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gcc/intl/config.h.in
Jakub Jelinek 437eea66a4 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.
2020-04-16 11:55:00 +02:00

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/* config.h.in. Generated from configure.ac by autoheader. */
/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
systems. This function is required for `alloca.c' support on those systems.
*/
#undef CRAY_STACKSEG_END
/* Define to 1 if using `alloca.c'. */
#undef C_ALLOCA
/* Define because we depend on libiconv. */
#undef DEPENDS_ON_LIBICONV
/* Define to 1 if translation of program messages to the user's native
language is requested. */
#undef ENABLE_NLS
/* Define to enable relocation. */
#undef ENABLE_RELOCATABLE
/* Define to 1 if you have `alloca', as a function or macro. */
#undef HAVE_ALLOCA
/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).
*/
#undef HAVE_ALLOCA_H
/* Define to 1 if you have the <argz.h> header file. */
#undef HAVE_ARGZ_H
/* Define if the GNU dcgettext() function is already present or preinstalled.
*/
#undef HAVE_DCGETTEXT
/* Define to 1 if you have the `feof_unlocked' function. */
#undef HAVE_FEOF_UNLOCKED
/* Define to 1 if you have the `fgets_unlocked' function. */
#undef HAVE_FGETS_UNLOCKED
/* Define to 1 if you have the `getcwd' function. */
#undef HAVE_GETCWD
/* Define to 1 if you have the `getc_unlocked' function. */
#undef HAVE_GETC_UNLOCKED
/* Define to 1 if you have the `getegid' function. */
#undef HAVE_GETEGID
/* Define to 1 if you have the `geteuid' function. */
#undef HAVE_GETEUID
/* Define to 1 if you have the `getgid' function. */
#undef HAVE_GETGID
/* Define to 1 if you have the `getpagesize' function. */
#undef HAVE_GETPAGESIZE
/* Define if the GNU gettext() function is already present or preinstalled. */
#undef HAVE_GETTEXT
/* Define to 1 if you have the `getuid' function. */
#undef HAVE_GETUID
/* Define if you have the iconv() function. */
#undef HAVE_ICONV
/* Define if <inttypes.h> exists and doesn't clash with <sys/types.h>. */
#undef HAVE_INTTYPES_H
/* Define if <inttypes.h> exists, doesn't clash with <sys/types.h>, and
declares uintmax_t. */
#undef HAVE_INTTYPES_H_WITH_UINTMAX
/* Define if you have <langinfo.h> and nl_langinfo(CODESET). */
#undef HAVE_LANGINFO_CODESET
/* Define if your <locale.h> file defines LC_MESSAGES. */
#undef HAVE_LC_MESSAGES
/* Define to 1 if you have the <limits.h> header file. */
#undef HAVE_LIMITS_H
/* Define to 1 if you have the <locale.h> header file. */
#undef HAVE_LOCALE_H
/* Define to 1 if you have the <malloc.h> header file. */
#undef HAVE_MALLOC_H
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have the `mempcpy' function. */
#undef HAVE_MEMPCPY
/* Define to 1 if you have a working `mmap' system call. */
#undef HAVE_MMAP
/* Define to 1 if you have the `munmap' function. */
#undef HAVE_MUNMAP
/* Define to 1 if you have the <nl_types.h> header file. */
#undef HAVE_NL_TYPES_H
/* Define to 1 if you have the `putenv' function. */
#undef HAVE_PUTENV
/* Define to 1 if you have the `setenv' function. */
#undef HAVE_SETENV
/* Define to 1 if you have the `setlocale' function. */
#undef HAVE_SETLOCALE
/* Define to 1 if you have the <stddef.h> header file. */
#undef HAVE_STDDEF_H
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
/* Define if <stdint.h> exists, doesn't clash with <sys/types.h>, and declares
uintmax_t. */
#undef HAVE_STDINT_H_WITH_UINTMAX
/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H
/* Define to 1 if you have the `stpcpy' function. */
