| # stdint.m4 serial 58 |
| dnl Copyright (C) 2001-2021 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_PREREQ([2.61]) |
| |
| AC_DEFUN_ONCE([gl_STDINT_H], |
| [ |
| AC_PREREQ([2.59])dnl |
| AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles |
| |
| AC_REQUIRE([gl_LIMITS_H]) |
| AC_REQUIRE([gt_TYPE_WINT_T]) |
| |
| dnl For backward compatibility. Some packages may still be testing these |
| dnl macros. |
| AC_DEFINE([HAVE_LONG_LONG_INT], [1], |
| [Define to 1 if the system has the type 'long long int'.]) |
| AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1], |
| [Define to 1 if the system has the type 'unsigned long long int'.]) |
| |
| dnl Check for <wchar.h>, in the same way as gl_WCHAR_H does. |
| 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>. |
| AC_CHECK_HEADERS_ONCE([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>. |
| AC_CHECK_HEADERS_ONCE([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]) |
| |
| gl_CHECK_NEXT_HEADERS([stdint.h]) |
| if test $ac_cv_header_stdint_h = yes; then |
| HAVE_STDINT_H=1 |
| else |
| HAVE_STDINT_H=0 |
| fi |
| AC_SUBST([HAVE_STDINT_H]) |
| |
| dnl Now see whether we need a substitute <stdint.h>. |
| 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([[ |
| #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ |
| #define __STDC_CONSTANT_MACROS 1 |
| #define __STDC_LIMIT_MACROS 1 |
| #include <stdint.h> |
| /* Dragonfly defines WCHAR_MIN, WCHAR_MAX only in <wchar.h>. */ |
| #if !(defined WCHAR_MIN && defined WCHAR_MAX) |
| #error "WCHAR_MIN, WCHAR_MAX not defined in <stdint.h>" |
| #endif |
| ] |
| gl_STDINT_INCLUDES |
| [ |
| #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; |
| |
| /* Check that SIZE_MAX has the correct type, if possible. */ |
| #if 201112 <= __STDC_VERSION__ |
| int k = _Generic (SIZE_MAX, size_t: 0); |
| #elif (2 <= __GNUC__ || 4 <= __clang_major__ || defined __IBM__TYPEOF__ \ |
| || (0x5110 <= __SUNPRO_C && !__STDC__)) |
| extern size_t k; |
| extern __typeof__ (SIZE_MAX) k; |
| #endif |
| |
| #include <limits.h> /* for CHAR_BIT */ |
| #define TYPE_MINIMUM(t) \ |
| ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ TYPE_MAXIMUM (t))) |
| #define TYPE_MAXIMUM(t) \ |
| ((t) ((t) 0 < (t) -1 \ |
| ? (t) -1 \ |
| : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1))) |
| struct s { |
| int check_PTRDIFF: |
| PTRDIFF_MIN == TYPE_MINIMUM (ptrdiff_t) |
| && PTRDIFF_MAX == TYPE_MAXIMUM (ptrdiff_t) |
| ? 1 : -1; |
| /* Detect bug in FreeBSD 6.0 / ia64. */ |
| int check_SIG_ATOMIC: |
| SIG_ATOMIC_MIN == TYPE_MINIMUM (sig_atomic_t) |
| && SIG_ATOMIC_MAX == TYPE_MAXIMUM (sig_atomic_t) |
| ? 1 : -1; |
| int check_SIZE: SIZE_MAX == TYPE_MAXIMUM (size_t) ? 1 : -1; |
| int check_WCHAR: |
| WCHAR_MIN == TYPE_MINIMUM (wchar_t) |
| && WCHAR_MAX == TYPE_MAXIMUM (wchar_t) |
| ? 1 : -1; |
| /* Detect bug in mingw. */ |
| int check_WINT: |
| WINT_MIN == TYPE_MINIMUM (wint_t) |
| && WINT_MAX == TYPE_MAXIMUM (wint_t) |
| ? 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; |
| }; |
| ]])], |
| [dnl Determine whether the various *_MIN, *_MAX macros are usable |
