diff options
Diffstat (limited to 'config.h.in')
| -rw-r--r-- | config.h.in | 996 |
1 files changed, 686 insertions, 310 deletions
diff --git a/config.h.in b/config.h.in index 50d5306e..61d44652 100644 --- a/config.h.in +++ b/config.h.in @@ -1,8 +1,15 @@ /* config.h.in. Generated from configure.ac by autoheader. */ +/* Witness that <config.h> has been included. */ +#define _GL_CONFIG_H_INCLUDED 1 + + /* Define if building universal (internal helper macro) */ #undef AC_APPLE_UNIVERSAL_BUILD +/* Define if no multithread safety and no multithreading is desired. */ +#undef AVOID_ANY_THREADS + /* Define to the number of bits in type 'ptrdiff_t'. */ #undef BITSIZEOF_PTRDIFF_T @@ -18,6 +25,9 @@ /* Define to the number of bits in type 'wint_t'. */ #undef BITSIZEOF_WINT_T +/* Define if the c32rtomb function has an incorrect return value. */ +#undef C32RTOMB_RETVAL_BUG + /* Define if you wish *printf() functions that have a safe handling of non-IEEE-754 'long double' values. */ #undef CHECK_PRINTF_SAFE @@ -113,9 +123,60 @@ /* Define to 1 when the gnulib module bind should be tested. */ #undef GNULIB_TEST_BIND +/* Define to 1 when the gnulib module btoc32 should be tested. */ +#undef GNULIB_TEST_BTOC32 + /* Define to 1 when the gnulib module btowc should be tested. */ #undef GNULIB_TEST_BTOWC +/* Define to 1 when the gnulib module c32isalnum should be tested. */ +#undef GNULIB_TEST_C32ISALNUM + +/* Define to 1 when the gnulib module c32isalpha should be tested. */ +#undef GNULIB_TEST_C32ISALPHA + +/* Define to 1 when the gnulib module c32isblank should be tested. */ +#undef GNULIB_TEST_C32ISBLANK + +/* Define to 1 when the gnulib module c32iscntrl should be tested. */ +#undef GNULIB_TEST_C32ISCNTRL + +/* Define to 1 when the gnulib module c32isdigit should be tested. */ +#undef GNULIB_TEST_C32ISDIGIT + +/* Define to 1 when the gnulib module c32isgraph should be tested. */ +#undef GNULIB_TEST_C32ISGRAPH + +/* Define to 1 when the gnulib module c32islower should be tested. */ +#undef GNULIB_TEST_C32ISLOWER + +/* Define to 1 when the gnulib module c32isprint should be tested. */ +#undef GNULIB_TEST_C32ISPRINT + +/* Define to 1 when the gnulib module c32ispunct should be tested. */ +#undef GNULIB_TEST_C32ISPUNCT + +/* Define to 1 when the gnulib module c32isspace should be tested. */ +#undef GNULIB_TEST_C32ISSPACE + +/* Define to 1 when the gnulib module c32isupper should be tested. */ +#undef GNULIB_TEST_C32ISUPPER + +/* Define to 1 when the gnulib module c32isxdigit should be tested. */ +#undef GNULIB_TEST_C32ISXDIGIT + +/* Define to 1 when the gnulib module c32rtomb should be tested. */ +#undef GNULIB_TEST_C32RTOMB + +/* Define to 1 when the gnulib module c32tob should be tested. */ +#undef GNULIB_TEST_C32TOB + +/* Define to 1 when the gnulib module c32tolower should be tested. */ +#undef GNULIB_TEST_C32TOLOWER + +/* Define to 1 when the gnulib module c32width should be tested. */ +#undef GNULIB_TEST_C32WIDTH + /* Define to 1 when the gnulib module calloc-gnu should be tested. */ #undef GNULIB_TEST_CALLOC_GNU @@ -197,6 +258,9 @@ /* Define to 1 when the gnulib module getpagesize should be tested. */ #undef GNULIB_TEST_GETPAGESIZE +/* Define to 1 when the gnulib module getprogname should be tested. */ +#undef GNULIB_TEST_GETPROGNAME + /* Define to 1 when the gnulib module gettimeofday should be tested. */ #undef GNULIB_TEST_GETTIMEOFDAY @@ -209,14 +273,17 @@ /* Define to 1 when the gnulib module iswdigit should be tested. */ #undef GNULIB_TEST_ISWDIGIT +/* Define to 1 when the gnulib module iswpunct should be tested. */ +#undef GNULIB_TEST_ISWPUNCT + /* Define to 1 when the gnulib module iswxdigit should be tested. */ #undef GNULIB_TEST_ISWXDIGIT /* Define to 1 when the gnulib module listen should be tested. */ #undef GNULIB_TEST_LISTEN -/* Define to 1 when the gnulib module localename should be tested. */ -#undef GNULIB_TEST_LOCALENAME +/* Define to 1 when the gnulib module localename-unsafe should be tested. */ +#undef GNULIB_TEST_LOCALENAME_UNSAFE /* Define to 1 when the gnulib module lstat should be tested. */ #undef GNULIB_TEST_LSTAT @@ -227,6 +294,9 @@ /* Define to 1 when the gnulib module malloc-posix should be tested. */ #undef GNULIB_TEST_MALLOC_POSIX +/* Define to 1 when the gnulib module mbrtoc32 should be tested. */ +#undef GNULIB_TEST_MBRTOC32 + /* Define to 1 when the gnulib module mbrtowc should be tested. */ #undef GNULIB_TEST_MBRTOWC @@ -236,6 +306,9 @@ /* Define to 1 when the gnulib module mbsnlen should be tested. */ #undef GNULIB_TEST_MBSNLEN +/* Define to 1 when the gnulib module mbszero should be tested. */ +#undef GNULIB_TEST_MBSZERO + /* Define to 1 when the gnulib module mbtowc should be tested. */ #undef GNULIB_TEST_MBTOWC @@ -281,6 +354,12 @@ /* Define to 1 when the gnulib module raise should be tested. */ #undef GNULIB_TEST_RAISE +/* Define to 1 when the gnulib module random should be tested. */ +#undef GNULIB_TEST_RANDOM + +/* Define to 1 when the gnulib module random_r should be tested. */ +#undef GNULIB_TEST_RANDOM_R + /* Define to 1 when the gnulib module reallocarray should be tested. */ #undef GNULIB_TEST_REALLOCARRAY @@ -341,6 +420,9 @@ /* Define to 1 when the gnulib module symlink should be tested. */ #undef GNULIB_TEST_SYMLINK +/* Define to 1 when the gnulib module time should be tested. */ +#undef GNULIB_TEST_TIME + /* Define to 1 when the gnulib module uninorm/u16-normalize should be tested. */ #undef GNULIB_TEST_UNINORM_U16_NORMALIZE @@ -493,6 +575,10 @@ whether the gnulib module xalloc-die shall be considered present. */ #undef GNULIB_XALLOC_DIE +/* Define if the __locale_t type contains the name of the LC_MESSAGES + category. */ +#undef HAVE_AIX72_LOCALES + /* Define to 1 if you have 'alloca' after including <alloca.h>, a header that may be supplied by this distribution. */ #undef HAVE_ALLOCA @@ -506,7 +592,7 @@ /* Define to 1 if you have the <bp-sym.h> header file. */ #undef HAVE_BP_SYM_H -/* Define to 1 if you have the `btowc' function. */ +/* Define to 1 if you have the 'btowc' function. */ #undef HAVE_BTOWC /* Define to 1 if nanosleep mishandles large arguments. */ @@ -550,115 +636,131 @@ /* Define to 1 if C supports variable-length arrays. */ #undef HAVE_C_VARARRAYS -/* Define to 1 if you have the declaration of `alarm', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'alarm', and to 0 if you don't. */ #undef HAVE_DECL_ALARM -/* Define to 1 if you have the declaration of `copysign', and to 0 if you +/* Define to 1 if you have the declaration of 'copysign', and to 0 if you don't. */ #undef HAVE_DECL_COPYSIGN -/* Define to 1 if you have the declaration of `copysignf', and to 0 if you +/* Define to 1 if you have the declaration of 'copysignf', and to 0 if you don't. */ #undef HAVE_DECL_COPYSIGNF -/* Define to 1 if you have the declaration of `copysignl', and to 0 if you +/* Define to 1 if you have the declaration of 'copysignl', and to 0 if you don't. */ #undef HAVE_DECL_COPYSIGNL -/* Define to 1 if you have the declaration of `ecvt', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'ecvt', and to 0 if you don't. */ #undef HAVE_DECL_ECVT -/* Define to 1 if you have the declaration of `execvpe', and to 0 if you +/* Define to 1 if you have the declaration of 'execvpe', and to 0 if you don't. */ #undef HAVE_DECL_EXECVPE -/* Define to 1 if you have the declaration of `fcloseall', and to 0 if you +/* Define to 1 if you have the declaration of 'fcloseall', and to 0 if you don't. */ #undef HAVE_DECL_FCLOSEALL -/* Define to 1 if you have the declaration of `fcvt', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'fcvt', and to 0 if you don't. */ #undef HAVE_DECL_FCVT -/* Define to 1 if you have the declaration of `gcvt', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'gcvt', and to 0 if you don't. */ #undef HAVE_DECL_GCVT -/* Define to 1 if you have the declaration of `getdtablesize', and to 0 if you +/* Define to 1 if you have the declaration of 'getdtablesize', and to 0 if you don't. */ #undef HAVE_DECL_GETDTABLESIZE -/* Define to 1 if you have the declaration of `inet_pton', and to 0 if you +/* Define to 1 if you have the declaration of 'getw', and to 0 if you don't. + */ +#undef HAVE_DECL_GETW + +/* Define to 1 if you have the declaration of 'inet_pton', and to 0 if you don't. */ #undef HAVE_DECL_INET_PTON -/* Define to 1 if you have the declaration of `iswblank', and to 0 if you +/* Define to 1 if you have the declaration of 'initstate', and to 0 if you + don't. */ +#undef HAVE_DECL_INITSTATE + +/* Define to 1 if you have the declaration of 'iswblank', and to 0 if you don't. */ #undef HAVE_DECL_ISWBLANK -/* Define to 1 if you have the declaration of `mbrtowc', and to 0 if you +/* Define to 1 if you have the declaration of 'mbrtowc', and to 0 if you don't. */ #undef HAVE_DECL_MBRTOWC -/* Define to 1 if you have the declaration of `mbsinit', and to 0 if you +/* Define to 1 if you have the declaration of 'mbsinit', and to 0 if you don't. */ #undef HAVE_DECL_MBSINIT -/* Define to 1 if you have the declaration of `program_invocation_name', and +/* Define to 1 if you have the declaration of 'program_invocation_name', and to 0 if you don't. */ #undef HAVE_DECL_PROGRAM_INVOCATION_NAME -/* Define to 1 if you have the declaration of `program_invocation_short_name', +/* Define to 1 if you have the declaration of 'program_invocation_short_name', and to 0 if you don't. */ #undef HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME -/* Define to 1 if you have the declaration of `setenv', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'putw', and to 0 if you don't. + */ +#undef HAVE_DECL_PUTW + +/* Define to 1 if you have the declaration of 'setenv', and to 0 if you don't. */ #undef HAVE_DECL_SETENV -/* Define to 1 if you have the declaration of `sleep', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'setstate', and to 0 if you + don't. */ +#undef HAVE_DECL_SETSTATE + +/* Define to 1 if you have the declaration of 'sleep', and to 0 if you don't. */ #undef HAVE_DECL_SLEEP -/* Define to 1 if you have the declaration of `strerror_r', and to 0 if you +/* Define to 1 if you have the declaration of 'strerror_r', and to 0 if you don't. */ #undef HAVE_DECL_STRERROR_R -/* Define to 1 if you have the declaration of `towlower', and to 0 if you +/* Define to 1 if you have the declaration of 'towlower', and to 0 if you don't. */ #undef HAVE_DECL_TOWLOWER -/* Define to 1 if you have the declaration of `unsetenv', and to 0 if you +/* Define to 1 if you have the declaration of 'unsetenv', and to 0 if you don't. */ #undef HAVE_DECL_UNSETENV -/* Define to 1 if you have the declaration of `wcrtomb', and to 0 if you +/* Define to 1 if you have the declaration of 'wcrtomb', and to 0 if you don't. */ #undef HAVE_DECL_WCRTOMB -/* Define to 1 if you have the declaration of `wcsdup', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'wcsdup', and to 0 if you don't. */ #undef HAVE_DECL_WCSDUP -/* Define to 1 if you have the declaration of `wctob', and to 0 if you don't. +/* Define to 1 if you have the declaration of 'wctob', and to 0 if you don't. */ #undef HAVE_DECL_WCTOB -/* Define to 1 if you have the declaration of `wcwidth', and to 0 if you +/* Define to 1 if you have the declaration of 'wcwidth', and to 0 if you don't. */ #undef HAVE_DECL_WCWIDTH -/* Define to 1 if you have the declaration of `_putenv', and to 0 if you +/* Define to 1 if you have the declaration of '_putenv', and to 0 if you don't. */ #undef HAVE_DECL__PUTENV -/* Define to 1 if you have the declaration of `_snprintf', and to 0 if you +/* Define to 1 if you have the declaration of '_snprintf', and to 0 if you don't. */ #undef HAVE_DECL__SNPRINTF -/* Define to 1 if you have the declaration of `__argv', and to 0 if you don't. +/* Define to 1 if you have the declaration of '__argv', and to 0 if you don't. */ #undef HAVE_DECL___ARGV @@ -671,11 +773,17 @@ /* Define if you have the declaration of environ. */ #undef HAVE_ENVIRON_DECL +/* Define to 1 if you have the `error' function. */ +#undef HAVE_ERROR + +/* Define to 1 if you have the <error.h> header file. */ +#undef HAVE_ERROR_H + /* Define if the locale_t type contains insufficient information, as on OpenBSD. */ #undef HAVE_FAKE_LOCALES -/* Define to 1 if you have the `fcntl' function. */ +/* Define to 1 if you have the 'fcntl' function. */ #undef HAVE_FCNTL /* Define to 1 if you have the <features.h> header file. */ @@ -696,22 +804,22 @@ /* Define to 1 if you have the `ftruncate' function. */ #undef HAVE_FTRUNCATE -/* Define to 1 if you have the `getdtablesize' function. */ +/* Define to 1 if you have the 'getdtablesize' function. */ #undef HAVE_GETDTABLESIZE -/* Define to 1 if you have the `getexecname' function. */ +/* Define to 1 if you have the 'getexecname' function. */ #undef HAVE_GETEXECNAME -/* Define to 1 if you have the `getlocalename_l' function. */ +/* Define to 1 if you have the 'getlocalename_l' function. */ #undef HAVE_GETLOCALENAME_L /* Define to 1 if you have the `getprogname' function. */ #undef HAVE_GETPROGNAME -/* Define to 1 if you have the `gettimeofday' function. */ +/* Define to 1 if you have the 'gettimeofday' function. */ #undef HAVE_GETTIMEOFDAY -/* Define if the uselocale exists, may be safely called, and returns +/* Define if the uselocale function exists, may be safely called, and returns sufficient information. */ #undef HAVE_GOOD_USELOCALE @@ -721,9 +829,12 @@ /* Define to 1 if you have the <iconv.h> header file. */ #undef HAVE_ICONV_H -/* Define to 1 if you have the `inet_pton' function. */ +/* Define to 1 if you have the 'inet_pton' function. */ #undef HAVE_INET_PTON +/* Define to 1 if you have the `initstate' function. */ +#undef HAVE_INITSTATE + /* Define to 1 if the compiler supports one of the keywords 'inline', '__inline__', '__inline' and effectively inlines functions marked as such. */ @@ -739,7 +850,7 @@ declares uintmax_t. */ #undef HAVE_INTTYPES_H_WITH_UINTMAX -/* Define to 1 if you have the `ioctl' function. */ +/* Define to 1 if you have the 'ioctl' function. */ #undef HAVE_IOCTL /* Define to 1 if <sys/socket.h> defines AF_INET. */ @@ -748,7 +859,7 @@ /* Define to 1 if <sys/socket.h> defines AF_INET6. */ #undef HAVE_IPV6 -/* Define to 1 if you have the `isblank' function. */ +/* Define to 1 if you have the 'isblank' function. */ #undef HAVE_ISBLANK /* Define if the isnan(double) function is available in libc. */ @@ -763,7 +874,7 @@ /* Define to 1 if you have the `iswblank' function. */ #undef HAVE_ISWBLANK -/* Define to 1 if you have the `iswcntrl' function. */ +/* Define to 1 if you have the 'iswcntrl' function. */ #undef HAVE_ISWCNTRL /* Define if you have <langinfo.h> and nl_langinfo(CODESET). */ @@ -787,7 +898,7 @@ /* Define to 1 if the system has the type 'long long int'. */ #undef HAVE_LONG_LONG_INT -/* Define to 1 if you have the `lstat' function. */ +/* Define to 1 if you have the 'lstat' function. */ #undef HAVE_LSTAT /* Define if malloc, realloc, and calloc set errno on allocation failure. */ @@ -800,10 +911,10 @@ /* Define to 1 if you have the <math.h> header file. */ #undef HAVE_MATH_H -/* Define to 1 if you have the `mbrtowc' function. */ +/* Define to 1 if you have the 'mbrtowc' function. */ #undef HAVE_MBRTOWC -/* Define to 1 if you have the `mbsinit' function. */ +/* Define to 1 if you have the 'mbsinit' function. */ #undef HAVE_MBSINIT /* Define to 1 if <wchar.h> declares mbstate_t. */ @@ -821,7 +932,7 @@ /* Define to 1 if <sys/param.h> defines the MIN and MAX macros. */ #undef HAVE_MINMAX_IN_SYS_PARAM_H -/* Define to 1 if you have the `mprotect' function. */ +/* Define to 1 if you have the 'mprotect' function. */ #undef HAVE_MPROTECT /* Define to 1 on MSVC platforms that have the "invalid parameter handler" @@ -847,10 +958,10 @@ /* Define to 1 if you have the <OS.h> header file. */ #undef HAVE_OS_H -/* Define to 1 if you have the `pipe' function. */ +/* Define to 1 if you have the 'pipe' function. */ #undef HAVE_PIPE -/* Define to 1 if you have the `pselect' function. */ +/* Define to 1 if you have the 'pselect' function. */ #undef HAVE_PSELECT /* Define if you have the <pthread.h> header and the POSIX threads API. */ @@ -875,22 +986,28 @@ /* Define to 1 if the pthread_sigmask function can be used (despite bugs). */ #undef HAVE_PTHREAD_SIGMASK -/* Define to 1 if the system has the type `pthread_spinlock_t'. */ +/* Define to 1 if the system has the type 'pthread_spinlock_t'. */ #undef HAVE_PTHREAD_SPINLOCK_T -/* Define to 1 if the system has the type `pthread_t'. */ +/* Define to 1 if the system has the type 'pthread_t'. */ #undef HAVE_PTHREAD_T -/* Define to 1 if you have the `raise' function. */ +/* Define to 1 if you have the 'raise' function. */ #undef HAVE_RAISE +/* Define to 1 if you have the <random.h> header file. */ +#undef HAVE_RANDOM_H + +/* Define to 1 if you have the 'random_r' function. */ +#undef HAVE_RANDOM_R + /* Define to 1 if you have the `reallocarray' function. */ #undef HAVE_REALLOCARRAY /* Define to 1 if 'long double' and 'double' have the same representation. */ #undef HAVE_SAME_LONG_DOUBLE_AS_DOUBLE -/* Define to 1 if the system has the type `sa_family_t'. */ +/* Define to 1 if the system has the type 'sa_family_t'. */ #undef HAVE_SA_FAMILY_T /* Define to 1 if you have the <sched.h> header file. */ @@ -905,13 +1022,16 @@ /* Define to 1 if you have the <semaphore.h> header file. */ #undef HAVE_SEMAPHORE_H -/* Define to 1 if you have the `setdtablesize' function. */ +/* Define to 1 if you have the 'setdtablesize' function. */ #undef HAVE_SETDTABLESIZE -/* Define to 1 if you have the `setenv' function. */ +/* Define to 1 if you have the 'setenv' function. */ #undef HAVE_SETENV -/* Define to 1 if you have the `shutdown' function. */ +/* Define to 1 if you have the `setstate' function. */ +#undef HAVE_SETSTATE + +/* Define to 1 if you have the 'shutdown' function. */ #undef HAVE_SHUTDOWN /* Define to 1 if 'sig_atomic_t' is a signed integer type. */ @@ -923,13 +1043,13 @@ /* Define to 1 if 'wint_t' is a signed integer type. */ #undef HAVE_SIGNED_WINT_T -/* Define to 1 if the system has the type `sigset_t'. */ +/* Define to 1 if the system has the type 'sigset_t'. */ #undef HAVE_SIGSET_T -/* Define to 1 if you have the `sleep' function. */ +/* Define to 1 if you have the 'sleep' function. */ #undef HAVE_SLEEP -/* Define to 1 if you have the `snprintf' function. */ +/* Define to 1 if you have the 'snprintf' function. */ #undef HAVE_SNPRINTF /* Define if the return value of the snprintf function is the number of of @@ -944,9 +1064,6 @@ /* Define if the locale_t type is as on Solaris 11.4. */ #undef HAVE_SOLARIS114_LOCALES -/* Define to 1 if you have the <stdalign.h> header file. */ -#undef HAVE_STDALIGN_H - /* Define to 1 if you have the <stdbool.h> header file. */ #undef HAVE_STDBOOL_H @@ -969,7 +1086,7 @@ /* Define to 1 if you have the `stpcpy' function. */ #undef HAVE_STPCPY -/* Define to 1 if you have the `strdup' function. */ +/* Define to 1 if you have the 'strdup' function. */ #undef HAVE_STRDUP /* Define to 1 if you have the `strerror_r' function. */ @@ -981,37 +1098,40 @@ /* Define to 1 if you have the <string.h> header file. */ #undef HAVE_STRING_H -/* Define to 1 if you have the `strnlen' function. */ +/* Define to 1 if you have the 'strnlen' function. */ #undef HAVE_STRNLEN -/* Define to 1 if the system has the type `struct sockaddr_storage'. */ +/* Define to 1 if the system has the type 'struct random_data'. */ +#undef HAVE_STRUCT_RANDOM_DATA + +/* Define to 1 if the system has the type 'struct sockaddr_storage'. */ #undef HAVE_STRUCT_SOCKADDR_STORAGE -/* Define to 1 if `ss_family' is a member of `struct sockaddr_storage'. */ +/* Define to 1 if 'ss_family' is a member of 'struct sockaddr_storage'. */ #undef HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY -/* Define to 1 if `st_atimensec' is a member of `struct stat'. */ +/* Define to 1 if 'st_atimensec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_ATIMENSEC -/* Define to 1 if `st_atimespec.tv_nsec' is a member of `struct stat'. */ +/* Define to 1 if 'st_atimespec.tv_nsec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC -/* Define to 1 if `st_atim.st__tim.tv_nsec' is a member of `struct stat'. */ +/* Define to 1 if 'st_atim.st__tim.tv_nsec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_ATIM_ST__TIM_TV_NSEC -/* Define to 1 if `st_atim.tv_nsec' is a member of `struct stat'. */ +/* Define to 1 if 'st_atim.tv_nsec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC -/* Define to 1 if `st_birthtimensec' is a member of `struct stat'. */ +/* Define to 1 if 'st_birthtimensec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC -/* Define to 1 if `st_birthtimespec.tv_nsec' is a member of `struct stat'. */ +/* Define to 1 if 'st_birthtimespec.tv_nsec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC -/* Define to 1 if `st_birthtim.tv_nsec' is a member of `struct stat'. */ +/* Define to 1 if 'st_birthtim.tv_nsec' is a member of 'struct stat'. */ #undef HAVE_STRUCT_STAT_ST_BIRTHTIM_TV_NSEC -/* Define to 1 if you have the `symlink' function. */ +/* Define to 1 if you have the 'symlink' function. */ #undef HAVE_SYMLINK /* Define to 1 if you have the <sys/bitypes.h> header file. */ @@ -1062,16 +1182,19 @@ /* Define to 1 if you have the <threads.h> header file. */ #undef HAVE_THREADS_H -/* Define to 1 if you have the `towlower' function. */ +/* Define to 1 if you have the 'towlower' function. */ #undef HAVE_TOWLOWER /* Define to 1 if you have the `tsearch' function. */ #undef HAVE_TSEARCH +/* Define to 1 if you have the <uchar.h> header file. */ +#undef HAVE_UCHAR_H + /* Define to 1 if you have the <unistd.h> header file. */ #undef HAVE_UNISTD_H -/* Define to 1 if you have the `unsetenv' function. */ +/* Define to 1 if you have the 'unsetenv' function. */ #undef HAVE_UNSETENV /* Define to 1 if the system has the type 'unsigned long long int'. */ @@ -1080,7 +1203,7 @@ /* Define to 1 if you have the `uselocale' function. */ #undef HAVE_USELOCALE -/* Define to 1 if you have the `usleep' function. */ +/* Define to 1 if you have the 'usleep' function. */ #undef HAVE_USLEEP /* Define if you have a global __progname variable */ @@ -1096,22 +1219,19 @@ /* Define if you have the 'wchar_t' type. */ #undef HAVE_WCHAR_T -/* Define to 1 if you have the `wcrtomb' function. */ +/* Define to 1 if you have the 'wcrtomb' function. */ #undef HAVE_WCRTOMB -/* Define to 1 if you have the `wcslen' function. */ +/* Define to 1 if you have the 'wcslen' function. */ #undef HAVE_WCSLEN -/* Define to 1 if you have the `wcsnlen' function. */ -#undef HAVE_WCSNLEN - -/* Define to 1 if you have the `wctob' function. */ +/* Define to 1 if you have the 'wctob' function. */ #undef HAVE_WCTOB /* Define to 1 if you have the <wctype.h> header file. */ #undef HAVE_WCTYPE_H -/* Define to 1 if you have the `wcwidth' function. */ +/* Define to 1 if you have the 'wcwidth' function. */ #undef HAVE_WCWIDTH /* Define to 1 if the compiler and linker support weak declarations of @@ -1124,6 +1244,9 @@ /* Define if you have the 'wint_t' type. */ #undef HAVE_WINT_T +/* Define if the mbrtoc32 function basically works. */ +#undef HAVE_WORKING_MBRTOC32 + /* Define to 1 if O_NOATIME works. */ #undef HAVE_WORKING_O_NOATIME @@ -1139,10 +1262,10 @@ /* Define to 1 if you have the <xlocale.h> header file. */ #undef HAVE_XLOCALE_H -/* Define to 1 if you have the `_chsize' function. */ +/* Define to 1 if you have the '_chsize' function. */ #undef HAVE__CHSIZE -/* Define to 1 if you have the `_set_invalid_parameter_handler' function. */ +/* Define to 1 if you have the '_set_invalid_parameter_handler' function. */ #undef HAVE__SET_INVALID_PARAMETER_HANDLER /* Define to 1 if the compiler supports __builtin_expect, @@ -1217,7 +1340,8 @@ # define _GL_EXTERN_INLINE_STDHEADER_BUG #endif #if ((__GNUC__ \ - ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \ + ? (defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \ + && !defined __PCC__) \ : (199901L <= __STDC_VERSION__ \ && !defined __HP_cc \ && !defined __PGI \ @@ -1227,6 +1351,7 @@ # define _GL_EXTERN_INLINE extern inline # define _GL_EXTERN_INLINE_IN_USE #elif (2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __STRICT_ANSI__ \ + && !defined __PCC__ \ && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) # if defined __GNUC_GNU_INLINE__ && __GNUC_GNU_INLINE__ /* __gnu_inline__ suppresses a GCC 4.2 diagnostic. */ @@ -1266,7 +1391,10 @@ # define _GL_INLINE_HEADER_END #endif -/* Define to 1 if you have the `__xpg_strerror_r' function. */ +/* Define to 1 if the compiler supports the keyword '__inline'. */ +#undef HAVE___INLINE + +/* Define to 1 if you have the '__xpg_strerror_r' function. */ #undef HAVE___XPG_STRERROR_R /* Define as const if the declaration of iconv() needs const. */ @@ -1309,6 +1437,14 @@ /* Define to a substitute value for mmap()'s MAP_ANONYMOUS flag. */ #undef MAP_ANONYMOUS +/* Define if the mbrtoc32 function does not return (size_t) -2 for empty + input. */ +#undef MBRTOC32_EMPTY_INPUT_BUG + +/* Define if the mbrtoc32 function may signal encoding errors in the C locale. + */ +#undef MBRTOC32_IN_C_LOCALE_MAYBE_EILSEQ + /* Define if the mbrtowc function does not return (size_t) -2 for empty input. */ #undef MBRTOWC_EMPTY_INPUT_BUG @@ -1339,6 +1475,18 @@ #endif +/* Define to 1 if the encoding of NaN 'double's is as in IEEE 754-2008 § + 6.2.1. */ +#undef MIPS_NAN2008_DOUBLE + +/* Define to 1 if the encoding of NaN 'float's is as in IEEE 754-2008 § + 6.2.1. */ +#undef MIPS_NAN2008_FLOAT + +/* Define to 1 if the encoding of NaN 'long double's is as in IEEE 754-2008 § + 6.2.1. */ +#undef MIPS_NAN2008_LONG_DOUBLE + /* Define to 1 on musl libc. */ #undef MUSL_LIBC @@ -1346,10 +1494,18 @@ 'A' directives. */ #undef NEED_PRINTF_DIRECTIVE_A +/* Define if the vasnprintf implementation needs special code for the 'b' + directive. */ +#undef NEED_PRINTF_DIRECTIVE_B + /* Define if the vasnprintf implementation needs special code for the 'F' directive. */ #undef NEED_PRINTF_DIRECTIVE_F +/* Define if the vasnprintf implementation needs special code for the 'lc' + directive. */ +#undef NEED_PRINTF_DIRECTIVE_LC + /* Define if the vasnprintf implementation needs special code for the 'ls' directive. */ #undef NEED_PRINTF_DIRECTIVE_LS @@ -1362,6 +1518,10 @@ out-of-memory conditions. */ #undef NEED_PRINTF_ENOMEM +/* Define if the vasnprintf implementation needs special code for the # flag + with a zero precision and a zero value in the 'x' and 'X' directives. */ +#undef NEED_PRINTF_FLAG_ALT_PRECISION_ZERO + /* Define if the vasnprintf implementation needs special code for the ' flag. */ #undef NEED_PRINTF_FLAG_GROUPING @@ -1479,10 +1639,10 @@ STACK_DIRECTION = 0 => direction of growth unknown */ #undef STACK_DIRECTION -/* Define to 1 if the `S_IS*' macros in <sys/stat.h> do not work properly. */ +/* Define to 1 if the 'S_IS*' macros in <sys/stat.h> do not work properly. */ #undef STAT_MACROS_BROKEN -/* Define to 1 if all of the C90 standard headers exist (not just the ones +/* Define to 1 if all of the C89 standard headers exist (not just the ones required in a freestanding environment). This macro is provided for backward compatibility; new code need not use it. */ #undef STDC_HEADERS @@ -1512,7 +1672,7 @@ weak. */ #undef USE_POSIX_THREADS_WEAK -/* Enable extensions on AIX 3, Interix. */ +/* Enable extensions on AIX, Interix, z/OS. */ #ifndef _ALL_SOURCE # undef _ALL_SOURCE #endif @@ -1573,11 +1733,15 @@ #ifndef __STDC_WANT_IEC_60559_DFP_EXT__ # undef __STDC_WANT_IEC_60559_DFP_EXT__ #endif +/* Enable extensions specified by C23 Annex F. */ +#ifndef __STDC_WANT_IEC_60559_EXT__ +# undef __STDC_WANT_IEC_60559_EXT__ +#endif /* Enable extensions specified by ISO/IEC TS 18661-4:2015. */ #ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__ # undef __STDC_WANT_IEC_60559_FUNCS_EXT__ #endif -/* Enable extensions specified by ISO/IEC TS 18661-3:2015. */ +/* Enable extensions specified by C23 Annex H and ISO/IEC TS 18661-3:2015. */ #ifndef __STDC_WANT_IEC_60559_TYPES_EXT__ # undef __STDC_WANT_IEC_60559_TYPES_EXT__ #endif @@ -1626,7 +1790,7 @@ 'wint_t'. */ #undef WINT_T_SUFFIX -/* Define when --enable-shared is used on mingw or Cygwin. */ +/* Define when --enable-shared is used on Windows. */ #undef WOE32DLL /* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most @@ -1656,7 +1820,7 @@ /* Define to enable the declarations of ISO C 11 types and functions. */ #undef _ISOC11_SOURCE -/* Define for large files, on AIX-style hosts. */ +/* Define to 1 on platforms where this makes off_t a 64-bit type. */ #undef _LARGE_FILES /* Define to 1 on Solaris. */ @@ -1675,6 +1839,11 @@ AIX system header files and several gnulib header files use precisely this syntax with 'extern'. */ # define _Noreturn [[noreturn]] +# elif (defined __clang__ && __clang_major__ < 16 \ + && defined _GL_WORK_AROUND_LLVM_BUG_59792) + /* Compile with -D_GL_WORK_AROUND_LLVM_BUG_59792 to work around + that rare LLVM bug, though you may get many false-alarm warnings. */ +# define _Noreturn # elif ((!defined __cplusplus || defined __clang__) \ && (201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) \ || (!defined __STRICT_ANSI__ \ @@ -1697,13 +1866,13 @@ functions. */ #undef _POSIX_PII_SOCKET -/* Number of bits in a timestamp, on hosts where this is settable. */ +/* Number of bits in time_t, on hosts where this is settable. */ #undef _TIME_BITS /* For standard stat data types on VMS. */ #undef _USE_STD_STAT -/* For 64-bit time_t on 32-bit mingw. */ +/* Define to 1 on platforms where this makes time_t a 64-bit type. */ #undef __MINGW_USE_VC2005_COMPAT /* Define to 1 if the system <stdint.h> predates C++11. */ @@ -1744,54 +1913,74 @@ /* Attributes. */ -#if (defined __has_attribute \ - && (!defined __clang_minor__ \ - || (defined __apple_build_version__ \ - ? 6000000 <= __apple_build_version__ \ - : 3 < __clang_major__ + (5 <= __clang_minor__)))) -# define _GL_HAS_ATTRIBUTE(attr) __has_attribute (__##attr##__) -#else -# define _GL_HAS_ATTRIBUTE(attr) _GL_ATTR_##attr -# define _GL_ATTR_alloc_size _GL_GNUC_PREREQ (4, 3) -# define _GL_ATTR_always_inline _GL_GNUC_PREREQ (3, 2) -# define _GL_ATTR_artificial _GL_GNUC_PREREQ (4, 3) -# define _GL_ATTR_cold _GL_GNUC_PREREQ (4, 3) -# define _GL_ATTR_const _GL_GNUC_PREREQ (2, 95) -# define _GL_ATTR_deprecated _GL_GNUC_PREREQ (3, 1) -# define _GL_ATTR_diagnose_if 0 -# define _GL_ATTR_error _GL_GNUC_PREREQ (4, 3) -# define _GL_ATTR_externally_visible _GL_GNUC_PREREQ (4, 1) -# define _GL_ATTR_fallthrough _GL_GNUC_PREREQ (7, 0) -# define _GL_ATTR_format _GL_GNUC_PREREQ (2, 7) -# define _GL_ATTR_leaf _GL_GNUC_PREREQ (4, 6) -# define _GL_ATTR_malloc _GL_GNUC_PREREQ (3, 0) -# ifdef _ICC -# define _GL_ATTR_may_alias 0 +/* Define _GL_HAS_ATTRIBUTE only once, because on FreeBSD, with gcc < 5, if + <config.h> gets included once again after <sys/cdefs.h>, __has_attribute(x) + expands to 0 always, and redefining _GL_HAS_ATTRIBUTE would turn off all + attributes. */ +#ifndef _GL_HAS_ATTRIBUTE +# if (defined __has_attribute \ + && (!defined __clang_minor__ \ + || (defined __apple_build_version__ \ + ? 