#undef HAVE_STPCPY
/* Define to 1 if you have the `strcasecmp' function. */
#undef HAVE_STRCASECMP
/* Define to 1 if you have the `strdup' function. */
#undef HAVE_STRDUP
/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if you have the `strtoul' function. */
#undef HAVE_STRTOUL
/* Define to 1 if you have the <sys/param.h> header file. */
#undef HAVE_SYS_PARAM_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define to 1 if you have the `tsearch' function. */
#undef HAVE_TSEARCH
/* Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>. */
#undef HAVE_UINTMAX_T
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Define if you have the unsigned long long type. */
#undef HAVE_UNSIGNED_LONG_LONG
/* Define to 1 if you have the `__argz_count' function. */
#undef HAVE___ARGZ_COUNT
/* Define to 1 if you have the `__argz_next' function. */
#undef HAVE___ARGZ_NEXT
/* Define to 1 if you have the `__argz_stringify' function. */
#undef HAVE___ARGZ_STRINGIFY
/* Define to 1 if you have the `__fsetlocking' function. */
#undef HAVE___FSETLOCKING
/* Define as const if the declaration of iconv() needs const. */
#undef ICONV_CONST
/* Define if integer division by zero raises signal SIGFPE. */
#undef INTDIV0_RAISES_SIGFPE
/* Define because this is libintl. */
#undef IN_LIBINTL
/* Define because this is a library. */
#undef IN_LIBRARY
/* Define if there is no xmalloc. */
#undef NO_XMALLOC
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the home page for this package. */
#undef PACKAGE_URL
/* Define to the version of this package. */
#undef PACKAGE_VERSION
/* Define if <inttypes.h> exists and defines unusable PRI* macros. */
#undef PRI_MACROS_BROKEN
/* If using the C implementation of alloca, define if you know the
direction of stack growth for your system; otherwise it will be
automatically deduced at runtime.
STACK_DIRECTION > 0 => grows toward higher addresses
STACK_DIRECTION < 0 => grows toward lower addresses
STACK_DIRECTION = 0 => direction of growth unknown */
#undef STACK_DIRECTION
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Enable extensions on AIX 3, Interix. */
#ifndef _ALL_SOURCE
# undef _ALL_SOURCE
#endif
/* Enable GNU extensions on systems that have them. */
#ifndef _GNU_SOURCE
# undef _GNU_SOURCE
#endif
/* Enable threading extensions on Solaris. */
#ifndef _POSIX_PTHREAD_SEMANTICS
# undef _POSIX_PTHREAD_SEMANTICS
#endif
/* Enable extensions on HP NonStop. */
#ifndef _TANDEM_SOURCE
# undef _TANDEM_SOURCE
#endif
/* Enable general extensions on Solaris. */
#ifndef __EXTENSIONS__
# undef __EXTENSIONS__
#endif
/* Define to 1 if on MINIX. */
#undef _MINIX
/* Define to 2 if the system does not provide POSIX.1 features except with
this defined. */
#undef _POSIX_1_SOURCE
/* Define to 1 if you need to in order for `stat' and other things to work. */
#undef _POSIX_SOURCE
/* Define to empty if `const' does not conform to ANSI C. */
#undef const
/* Define to `__inline__' or `__inline' if that's what the C compiler
calls it, or to nothing if 'inline' is not supported under any name. */
#ifndef __cplusplus
#undef inline
#endif
/* Define to `long int' if <sys/types.h> does not define. */
#undef off_t
/* Define this entry point correctly. */
#undef relocate
/* Define this entry point correctly. */
#undef set_relocation_prefix
/* Define to `unsigned int' if <sys/types.h> does not define. */
#undef size_t
/* Define to unsigned long or unsigned long long if <stdint.h> and
<inttypes.h> don't define. */
#undef uintmax_t
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