| dnl in preprocessor expression. We could do it by compiling a test |
| dnl program for each of these macros. It is faster to run a program |
| dnl that inspects the macro expansion. |
| dnl This detects a bug on HP-UX 11.23/ia64. |
| AC_RUN_IFELSE([ |
| AC_LANG_PROGRAM([[ |
| #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ |
| #define __STDC_CONSTANT_MACROS 1 |
| #define __STDC_LIMIT_MACROS 1 |
| #include <stdint.h> |
| ] |
| gl_STDINT_INCLUDES |
| [ |
| #include <stdio.h> |
| #include <string.h> |
| #define MVAL(macro) MVAL1(macro) |
| #define MVAL1(expression) #expression |
| static const char *macro_values[] = |
| { |
| #ifdef INT8_MAX |
| MVAL (INT8_MAX), |
| #endif |
| #ifdef INT16_MAX |
| MVAL (INT16_MAX), |
| #endif |
| #ifdef INT32_MAX |
| MVAL (INT32_MAX), |
| #endif |
| #ifdef INT64_MAX |
| MVAL (INT64_MAX), |
| #endif |
| #ifdef UINT8_MAX |
| MVAL (UINT8_MAX), |
| #endif |
| #ifdef UINT16_MAX |
| MVAL (UINT16_MAX), |
| #endif |
| #ifdef UINT32_MAX |
| MVAL (UINT32_MAX), |
| #endif |
| #ifdef UINT64_MAX |
| MVAL (UINT64_MAX), |
| #endif |
| NULL |
| }; |
| ]], [[ |
| const char **mv; |
| for (mv = macro_values; *mv != NULL; mv++) |
| { |
| const char *value = *mv; |
| /* Test whether it looks like a cast expression. */ |
| if (strncmp (value, "((unsigned int)"/*)*/, 15) == 0 |
| || strncmp (value, "((unsigned short)"/*)*/, 17) == 0 |
| || strncmp (value, "((unsigned char)"/*)*/, 16) == 0 |
| || strncmp (value, "((int)"/*)*/, 6) == 0 |
| || strncmp (value, "((signed short)"/*)*/, 15) == 0 |
| || strncmp (value, "((signed char)"/*)*/, 14) == 0) |
| return mv - macro_values + 1; |
| } |
| return 0; |
| ]])], |
| [gl_cv_header_working_stdint_h=yes], |
| [], |
| [case "$host_os" in |
| # Guess yes on native Windows. |
| mingw*) gl_cv_header_working_stdint_h="guessing yes" ;; |
| # In general, assume it works. |
| *) gl_cv_header_working_stdint_h="guessing yes" ;; |
| esac |
| ]) |
| ]) |
| ]) |
| fi |
| |
| HAVE_C99_STDINT_H=0 |
| HAVE_SYS_BITYPES_H=0 |
| HAVE_SYS_INTTYPES_H=0 |
| STDINT_H=stdint.h |
| case "$gl_cv_header_working_stdint_h" in |
| *yes) |
| HAVE_C99_STDINT_H=1 |
| dnl Now see whether the system <stdint.h> works without |
| dnl __STDC_CONSTANT_MACROS/__STDC_LIMIT_MACROS defined. |
| dnl If not, there would be problems when stdint.h is included from C++. |
| AC_CACHE_CHECK([whether stdint.h works without ISO C predefines], |
| [gl_cv_header_stdint_without_STDC_macros], |
| [gl_cv_header_stdint_without_STDC_macros=no |
| AC_COMPILE_IFELSE([ |
| AC_LANG_PROGRAM([[ |
| #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ |
| #include <stdint.h> |
| ] |
| gl_STDINT_INCLUDES |
| [ |
| intmax_t im = INTMAX_MAX; |
| int32_t i32 = INT32_C (0x7fffffff); |
| ]])], |
| [gl_cv_header_stdint_without_STDC_macros=yes]) |
| ]) |
| |
| if test $gl_cv_header_stdint_without_STDC_macros = no; then |
| AC_DEFINE([__STDC_CONSTANT_MACROS], [1], |
| [Define to 1 if the system <stdint.h> predates C++11.]) |
| AC_DEFINE([__STDC_LIMIT_MACROS], [1], |
| [Define to 1 if the system <stdint.h> predates C++11.]) |