7000000 <= __apple_build_version__ \ + : 5 <= __clang_major__))) +# define _GL_HAS_ATTRIBUTE(attr) __has_attribute (__##attr##__) # else -# define _GL_ATTR_may_alias _GL_GNUC_PREREQ (3, 3) -# endif -# define _GL_ATTR_noinline _GL_GNUC_PREREQ (3, 1) -# define _GL_ATTR_nonnull _GL_GNUC_PREREQ (3, 3) -# define _GL_ATTR_nonstring _GL_GNUC_PREREQ (8, 0) -# define _GL_ATTR_nothrow _GL_GNUC_PREREQ (3, 3) -# define _GL_ATTR_packed _GL_GNUC_PREREQ (2, 7) -# define _GL_ATTR_pure _GL_GNUC_PREREQ (2, 96) -# define _GL_ATTR_returns_nonnull _GL_GNUC_PREREQ (4, 9) -# define _GL_ATTR_sentinel _GL_GNUC_PREREQ (4, 0) -# define _GL_ATTR_unused _GL_GNUC_PREREQ (2, 7) -# define _GL_ATTR_warn_unused_result _GL_GNUC_PREREQ (3, 4) -#endif - -#ifdef __has_c_attribute -# if ((defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) <= 201710 \ - && _GL_GNUC_PREREQ (4, 6)) -# pragma GCC diagnostic ignored "-Wpedantic" +# define _GL_HAS_ATTRIBUTE(attr) _GL_ATTR_##attr +# define _GL_ATTR_alloc_size _GL_GNUC_PREREQ (4, 3) +# define _GL_ATTR_always_inline _GL_GNUC_PREREQ (3, 2) +# define _GL_ATTR_artificial _GL_GNUC_PREREQ (4, 3) +# define _GL_ATTR_cold _GL_GNUC_PREREQ (4, 3) +# define _GL_ATTR_const _GL_GNUC_PREREQ (2, 95) +# define _GL_ATTR_deprecated _GL_GNUC_PREREQ (3, 1) +# define _GL_ATTR_diagnose_if 0 +# define _GL_ATTR_error _GL_GNUC_PREREQ (4, 3) +# define _GL_ATTR_externally_visible _GL_GNUC_PREREQ (4, 1) +# define _GL_ATTR_fallthrough _GL_GNUC_PREREQ (7, 0) +# define _GL_ATTR_format _GL_GNUC_PREREQ (2, 7) +# define _GL_ATTR_leaf _GL_GNUC_PREREQ (4, 6) +# define _GL_ATTR_malloc _GL_GNUC_PREREQ (3, 0) +# ifdef _ICC +# define _GL_ATTR_may_alias 0 +# else +# define _GL_ATTR_may_alias _GL_GNUC_PREREQ (3, 3) +# endif +# define _GL_ATTR_noinline _GL_GNUC_PREREQ (3, 1) +# define _GL_ATTR_nonnull _GL_GNUC_PREREQ (3, 3) +# define _GL_ATTR_nonstring _GL_GNUC_PREREQ (8, 0) +# define _GL_ATTR_nothrow _GL_GNUC_PREREQ (3, 3) +# define _GL_ATTR_packed _GL_GNUC_PREREQ (2, 7) +# define _GL_ATTR_pure _GL_GNUC_PREREQ (2, 96) +# define _GL_ATTR_returns_nonnull _GL_GNUC_PREREQ (4, 9) +# define _GL_ATTR_sentinel _GL_GNUC_PREREQ (4, 0) +# define _GL_ATTR_unused _GL_GNUC_PREREQ (2, 7) +# define _GL_ATTR_warn_unused_result _GL_GNUC_PREREQ (3, 4) # endif -# define _GL_HAS_C_ATTRIBUTE(attr) __has_c_attribute (__##attr##__) +#endif + +/* Use __has_c_attribute if available. However, do not use with + pre-C23 GCC, which can issue false positives if -Wpedantic. */ +#if (defined __has_c_attribute \ + && ! (_GL_GNUC_PREREQ (4, 6) \ + && (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) <= 201710)) +# define _GL_HAVE___HAS_C_ATTRIBUTE 1 #else -# define _GL_HAS_C_ATTRIBUTE(attr) 0 +# define _GL_HAVE___HAS_C_ATTRIBUTE 0 #endif +/* Define if, in a function declaration, the attributes in bracket syntax + [[...]] must come before the attributes in __attribute__((...)) syntax. + If this is defined, it is best to avoid the bracket syntax, so that the + various _GL_ATTRIBUTE_* can be cumulated on the same declaration in any + order. */ +#ifdef __cplusplus +# if defined __clang__ +# define _GL_BRACKET_BEFORE_ATTRIBUTE 1 +# endif +#else +# if defined __GNUC__ && !defined __clang__ +# define _GL_BRACKET_BEFORE_ATTRIBUTE 1 +# endif +#endif /* _GL_ATTRIBUTE_ALLOC_SIZE ((N)) declares that the Nth argument of the function is the size of the returned memory block. @@ -1799,29 +1988,35 @@ by the Nth argument of the function is the size of the returned memory block. */ /* Applies to: function, pointer to function, function types. */ -#if _GL_HAS_ATTRIBUTE (alloc_size) -# define _GL_ATTRIBUTE_ALLOC_SIZE(args) __attribute__ ((__alloc_size__ args)) -#else -# define _GL_ATTRIBUTE_ALLOC_SIZE(args) +#ifndef _GL_ATTRIBUTE_ALLOC_SIZE +# if _GL_HAS_ATTRIBUTE (alloc_size) +# define _GL_ATTRIBUTE_ALLOC_SIZE(args) __attribute__ ((__alloc_size__ args)) +# else +# define _GL_ATTRIBUTE_ALLOC_SIZE(args) +# endif #endif /* _GL_ATTRIBUTE_ALWAYS_INLINE tells that the compiler should always inline the function and report an error if it cannot do so. */ /* Applies to: function. */ -#if _GL_HAS_ATTRIBUTE (always_inline) -# define _GL_ATTRIBUTE_ALWAYS_INLINE __attribute__ ((__always_inline__)) -#else -# define _GL_ATTRIBUTE_ALWAYS_INLINE +#ifndef _GL_ATTRIBUTE_ALWAYS_INLINE +# if _GL_HAS_ATTRIBUTE (always_inline) +# define _GL_ATTRIBUTE_ALWAYS_INLINE __attribute__ ((__always_inline__)) +# else +# define _GL_ATTRIBUTE_ALWAYS_INLINE +# endif #endif /* _GL_ATTRIBUTE_ARTIFICIAL declares that the function is not important to show in stack traces when debugging. The compiler should omit the function from stack traces. */ /* Applies to: function. */ -#if _GL_HAS_ATTRIBUTE (artificial) -# define _GL_ATTRIBUTE_ARTIFICIAL __attribute__ ((__artificial__)) -#else -# define _GL_ATTRIBUTE_ARTIFICIAL +#ifndef _GL_ATTRIBUTE_ARTIFICIAL +# if _GL_HAS_ATTRIBUTE (artificial) +# define _GL_ATTRIBUTE_ARTIFICIAL __attribute__ ((__artificial__)) +# else +# define _GL_ATTRIBUTE_ARTIFICIAL +# endif #endif /* _GL_ATTRIBUTE_COLD declares that the function is rarely executed. */ @@ -1829,14 +2024,16 @@ /* Avoid __attribute__ ((cold)) on MinGW; see thread starting at <https://lists.gnu.org/r/emacs-devel/2019-04/msg01152.html>. Also, Oracle Studio 12.6 requires 'cold' not '__cold__'. */ -#if _GL_HAS_ATTRIBUTE (cold) && !defined __MINGW32__ -# ifndef __SUNPRO_C -# define _GL_ATTRIBUTE_COLD __attribute__ ((__cold__)) +#ifndef _GL_ATTRIBUTE_COLD +# if _GL_HAS_ATTRIBUTE (cold) && !defined __MINGW32__ +# ifndef __SUNPRO_C +# define _GL_ATTRIBUTE_COLD __attribute__ ((__cold__)) +# else +# define _GL_ATTRIBUTE_COLD __attribute__ ((cold)) +# endif # else -# define _GL_ATTRIBUTE_COLD __attribute__ ((cold)) +# define _GL_ATTRIBUTE_COLD # endif -#else -# define _GL_ATTRIBUTE_COLD #endif /* _GL_ATTRIBUTE_CONST declares that it is OK for a compiler to omit duplicate @@ -1846,10 +2043,12 @@ forever, and does not call longjmp. (This attribute is stricter than _GL_ATTRIBUTE_PURE.) */ /* Applies to: functions. */ -#if _GL_HAS_ATTRIBUTE (const) -# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__)) -#else -# define _GL_ATTRIBUTE_CONST +#ifndef _GL_ATTRIBUTE_CONST +# if _GL_HAS_ATTRIBUTE (const) +# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__)) +# else +# define _GL_ATTRIBUTE_CONST +# endif #endif /* _GL_ATTRIBUTE_DEALLOC (F, I) declares that the function returns pointers @@ -1858,16 +2057,25 @@ _GL_ATTRIBUTE_DEALLOC_FREE declares that the function returns pointers that can be freed via 'free'; it can be used only after declaring 'free'. */ /* Applies to: functions. Cannot be used on inline functions. */ -#if _GL_GNUC_PREREQ (11, 0) -# define _GL_ATTRIBUTE_DEALLOC(f, i) __attribute__ ((__malloc__ (f, i))) -#else -# define _GL_ATTRIBUTE_DEALLOC(f, i) +#ifndef _GL_ATTRIBUTE_DEALLOC +# if _GL_GNUC_PREREQ (11, 0) +# define _GL_ATTRIBUTE_DEALLOC(f, i) __attribute__ ((__malloc__ (f, i))) +# else +# define _GL_ATTRIBUTE_DEALLOC(f, i) +# endif #endif /* If gnulib's <string.h> or <wchar.h> has already defined this macro, continue to use this earlier