTYPE *lval, struct parse_args *arg));
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static void yyerror PARAMS ((struct parse_args *arg, const char *str));
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#else
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@ -1372,7 +1372,7 @@ FREE_EXPRESSION (exp)
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}
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#ifdef HAVE_BISON3
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#ifdef USE_BISON3
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static int
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yylex (lval, arg)
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YYSTYPE *lval;
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@ -1526,7 +1526,7 @@ yylex (lval, pexp)
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}
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#ifdef HAVE_BISON3
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#ifdef USE_BISON3
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static void
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yyerror (arg, str)
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struct parse_args *arg;
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@ -40,7 +40,7 @@
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# define __gettextparse PLURAL_PARSE
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#endif
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#ifndef HAVE_BISON3
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#ifndef USE_BISON3
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#define YYLEX_PARAM &((struct parse_args *) arg)->cp
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#define YYPARSE_PARAM arg
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#endif
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@ -71,7 +71,7 @@ static inline struct expression *new_exp_3 PARAMS ((enum operator op,
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struct expression *bexp,
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struct expression *tbranch,
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struct expression *fbranch));
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#ifdef HAVE_BISON3
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#ifdef USE_BISON3
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static int yylex PARAMS ((YYSTYPE *lval, struct parse_args *arg));
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static void yyerror PARAMS ((struct parse_args *arg, const char *str));
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#else
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@ -266,7 +266,7 @@ FREE_EXPRESSION (exp)
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}
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#ifdef HAVE_BISON3
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#ifdef USE_BISON3
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static int
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yylex (lval, arg)
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YYSTYPE *lval;
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@ -420,7 +420,7 @@ yylex (lval, pexp)
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}
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#ifdef HAVE_BISON3
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#ifdef USE_BISON3
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static void
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yyerror (arg, str)
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struct parse_args *arg;
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