diff options
Diffstat (limited to 'm4/stdint.m4')
| -rw-r--r-- | m4/stdint.m4 | 361 |
1 files changed, 0 insertions, 361 deletions
diff --git a/m4/stdint.m4 b/m4/stdint.m4 deleted file mode 100644 index 48748c613..000000000 --- a/m4/stdint.m4 +++ /dev/null @@ -1,361 +0,0 @@ -# stdint.m4 serial 18 -dnl Copyright (C) 2001-2002, 2004-2006 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl From Paul Eggert and Bruno Haible. -dnl Test whether <stdint.h> is supported or must be substituted. - -AC_DEFUN([gl_STDINT_H], -[ - AC_PREREQ(2.59)dnl - - dnl Check for long long int. - AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) - if test $ac_cv_type_long_long_int = yes; then - HAVE_LONG_LONG_INT=1 - else - HAVE_LONG_LONG_INT=0 - fi - AC_SUBST([HAVE_LONG_LONG_INT]) - - dnl Check for <wchar.h>. - AC_CHECK_HEADERS_ONCE([wchar.h]) - if test $ac_cv_header_wchar_h = yes; then - HAVE_WCHAR_H=1 - else - HAVE_WCHAR_H=0 - fi - AC_SUBST([HAVE_WCHAR_H]) - - dnl Check for <inttypes.h>. - dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_inttypes_h. - if test $ac_cv_header_inttypes_h = yes; then - HAVE_INTTYPES_H=1 - else - HAVE_INTTYPES_H=0 - fi - AC_SUBST([HAVE_INTTYPES_H]) - - dnl Check for <sys/types.h>. - dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_sys_types_h. - if test $ac_cv_header_sys_types_h = yes; then - HAVE_SYS_TYPES_H=1 - else - HAVE_SYS_TYPES_H=0 - fi - AC_SUBST([HAVE_SYS_TYPES_H]) - - dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_stdint_h. - if test $ac_cv_header_stdint_h = yes; then - gl_ABSOLUTE_HEADER([stdint.h]) - ABSOLUTE_STDINT_H=\"$gl_cv_absolute_stdint_h\" - HAVE_STDINT_H=1 - else - ABSOLUTE_STDINT_H=\"no/such/file/stdint.h\" - HAVE_STDINT_H=0 - fi - AC_SUBST([ABSOLUTE_STDINT_H]) - AC_SUBST([HAVE_STDINT_H]) - - dnl Now see whether we need a substitute <stdint.h>. Use - dnl ABSOLUTE_STDINT_H, not <stdint.h>, so that it also works during - dnl a "config.status --recheck" if a stdint.h has been - dnl created in the build directory. - if test $ac_cv_header_stdint_h = yes; then - AC_CACHE_CHECK([whether stdint.h conforms to C99], - [gl_cv_header_working_stdint_h], - [gl_cv_header_working_stdint_h=no - AC_COMPILE_IFELSE([ - AC_LANG_PROGRAM([[ -#include <stddef.h> -#define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */ -#define __STDC_CONSTANT_MACROS 1 /* to make it work also in C++ mode */ -#include ABSOLUTE_STDINT_H -#ifdef INT8_MAX -int8_t a1 = INT8_MAX; -int8_t a1min = INT8_MIN; -#endif -#ifdef INT16_MAX -int16_t a2 = INT16_MAX; -int16_t a2min = INT16_MIN; -#endif -#ifdef INT32_MAX -int32_t a3 = INT32_MAX; -int32_t a3min = INT32_MIN; -#endif -#ifdef INT64_MAX -int64_t a4 = INT64_MAX; -int64_t a4min = INT64_MIN; -#endif -#ifdef UINT8_MAX -uint8_t b1 = UINT8_MAX; -#else -typedef int b1[(unsigned char) -1 != 255 ? 