definition, since <stdlib.h> may not have been included yet. */ #ifndef _GL_ATTRIBUTE_DEALLOC_FREE -# define _GL_ATTRIBUTE_DEALLOC_FREE _GL_ATTRIBUTE_DEALLOC (free, 1) +# if defined __cplusplus && defined __GNUC__ && !defined __clang__ +/* Work around GCC bug <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108231> */ +# define _GL_ATTRIBUTE_DEALLOC_FREE \ + _GL_ATTRIBUTE_DEALLOC ((void (*) (void *)) free, 1) +# else +# define _GL_ATTRIBUTE_DEALLOC_FREE \ + _GL_ATTRIBUTE_DEALLOC (free, 1) +# endif #endif /* _GL_ATTRIBUTE_DEPRECATED: Declares that an entity is deprecated. @@ -1878,12 +2086,20 @@ - enumeration, enumeration item, - typedef, in C++ also: namespace, class, template specialization. */ -#if _GL_HAS_C_ATTRIBUTE (deprecated) -# define _GL_ATTRIBUTE_DEPRECATED [[__deprecated__]] -#elif _GL_HAS_ATTRIBUTE (deprecated) -# define _GL_ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__)) -#else -# define _GL_ATTRIBUTE_DEPRECATED +#ifndef _GL_ATTRIBUTE_DEPRECATED +# ifndef _GL_BRACKET_BEFORE_ATTRIBUTE +# if _GL_HAVE___HAS_C_ATTRIBUTE +# if __has_c_attribute (__deprecated__) +# define _GL_ATTRIBUTE_DEPRECATED [[__deprecated__]] +# endif +# endif +# endif +# if !defined _GL_ATTRIBUTE_DEPRECATED && _GL_HAS_ATTRIBUTE (deprecated) +# define _GL_ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__)) +# endif +# ifndef _GL_ATTRIBUTE_DEPRECATED +# define _GL_ATTRIBUTE_DEPRECATED +# endif #endif /* _GL_ATTRIBUTE_ERROR(msg) requests an error if a function is called and @@ -1891,24 +2107,28 @@ _GL_ATTRIBUTE_WARNING(msg) requests a warning if a function is called and the function call is not optimized away. */ /* Applies to: functions. */ -#if _GL_HAS_ATTRIBUTE (error) -# define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__error__ (msg))) -# define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__warning__ (msg))) -#elif _GL_HAS_ATTRIBUTE (diagnose_if) -# define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__diagnose_if__ (1, msg, "error"))) -# define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__diagnose_if__ (1, msg, "warning"))) -#else -# define _GL_ATTRIBUTE_ERROR(msg) -# define _GL_ATTRIBUTE_WARNING(msg) +#if !(defined _GL_ATTRIBUTE_ERROR && defined _GL_ATTRIBUTE_WARNING) +# if _GL_HAS_ATTRIBUTE (error) +# define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__error__ (msg))) +# define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__warning__ (msg))) +# elif _GL_HAS_ATTRIBUTE (diagnose_if) +# define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__diagnose_if__ (1, msg, "error"))) +# define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__diagnose_if__ (1, msg, "warning"))) +# else +# define _GL_ATTRIBUTE_ERROR(msg) +# define _GL_ATTRIBUTE_WARNING(msg) +# endif #endif /* _GL_ATTRIBUTE_EXTERNALLY_VISIBLE declares that the entity should remain visible to debuggers etc., even with '-fwhole-program'. */ /* Applies to: functions, variables. */ -#if _GL_HAS_ATTRIBUTE (externally_visible) -# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((externally_visible)) -#else -# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE +#ifndef _GL_ATTRIBUTE_EXTERNALLY_VISIBLE +# if _GL_HAS_ATTRIBUTE (externally_visible) +# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((externally_visible)) +# else +# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE +# endif #endif /* _GL_ATTRIBUTE_FALLTHROUGH declares that it is not a programming mistake if @@ -1916,12 +2136,18 @@ 'default' label. The compiler should not warn in this case. */ /* Applies to: Empty statement (;), inside a 'switch' statement. */ /* Always expands to something. */ -#if _GL_HAS_C_ATTRIBUTE (fallthrough) -# define _GL_ATTRIBUTE_FALLTHROUGH [[__fallthrough__]] -#elif _GL_HAS_ATTRIBUTE (fallthrough) -# define _GL_ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__)) -#else -# define _GL_ATTRIBUTE_FALLTHROUGH ((void) 0) +#ifndef _GL_ATTRIBUTE_FALLTHROUGH +# if _GL_HAVE___HAS_C_ATTRIBUTE +# if __has_c_attribute (__fallthrough__) +# define _GL_ATTRIBUTE_FALLTHROUGH [[__fallthrough__]] +# endif +# endif +# if !defined _GL_ATTRIBUTE_FALLTHROUGH && _GL_HAS_ATTRIBUTE (fallthrough) +# define _GL_ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__)) +# endif +# ifndef _GL_ATTRIBUTE_FALLTHROUGH +# define _GL_ATTRIBUTE_FALLTHROUGH ((void) 0) +# endif #endif /* _GL_ATTRIBUTE_FORMAT ((ARCHETYPE, STRING-INDEX, FIRST-TO-CHECK)) @@ -1935,10 +2161,12 @@ If FIRST-TO-CHECK is not 0, arguments starting at FIRST-TO_CHECK are suitable for the format string. */ /* Applies to: functions. */ -#if _GL_HAS_ATTRIBUTE (format) -# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) -#else -# define _GL_ATTRIBUTE_FORMAT(spec) +#ifndef _GL_ATTRIBUTE_FORMAT +# if _GL_HAS_ATTRIBUTE (format) +# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) +# else +# define _GL_ATTRIBUTE_FORMAT(spec) +# endif #endif /* _GL_ATTRIBUTE_LEAF declares that if the function is called from some other @@ -1946,19 +2174,23 @@ exception handling. This declaration lets the compiler optimize that unit more aggressively. */ /* Applies to: functions. */ -#if _GL_HAS_ATTRIBUTE (leaf) -# define _GL_ATTRIBUTE_LEAF __attribute__ ((__leaf__)) -#else -# define _GL_ATTRIBUTE_LEAF +#ifndef _GL_ATTRIBUTE_LEAF +# if _GL_HAS_ATTRIBUTE (leaf) +# define _GL_ATTRIBUTE_LEAF __attribute__ ((__leaf__)) +# else +# define _GL_ATTRIBUTE_LEAF +# endif #endif /* _GL_ATTRIBUTE_MALLOC declares that the function returns a pointer to freshly allocated memory. */ /* Applies to: functions. */ -#if _GL_HAS_ATTRIBUTE (malloc) -# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) -#else -# define _GL_ATTRIBUTE_MALLOC +#ifndef _GL_ATTRIBUTE_MALLOC +# if _GL_HAS_ATTRIBUTE (malloc) +# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) +# else +# define _GL_ATTRIBUTE_MALLOC +# endif #endif /* _GL_ATTRIBUTE_MAY_ALIAS declares that pointers to the type may point to the @@ -1966,10 +2198,12 @@ strict aliasing optimization. */ /* Applies to: types. */ /* Oracle Studio 12.6 mishandles may_alias despite __has_attribute OK. */ -#if _GL_HAS_ATTRIBUTE (may_alias) && !defined __SUNPRO_C -# define _GL_ATTRIBUTE_MAY_ALIAS __attribute__ ((__may_alias__)) -#else -# define _GL_ATTRIBUTE_MAY_ALIAS +#ifndef _GL_ATTRIBUTE_MAY_ALIAS +# if _GL_HAS_ATTRIBUTE (may_alias) && !defined __SUNPRO_C +# define _GL_ATTRIBUTE_MAY_ALIAS __attribute__ ((__may_alias__)) +# else +# define _GL_ATTRIBUTE_MAY_ALIAS +# endif #endif /* _GL_ATTRIBUTE_MAYBE_UNUSED declares that it is not a programming mistake if @@ -1981,13 +2215,26 @@ - enumeration, enumeration item, - typedef, in C++ also: class. */ -/* In C++ and C2x, this is spelled [[__maybe_unused__]]. +/* In C++ and C23, this is spelled [[__maybe_unused__]]. GCC's syntax is __attribute__ ((__unused__)). - clang supports both syntaxes. */ -#if _GL_HAS_C_ATTRIBUTE (maybe_unused) -# define _GL_ATTRIBUTE_MAYBE_UNUSED [[__maybe_unused__]] -#else -# define _GL_ATTRIBUTE_MAYBE_UNUSED _GL_ATTRIBUTE_UNUSED + clang supports both syntaxes. Except that with clang ≥ 6, < 10, in C++ mode, + __has_c_attribute (__maybe_unused__) yields true but the use of + [[__maybe_unused__]] nevertheless produces a warning. */ +#ifndef _GL_ATTRIBUTE_MAYBE_UNUSED +# ifndef _GL_BRACKET_BEFORE_ATTRIBUTE +# if defined __clang__ && defined __cplusplus +# if !defined __apple_build_version__ && __clang_major__ >= 10 +# define _GL_ATTRIBUTE_MAYBE_UNUSED [[__maybe_unused__]] +# endif +# elif _GL_HAVE___HAS_C_ATTRIBUTE +# if __has_c_attribute (__maybe_unused__) +# define _GL_ATTRIBUTE_MAYBE_UNUSED [[__maybe_unused__]] +# endif +# endif +# endif +# ifndef _GL_ATTRIBUTE_MAYBE_UNUSED +# define _GL_ATTRIBUTE_MAYBE_UNUSED _GL_ATTRIBUTE_UNUSED +# endif #endif /* Alternative spelling of this macro, for convenience and for compatibility with glibc/include/libc-symbols.h. */ @@ -1999,21 +2246,40 @@ discard the return value. The compiler may warn if the caller does not use the return value, unless the caller uses something like ignore_value. */ /* Applies to: function, enumeration, class. */ -#if _GL_HAS_C_ATTRIBUTE (nodiscard) -# define _GL_ATTRIBUTE_NODISCARD [[__nodiscard__]] -#elif _GL_HAS_ATTRIBUTE (warn_unused_result) -# define _GL_ATTRIBUTE_NODISCARD __attribute__ ((__warn_unused_result__)) -#else -# define _GL_ATTRIBUTE_NODISCARD +#ifndef _GL_ATTRIBUTE_NODISCARD +# ifndef _GL_BRACKET_BEFORE_ATTRIBUTE +# if defined __clang__ && defined __cplusplus + /* With clang up to 15.0.6 (at least), in C++ mode, [[__nodiscard__]] produces + a warning. + The 1000 below means a yet unknown threshold. When clang++ version X + starts supporting [[__nodiscard__]] without warning about it, you can + replace the 1000 with X. */ +# if __clang_major__ >= 1000 +# define _GL_ATTRIBUTE_NODISCARD [[__nodiscard__]] +# endif +# elif _GL_HAVE___HAS_C_ATTRIBUTE +# if __has_c_attribute (__nodiscard__) +# define _GL_ATTRIBUTE_NODISCARD [[__nodiscard__]] +# endif +# endif +# endif +# if !defined _GL_ATTRIBUTE_NODISCARD && _GL_HAS_ATTRIBUTE (warn_unused_result) +# define _GL_ATTRIBUTE_NODISCARD __attribute__ ((__warn_unused_result__)) +# endif +# ifndef _GL_ATTRIBUTE_NODISCARD +# define _GL_ATTRIBUTE_NODISCARD +# endif #endif /* _GL_ATTRIBUTE_NOINLINE tells that the compiler should not inline the function. */ /* Applies to: functions. */ -#if _GL_HAS_ATTRIBUTE (noinline) -# define _GL_ATTRIBUTE_NOINLINE __attribute__ ((__noinline__)) -#else -# define _GL_ATTRIBUTE_NOINLINE +#ifndef _GL_ATTRIBUTE_NOINLINE +# if _GL_HAS_ATTRIBUTE (noinline) +# define _GL_ATTRIBUTE_NOINLINE __attribute__ ((__noinline__)) +# else +# define _GL_ATTRIBUTE_NOINLINE +# endif #endif /* _GL_ATTRIBUTE_NONNULL ((N1, N2,...)) declares that the arguments N1, N2,... @@ -2021,20 +2287,24 @@ _GL_ATTRIBUTE_NONNULL () declares that all pointer arguments must not be null. */ /* Applies to: functions. */ -#if _GL_HAS_ATTRIBUTE (nonnull) -# define _GL_ATTRIBUTE_NONNULL(args) __attribute__ ((__nonnull__ args)) -#else -# define _GL_ATTRIBUTE_NONNULL(args) +#ifndef _GL_ATTRIBUTE_NONNULL +# if _GL_HAS_ATTRIBUTE (nonnull) +# define _GL_ATTRIBUTE_NONNULL(args) __attribute__ ((__nonnull__ args)) +# else +# define _GL_ATTRIBUTE_NONNULL(args) +# endif #endif /* _GL_ATTRIBUTE_NONSTRING declares that the contents of a character array is not meant to be NUL-terminated. */ /* Applies to: struct/union members and variables that are arrays of element type '[[un]signed] char'. */ -#if _GL_HAS_ATTRIBUTE (nonstring) -# define _GL_ATTRIBUTE_NONSTRING __attribute__ ((__nonstring__)) -#else -# define _GL_ATTRIBUTE_NONSTRING +#ifndef _GL_ATTRIBUTE_NONSTRING +# if _GL_HAS_ATTRIBUTE (nonstring) +# define _GL_ATTRIBUTE_NONSTRING __attribute__ ((__nonstring__)) +# else +# define _GL_ATTRIBUTE_NONSTRING +# endif #endif /* There is no _GL_ATTRIBUTE_NORETURN; use _Noreturn instead. */ @@ -2042,10 +2312,26 @@ /* _GL_ATTRIBUTE_NOTHROW declares that the function does not throw exceptions. */ /* Applies to: functions. */ -#if _GL_HAS_ATTRIBUTE (nothrow) && !defined __cplusplus -# define _GL_ATTRIBUTE_NOTHROW __attribute__ ((__nothrow__)) -#else -# define _GL_ATTRIBUTE_NOTHROW +/* After a function's parameter list, this attribute must come first, before + other attributes. */ +#ifndef _GL_ATTRIBUTE_NOTHROW +# if defined __cplusplus +# if _GL_GNUC_PREREQ (2, 8) || __clang_major >= 4 +# if __cplusplus >= 201103L +# define _GL_ATTRIBUTE_NOTHROW noexcept (true) +# else +# define _GL_ATTRIBUTE_NOTHROW throw () +# endif +# else +# define _GL_ATTRIBUTE_NOTHROW +# endif +# else +# if _GL_HAS_ATTRIBUTE (nothrow) +# define _GL_ATTRIBUTE_NOTHROW __attribute__ ((__nothrow__)) +# else +# define _GL_ATTRIBUTE_NOTHROW +# endif +# endif #endif /* _GL_ATTRIBUTE_PACKED declares: @@ -2054,10 +2340,12 @@ minimizing the memory required. */ /* Applies to: struct members, struct, union, in C++ also: class. */ -#if _GL_HAS_ATTRIBUTE (packed) -# define _GL_ATTRIBUTE_PACKED __attribute__ ((__packed__)) -#else -# define _GL_ATTRIBUTE_PACKED +#ifndef _GL_ATTRIBUTE_PACKED +# if _GL_HAS_ATTRIBUTE (packed) +# define _GL_ATTRIBUTE_PACKED __attribute__ ((__packed__)) +# else +# define _GL_ATTRIBUTE_PACKED +# endif #endif /* _GL_ATTRIBUTE_PURE declares that It is OK for a compiler to omit duplicate @@ -2067,19 +2355,23 @@ observable state, and always returns exactly once. (This attribute is looser than _GL_ATTRIBUTE_CONST.) */ /* Applies to: functions. */ -#if _GL_HAS_ATTRIBUTE (pure) -# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) -#else -# define _GL_ATTRIBUTE_PURE +#ifndef _GL_ATTRIBUTE_PURE +# if _GL_HAS_ATTRIBUTE (pure) +# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) +# else +# define _GL_ATTRIBUTE_PURE +# endif #endif /* _GL_ATTRIBUTE_RETURNS_NONNULL declares that the function's return value is a non-NULL pointer. */ /* Applies to: functions. */ -#if _GL_HAS_ATTRIBUTE (returns_nonnull) -# define _GL_ATTRIBUTE_RETURNS_NONNULL __attribute__ ((__returns_nonnull__)) -#else -# define _GL_ATTRIBUTE_RETURNS_NONNULL +#ifndef _GL_ATTRIBUTE_RETURNS_NONNULL +# if _GL_HAS_ATTRIBUTE (returns_nonnull) +# define _GL_ATTRIBUTE_RETURNS_NONNULL __attribute__ ((__returns_nonnull__)) +# else +# define _GL_ATTRIBUTE_RETURNS_NONNULL +# endif #endif /* _GL_ATTRIBUTE_SENTINEL(pos) declares that the variadic function expects a @@ -2087,17 +2379,21 @@ _GL_ATTRIBUTE_SENTINEL () - The last argument is NULL (requires C99). _GL_ATTRIBUTE_SENTINEL ((N)) - The (N+1)st argument from the end is NULL. */ /* Applies to: functions. */ -#if _GL_HAS_ATTRIBUTE (sentinel) -# define _GL_ATTRIBUTE_SENTINEL(pos) __attribute__ ((__sentinel__ pos)) -#else -# define _GL_ATTRIBUTE_SENTINEL(pos) +#ifndef _GL_ATTRIBUTE_SENTINEL +# if _GL_HAS_ATTRIBUTE (sentinel) +# define _GL_ATTRIBUTE_SENTINEL(pos) __attribute__ ((__sentinel__ pos)) +# else +# define _GL_ATTRIBUTE_SENTINEL(pos) +# endif #endif /* A helper macro. Don't use it directly. */ -#if _GL_HAS_ATTRIBUTE (unused) -# define _GL_ATTRIBUTE_UNUSED __attribute__ ((__unused__)) -#else -# define _GL_ATTRIBUTE_UNUSED +#ifndef _GL_ATTRIBUTE_UNUSED +# if _GL_HAS_ATTRIBUTE (unused) +# define _GL_ATTRIBUTE_UNUSED __attribute__ ((__unused__)) +# else +# define _GL_ATTRIBUTE_UNUSED +# endif #endif @@ -2107,17 +2403,31 @@ /* Applies to: label (both in C and C++). */ /* Note that g++ < 4.5 does not support the '__attribute__ ((__unused__)) ;' syntax. But clang does. */ -#if !(defined __cplusplus && !_GL_GNUC_PREREQ (4, 5)) || defined __clang__ -# define _GL_UNUSED_LABEL _GL_ATTRIBUTE_UNUSED +#ifndef _GL_UNUSED_LABEL +# if !(defined __cplusplus && !