| fi |
| AC_CACHE_CHECK([whether stdint.h has UINTMAX_WIDTH etc.], |
| [gl_cv_header_stdint_width], |
| [gl_cv_header_stdint_width=no |
| AC_COMPILE_IFELSE( |
| [AC_LANG_PROGRAM([[ |
| /* Work if build is not clean. */ |
| #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 |
| #ifndef __STDC_WANT_IEC_60559_BFP_EXT__ |
| #define __STDC_WANT_IEC_60559_BFP_EXT__ 1 |
| #endif |
| #include <stdint.h> |
| ]gl_STDINT_INCLUDES[ |
| int iw = UINTMAX_WIDTH; |
| ]])], |
| [gl_cv_header_stdint_width=yes])]) |
| if test "$gl_cv_header_stdint_width" = yes; then |
| STDINT_H= |
| fi |
| ;; |
| *) |
| 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 |
| fi |
| if test $ac_cv_header_sys_bitypes_h = yes; then |
| HAVE_SYS_BITYPES_H=1 |
| fi |
| gl_STDINT_TYPE_PROPERTIES |
| ;; |
| esac |
| |
| dnl The substitute stdint.h needs the substitute limit.h's _GL_INTEGER_WIDTH. |
| gl_REPLACE_LIMITS_H |
| |
| AC_SUBST([HAVE_C99_STDINT_H]) |
| AC_SUBST([HAVE_SYS_BITYPES_H]) |
| AC_SUBST([HAVE_SYS_INTTYPES_H]) |
| AC_SUBST([STDINT_H]) |
| AM_CONDITIONAL([GL_GENERATE_STDINT_H], [test -n "$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. |
| m4_foreach_w([gltype], [$1], |
| [AH_TEMPLATE([BITSIZEOF_]m4_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([result], [sizeof ($gltype) * CHAR_BIT], |
| [$2 |
| #include <limits.h>], [result=unknown]) |
| eval gl_cv_bitsizeof_${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 |
| m4_foreach_w([gltype], [$1], |
| [AC_SUBST([BITSIZEOF_]m4_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. |
| m4_foreach_w([gltype], [$1], |
| [AH_TEMPLATE([HAVE_SIGNED_]m4_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 |
| m4_foreach_w([gltype], [$1], |
| [AC_SUBST([HAVE_SIGNED_]m4_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. |
| m4_foreach_w([gltype], [$1], |
| [AH_TEMPLATE(m4_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 |
| m4_foreach_w([gltype], [$1], |
| [AC_SUBST(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])]) |
| ]) |
| |
| dnl gl_STDINT_INCLUDES |
| AC_DEFUN([gl_STDINT_INCLUDES], |
| [[ |
| #include <stddef.h> |
| #include <signal.h> |
| #if HAVE_WCHAR_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.in.h. |
| AC_DEFUN([gl_STDINT_TYPE_PROPERTIES], |
| [ |
| AC_REQUIRE([gl_MULTIARCH]) |
| if test $APPLE_UNIVERSAL_BUILD = 0; then |
| gl_STDINT_BITSIZEOF([ptrdiff_t size_t], |
| [gl_STDINT_INCLUDES]) |
| fi |
| gl_STDINT_BITSIZEOF([sig_atomic_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 |
| if test $APPLE_UNIVERSAL_BUILD = 0; then |
| gl_INTEGER_TYPE_SUFFIX([ptrdiff_t size_t], |
| [gl_STDINT_INCLUDES]) |
| fi |
| gl_INTEGER_TYPE_SUFFIX([sig_atomic_t wchar_t wint_t], |
| [gl_STDINT_INCLUDES]) |
| |
| dnl If wint_t is smaller than 'int', it cannot satisfy the ISO C 99 |
| dnl requirement that wint_t is "unchanged by default argument promotions". |
| dnl In this case gnulib's <wchar.h> and <wctype.h> override wint_t. |
| dnl Set the variable BITSIZEOF_WINT_T accordingly. |
| if test $GNULIB_OVERRIDES_WINT_T = 1; then |
| BITSIZEOF_WINT_T=32 |
| fi |
| ]) |