1 : -1]; -#endif -#ifdef UINT16_MAX -uint16_t b2 = UINT16_MAX; -#endif -#ifdef UINT32_MAX -uint32_t b3 = UINT32_MAX; -#endif -#ifdef UINT64_MAX -uint64_t b4 = UINT64_MAX; -#endif -int_least8_t c1 = INT8_C (0x7f); -int_least8_t c1max = INT_LEAST8_MAX; -int_least8_t c1min = INT_LEAST8_MIN; -int_least16_t c2 = INT16_C (0x7fff); -int_least16_t c2max = INT_LEAST16_MAX; -int_least16_t c2min = INT_LEAST16_MIN; -int_least32_t c3 = INT32_C (0x7fffffff); -int_least32_t c3max = INT_LEAST32_MAX; -int_least32_t c3min = INT_LEAST32_MIN; -int_least64_t c4 = INT64_C (0x7fffffffffffffff); -int_least64_t c4max = INT_LEAST64_MAX; -int_least64_t c4min = INT_LEAST64_MIN; -uint_least8_t d1 = UINT8_C (0xff); -uint_least8_t d1max = UINT_LEAST8_MAX; -uint_least16_t d2 = UINT16_C (0xffff); -uint_least16_t d2max = UINT_LEAST16_MAX; -uint_least32_t d3 = UINT32_C (0xffffffff); -uint_least32_t d3max = UINT_LEAST32_MAX; -uint_least64_t d4 = UINT64_C (0xffffffffffffffff); -uint_least64_t d4max = UINT_LEAST64_MAX; -int_fast8_t e1 = INT_FAST8_MAX; -int_fast8_t e1min = INT_FAST8_MIN; -int_fast16_t e2 = INT_FAST16_MAX; -int_fast16_t e2min = INT_FAST16_MIN; -int_fast32_t e3 = INT_FAST32_MAX; -int_fast32_t e3min = INT_FAST32_MIN; -int_fast64_t e4 = INT_FAST64_MAX; -int_fast64_t e4min = INT_FAST64_MIN; -uint_fast8_t f1 = UINT_FAST8_MAX; -uint_fast16_t f2 = UINT_FAST16_MAX; -uint_fast32_t f3 = UINT_FAST32_MAX; -uint_fast64_t f4 = UINT_FAST64_MAX; -#ifdef INTPTR_MAX -intptr_t g = INTPTR_MAX; -intptr_t gmin = INTPTR_MIN; -#endif -#ifdef UINTPTR_MAX -uintptr_t h = UINTPTR_MAX; -#endif -intmax_t i = INTMAX_MAX; -uintmax_t j = UINTMAX_MAX; -struct s { - int check_PTRDIFF: PTRDIFF_MIN < 0 && 0 < PTRDIFF_MAX ? 1 : -1; - int check_SIG_ATOMIC: SIG_ATOMIC_MIN <= 0 && 0 < SIG_ATOMIC_MAX ? 1 : -1; - int check_SIZE: 0 < SIZE_MAX ? 1 : -1; - int check_WCHAR: WCHAR_MIN <= 0 && 0 < WCHAR_MAX ? 1 : -1; - int check_WINT: WINT_MIN <= 0 && 0 < WINT_MAX ? 1 : -1; - - /* Detect bugs in glibc 2.4 and Solaris 10 stdint.h, among others. */ - int check_UINT8_C: - (-1 < UINT8_C (0)) == (-1 < (uint_least8_t) 0) ? 1 : -1; - int check_UINT16_C: - (-1 < UINT16_C (0)) == (-1 < (uint_least16_t) 0) ? 1 : -1; - - /* Detect bugs in OpenBSD 3.9 stdint.h. */ -#ifdef UINT8_MAX - int check_uint8: (uint8_t) -1 == UINT8_MAX ? 1 : -1; -#endif -#ifdef UINT16_MAX - int check_uint16: (uint16_t) -1 == UINT16_MAX ? 1 : -1; -#endif -#ifdef UINT32_MAX - int check_uint32: (uint32_t) -1 == UINT32_MAX ? 1 : -1; -#endif -#ifdef UINT64_MAX - int check_uint64: (uint64_t) -1 == UINT64_MAX ? 1 : -1; -#endif - int check_uint_least8: (uint_least8_t) -1 == UINT_LEAST8_MAX ? 1 : -1; - int check_uint_least16: (uint_least16_t) -1 == UINT_LEAST16_MAX ? 1 : -1; - int check_uint_least32: (uint_least32_t) -1 == UINT_LEAST32_MAX ? 1 : -1; - int check_uint_least64: (uint_least64_t) -1 == UINT_LEAST64_MAX ? 1 : -1; - int check_uint_fast8: (uint_fast8_t) -1 == UINT_FAST8_MAX ? 1 : -1; - int check_uint_fast16: (uint_fast16_t) -1 == UINT_FAST16_MAX ? 1 : -1; - int check_uint_fast32: (uint_fast32_t) -1 == UINT_FAST32_MAX ? 1 : -1; - int check_uint_fast64: (uint_fast64_t) -1 == UINT_FAST64_MAX ? 1 : -1; - int check_uintptr: (uintptr_t) -1 == UINTPTR_MAX ? 