_GL_GNUC_PREREQ (4, 5)) || defined __clang__ +# define _GL_UNUSED_LABEL _GL_ATTRIBUTE_UNUSED +# else +# define _GL_UNUSED_LABEL +# endif +#endif + + +/* In C++, there is the concept of "language linkage", that encompasses + name mangling and function calling conventions. + The following macros start and end a block of "C" linkage. */ +#ifdef __cplusplus +# define _GL_BEGIN_C_LINKAGE extern "C" { +# define _GL_END_C_LINKAGE } #else -# define _GL_UNUSED_LABEL +# define _GL_BEGIN_C_LINKAGE +# define _GL_END_C_LINKAGE #endif -/* Define to `int' if <sys/types.h> doesn't define. */ +/* Define as 'int' if <sys/types.h> doesn't define. */ #undef gid_t -/* Define to `__inline__' or `__inline' if that's what the C compiler +/* 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 @@ -2155,7 +2465,7 @@ #define _GL_CMP(n1, n2) (((n1) > (n2)) - ((n1) < (n2))) -/* Define to `int' if <sys/types.h> does not define. */ +/* Define to 'int' if <sys/types.h> does not define. */ #undef mode_t /* Define to the type of st_nlink in struct stat, or a supertype. */ @@ -2183,7 +2493,7 @@ # define __restrict__ #endif -/* Define to `unsigned int' if <sys/types.h> does not define. */ +/* Define as 'unsigned int' if <stddef.h> doesn't define. */ #undef size_t /* type to use in place of socklen_t if not defined */ @@ -2192,7 +2502,7 @@ /* Define as a signed type of the same size as size_t. */ #undef ssize_t -/* Define to `int' if <sys/types.h> doesn't define. */ +/* Define as 'int' if <sys/types.h> doesn't define. */ #undef uid_t @@ -2214,64 +2524,121 @@ /* Define to an unsigned 32-bit type if <sys/types.h> lacks this type. */ #undef useconds_t -#if !defined HAVE_C_ALIGNASOF && __cplusplus < 201103 && !defined alignof -# if HAVE_STDALIGN_H +#if !defined HAVE_C_ALIGNASOF \ + && !(defined __cplusplus && 201103 <= __cplusplus) \ + && !defined alignof +# if defined HAVE_STDALIGN_H # include <stdalign.h> -# else - /* Substitute. Keep consistent with gnulib/lib/stdalign.in.h. */ -# ifndef _GL_STDALIGN_H -# define _GL_STDALIGN_H -# undef _Alignas -# undef _Alignof -# if (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 \ - || (defined __GNUC__ && __GNUC__ < 4 + (__GNUC_MINOR__ < 9) \ - && !defined __clang__) \ - || (defined __clang__ && __clang_major__ < 8)) -# ifdef __cplusplus -# if (201103 <= __cplusplus || defined _MSC_VER) -# define _Alignof(type) alignof (type) +# endif + +/* ISO C23 alignas and alignof for platforms that lack it. + + References: + ISO C23 (latest free draft + <http://www.open-std.org/jtc1/sc22/wg14/www/docs/n3047.pdf>) + sections 6.5.3.4, 6.7.5, 7.15. + C++11 (latest free draft + <http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3242.pdf>) + section 18.10. */ + +/* alignof (TYPE), also known as _Alignof (TYPE), yields the alignment + requirement of a structure member (i.e., slot or field) that is of + type TYPE, as an integer constant expression. + + This differs from GCC's and clang's __alignof__ operator, which can + yield a better-performing alignment for an object of that type. For + example, on x86 with GCC and on Linux/x86 with clang, + __alignof__ (double) and __alignof__ (long long) are 8, whereas + alignof (double) and alignof (long long) are 4 unless the option + '-malign-double' is used. + + The result cannot be used as a value for an 'enum' constant, if you + want to be portable to HP-UX 10.20 cc and AIX 3.2.5 xlc. */ + +/* GCC releases before GCC 4.9 had a bug in _Alignof. See GCC bug 52023 + <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>. + clang versions < 8.0.0 have the same bug. */ +# if (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 \ + || (defined __GNUC__ && __GNUC__ < 4 + (__GNUC_MINOR__ < 9) \ + && !defined __clang__) \ + || (defined __clang__ && __clang_major__ < 8)) +# undef/**/_Alignof +# ifdef __cplusplus +# if (201103 <= __cplusplus || defined _MSC_VER) +# define _Alignof(type) alignof (type) +# else + template <class __t> struct __alignof_helper { char __a; __t __b; }; +# if (defined __GNUC__ && 4 <= __GNUC__) || defined __clang__ +# define _Alignof(type) __builtin_offsetof (__alignof_helper<type>, __b) # else - template <class __t> struct __alignof_helper { char __a; __t __b; }; # define _Alignof(type) offsetof (__alignof_helper<type>, __b) -# define _GL_STDALIGN_NEEDS_STDDEF 1 # endif +# define _GL_STDALIGN_NEEDS_STDDEF 1 +# endif +# else +# if (defined __GNUC__ && 4 <= __GNUC__) || defined __clang__ +# define _Alignof(type) __builtin_offsetof (struct { char __a; type __b; }, __b) # else # define _Alignof(type) offsetof (struct { char __a; type __b; }, __b) # define _GL_STDALIGN_NEEDS_STDDEF 1 # endif # endif -# if ! (defined __cplusplus && (201103 <= __cplusplus || defined _MSC_VER)) -# define alignof _Alignof -# endif -# define __alignof_is_defined 1 -# if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 -# if defined __cplusplus && (201103 <= __cplusplus || defined _MSC_VER) -# define _Alignas(a) alignas (a) -# elif (!defined __attribute__ \ - && ((defined __APPLE__ && defined __MACH__ \ - ? 4 < __GNUC__ + (1 <= __GNUC_MINOR__) \ - : __GNUC__ && !defined __ibmxl__) \ - || (4 <= __clang_major__) \ - || (__ia64 && (61200 <= __HP_cc || 61200 <= __HP_aCC)) \ - || __ICC || 0x590 <= __SUNPRO_C || 0x0600 <= __xlC__)) -# define _Alignas(a) __attribute__ ((__aligned__ (a))) -# elif 1300 <= _MSC_VER -# define _Alignas(a) __declspec (align (a)) -# endif -# endif -# if ((defined _Alignas \ - && !(defined __cplusplus && (201103 <= __cplusplus || defined _MSC_VER))) \ - || (defined __STDC_VERSION__ && 201112 <= __STDC_VERSION__)) -# define alignas _Alignas -# endif -# if (defined alignas \ - || (defined __cplusplus && (201103 <= __cplusplus || defined _MSC_VER))) -# define __alignas_is_defined 1 -# endif -# if _GL_STDALIGN_NEEDS_STDDEF -# include <stddef.h> -# endif -# endif /* _GL_STDALIGN_H */ +# endif +# if ! (defined __cplusplus && (201103 <= __cplusplus || defined _MSC_VER)) +# undef/**/alignof +# define alignof _Alignof +# endif + +/* alignas (A), also known as _Alignas (A), aligns a variable or type + to the alignment A, where A is an integer constant expression. For + example: + + int alignas (8) foo; + struct s { int a; int alignas (8) bar; }; + + aligns the address of FOO and the offset of BAR to be multiples of 8. + + A should be a power of two that is at least the type's alignment + and at most the implementation's alignment limit. This limit is + 2**28 on typical GNUish hosts, and 2**13 on MSVC. To be portable + to MSVC through at least version 10.0, A should be an integer + constant, as MSVC does not support expressions such as 1 << 3. + To be portable to Sun C 5.11, do not align auto variables to + anything stricter than their default alignment. + + The following C23 requirements are not supported here: + + - If A is zero, alignas has no effect. + - alignas can be used multiple times; the strictest one wins. + - alignas (TYPE) is equivalent to alignas (alignof (TYPE)). + + */ +# if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 +# if defined __cplusplus && (201103 <= __cplusplus || defined _MSC_VER) +# define _Alignas(a) alignas (a) +# elif (!defined __attribute__ \ + && ((defined __APPLE__ && defined __MACH__ \ + ? 4 < __GNUC__ + (1 <= __GNUC_MINOR__) \ + : __GNUC__ && !defined __ibmxl__) \ + || (4 <= __clang_major__) \ + || (__ia64 && (61200 <= __HP_cc || 61200 <= __HP_aCC)) \ + || __ICC || 0x590 <= __SUNPRO_C || 0x0600 <= __xlC__)) +# define _Alignas(a) __attribute__ ((__aligned__ (a))) +# elif 1300 <= _MSC_VER +# define _Alignas(a) __declspec (align (a)) +# endif +# endif +# if !defined HAVE_STDALIGN_H +# if ((defined _Alignas \ + && !(defined __cplusplus \ + && (201103 <= __cplusplus || defined _MSC_VER))) \ + || (defined __STDC_VERSION__ && 201112 <= __STDC_VERSION__)) +# define alignas _Alignas +# endif +# endif + +# if defined _GL_STDALIGN_NEEDS_STDDEF +# include <stddef.h> # endif #endif @@ -2298,4 +2665,13 @@ && __GNUG__ < 6 && __clang_major__ < 6))) #include <assert.h> #undef/**/assert + #ifdef __sgi + #undef/**/__ASSERT_H__ + #endif + /* Solaris 11.4 <assert.h> defines static_assert as a macro with 2 arguments. + We need it also to be invocable with a single argument. */ + #if defined __sun && (__STDC_VERSION__ - 0 >= 201112L) && !defined __cplusplus + #undef/**/static_assert + #define static_assert _Static_assert + #endif #endif |