1 : -1; - int check_uintmax: (uintmax_t) -1 == UINTMAX_MAX ? 1 : -1; - int check_size: (size_t) -1 == SIZE_MAX ? 1 : -1; -}; - ]])], - [gl_cv_header_working_stdint_h=yes])]) - fi - if test "$gl_cv_header_working_stdint_h" != yes; then - - dnl Check for <sys/inttypes.h>, and for - dnl <sys/bitypes.h> (used in Linux libc4 >= 4.6.7 and libc5). - AC_CHECK_HEADERS([sys/inttypes.h sys/bitypes.h]) - if test $ac_cv_header_sys_inttypes_h = yes; then - HAVE_SYS_INTTYPES_H=1 - else - HAVE_SYS_INTTYPES_H=0 - fi - AC_SUBST([HAVE_SYS_INTTYPES_H]) - if test $ac_cv_header_sys_bitypes_h = yes; then - HAVE_SYS_BITYPES_H=1 - else - HAVE_SYS_BITYPES_H=0 - fi - AC_SUBST([HAVE_SYS_BITYPES_H]) - - gl_STDINT_TYPE_PROPERTIES - STDINT_H=stdint.h - fi - AC_SUBST(STDINT_H) -]) - -dnl gl_STDINT_BITSIZEOF(TYPES, INCLUDES) -dnl Determine the size of each of the given types in bits. -AC_DEFUN([gl_STDINT_BITSIZEOF], -[ - dnl Use a shell loop, to avoid bloating configure, and - dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into - dnl config.h.in, - dnl - extra AC_SUBST calls, so that the right substitutions are made. - AC_FOREACH([gltype], [$1], - [AH_TEMPLATE([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]), - [Define to the number of bits in type ']gltype['.])]) - for gltype in $1 ; do - AC_CACHE_CHECK([for bit size of $gltype], [gl_cv_bitsizeof_${gltype}], - [_AC_COMPUTE_INT([sizeof ($gltype) * CHAR_BIT], result, - [$2 -#include <limits.h>], [result=unknown]) - eval gl_cv_bitsizeof_${gltype}=\$result - ]) - eval result=\$gl_cv_bitsizeof_${gltype} - if test $result = unknown; then - dnl Use a nonempty default, because some compilers, such as IRIX 5 cc, - dnl do a syntax check even on unused #if conditions and give an error - dnl on valid C code like this: - dnl #if 0 - dnl # if > 32 - dnl # endif - dnl #endif - result=0 - fi - GLTYPE=`echo "$gltype" | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` - AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result]) - eval BITSIZEOF_${GLTYPE}=\$result - done - AC_FOREACH([gltype], [$1], - [AC_SUBST([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))]) -]) - -dnl gl_CHECK_TYPES_SIGNED(TYPES, INCLUDES) -dnl Determine the signedness of each of the given types. -dnl Define HAVE_SIGNED_TYPE if type is signed. -AC_DEFUN([gl_CHECK_TYPES_SIGNED], -[ - dnl Use a shell loop, to avoid bloating configure, and - dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into - dnl config.h.in, - dnl - extra AC_SUBST calls, so that the right substitutions are made. - AC_FOREACH([gltype], [$1], - [AH_TEMPLATE([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]), - [Define to 1 if ']gltype[' is a signed integer type.])]) - for gltype in $1 ; do - AC_CACHE_CHECK([whether $gltype is signed], [gl_cv_type_${gltype}_signed], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([$2[ - int verify[2 * (($gltype) -1 < ($gltype) 0) - 1];]])], - result=yes, result=no) - eval gl_cv_type_${gltype}_signed=\$result - ]) - eval result=\$gl_cv_type_${gltype}_signed - GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` - if test "$result" = yes; then - AC_DEFINE_UNQUOTED([HAVE_SIGNED_${GLTYPE}], 1) - eval HAVE_SIGNED_${GLTYPE}=1 - else - eval HAVE_SIGNED_${GLTYPE}=0 - fi - done - AC_FOREACH([gltype], [$1], - [AC_SUBST([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))]) -]) - -dnl gl_INTEGER_TYPE_SUFFIX(TYPES, INCLUDES) -dnl Determine the suffix to use for integer constants of the given types. -dnl Define t_SUFFIX for each such type. -AC_DEFUN([gl_INTEGER_TYPE_SUFFIX], -[ - dnl Use a shell loop, to avoid bloating configure, and - dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into - dnl config.h.in, - dnl - extra AC_SUBST calls, so that the right substitutions are made. - AC_FOREACH([gltype], [$1], - [AH_TEMPLATE(translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX], - [Define to l, ll, u, ul, ull, etc., as suitable for - constants of type ']gltype['.])]) - for gltype in $1 ; do - AC_CACHE_CHECK([for $gltype integer literal suffix], - [gl_cv_type_${gltype}_suffix], - [eval gl_cv_type_${gltype}_suffix=no - eval result=\$gl_cv_type_${gltype}_signed - if test "$result" = yes; then - glsufu= - else - glsufu=u - fi - for glsuf in "$glsufu" ${glsufu}l ${glsufu}ll ${glsufu}i64; do - case $glsuf in - '') gltype1='int';; - l) gltype1='long int';; - ll) gltype1='long long int';; - i64) gltype1='__int64';; - u) gltype1='unsigned int';; - ul) gltype1='unsigned long int';; - ull) gltype1='unsigned long long int';; - ui64)gltype1='unsigned __int64';; - esac - AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([$2 - extern $gltype foo; - extern $gltype1 foo;])], - [eval gl_cv_type_${gltype}_suffix=\$glsuf]) - eval result=\$gl_cv_type_${gltype}_suffix - test "$result" != no && break - done]) - GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` - eval result=\$gl_cv_type_${gltype}_suffix - test "$result" = no && result= - eval ${GLTYPE}_SUFFIX=\$result - AC_DEFINE_UNQUOTED([${GLTYPE}_SUFFIX], $result) - done - AC_FOREACH([gltype], [$1], - [AC_SUBST(translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])]) -]) - -dnl gl_STDINT_INCLUDES -AC_DEFUN([gl_STDINT_INCLUDES], -[[ - #include <stddef.h> - #include <signal.h> - #if HAVE_WCHAR_H - /* BSD/OS 4.1 has a bug: <stdio.h> and <time.h> must be included before - <wchar.h>. */ - # include <stdio.h> - # include <time.h> - # include <wchar.h> - #endif -]]) - -dnl gl_STDINT_TYPE_PROPERTIES -dnl Compute HAVE_SIGNED_t, BITSIZEOF_t and t_SUFFIX, for all the types t -dnl of interest to stdint_.h. -AC_DEFUN([gl_STDINT_TYPE_PROPERTIES], -[ - gl_STDINT_BITSIZEOF([ptrdiff_t sig_atomic_t size_t wchar_t wint_t], - [gl_STDINT_INCLUDES]) - gl_CHECK_TYPES_SIGNED([sig_atomic_t wchar_t wint_t], - [gl_STDINT_INCLUDES]) - gl_cv_type_ptrdiff_t_signed=yes - gl_cv_type_size_t_signed=no - gl_INTEGER_TYPE_SUFFIX([ptrdiff_t sig_atomic_t size_t wchar_t wint_t], - [gl_STDINT_INCLUDES]) -]) |