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jeremybenn |
# stdint.m4 serial 34
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dnl Copyright (C) 2001-2010 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl From Paul Eggert and Bruno Haible.
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dnl Test whether <stdint.h> is supported or must be substituted.
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AC_DEFUN([gl_STDINT_H],
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[
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AC_PREREQ([2.59])dnl
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dnl Check for long long int and unsigned long long int.
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AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
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if test $ac_cv_type_long_long_int = yes; then
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HAVE_LONG_LONG_INT=1
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else
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HAVE_LONG_LONG_INT=0
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fi
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AC_SUBST([HAVE_LONG_LONG_INT])
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AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
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if test $ac_cv_type_unsigned_long_long_int = yes; then
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HAVE_UNSIGNED_LONG_LONG_INT=1
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else
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HAVE_UNSIGNED_LONG_LONG_INT=0
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fi
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AC_SUBST([HAVE_UNSIGNED_LONG_LONG_INT])
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dnl Check for <inttypes.h>.
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dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_inttypes_h.
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if test $ac_cv_header_inttypes_h = yes; then
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HAVE_INTTYPES_H=1
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else
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HAVE_INTTYPES_H=0
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fi
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AC_SUBST([HAVE_INTTYPES_H])
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dnl Check for <sys/types.h>.
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dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_sys_types_h.
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if test $ac_cv_header_sys_types_h = yes; then
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HAVE_SYS_TYPES_H=1
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else
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HAVE_SYS_TYPES_H=0
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fi
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AC_SUBST([HAVE_SYS_TYPES_H])
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gl_CHECK_NEXT_HEADERS([stdint.h])
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if test $ac_cv_header_stdint_h = yes; then
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HAVE_STDINT_H=1
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else
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HAVE_STDINT_H=0
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fi
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AC_SUBST([HAVE_STDINT_H])
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dnl Now see whether we need a substitute <stdint.h>.
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if test $ac_cv_header_stdint_h = yes; then
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AC_CACHE_CHECK([whether stdint.h conforms to C99],
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[gl_cv_header_working_stdint_h],
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[gl_cv_header_working_stdint_h=no
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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#define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */
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#define __STDC_CONSTANT_MACROS 1 /* to make it work also in C++ mode */
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#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
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#include <stdint.h>
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/* Dragonfly defines WCHAR_MIN, WCHAR_MAX only in <wchar.h>. */
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#if !(defined WCHAR_MIN && defined WCHAR_MAX)
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#error "WCHAR_MIN, WCHAR_MAX not defined in <stdint.h>"
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#endif
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]
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gl_STDINT_INCLUDES
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[
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#ifdef INT8_MAX
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int8_t a1 = INT8_MAX;
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int8_t a1min = INT8_MIN;
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#endif
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#ifdef INT16_MAX
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int16_t a2 = INT16_MAX;
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int16_t a2min = INT16_MIN;
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#endif
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#ifdef INT32_MAX
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int32_t a3 = INT32_MAX;
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int32_t a3min = INT32_MIN;
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#endif
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#ifdef INT64_MAX
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int64_t a4 = INT64_MAX;
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int64_t a4min = INT64_MIN;
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#endif
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#ifdef UINT8_MAX
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uint8_t b1 = UINT8_MAX;
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#else
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typedef int b1[(unsigned char) -1 != 255 ? 1 : -1];
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#endif
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#ifdef UINT16_MAX
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uint16_t b2 = UINT16_MAX;
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#endif
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#ifdef UINT32_MAX
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uint32_t b3 = UINT32_MAX;
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#endif
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#ifdef UINT64_MAX
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uint64_t b4 = UINT64_MAX;
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#endif
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int_least8_t c1 = INT8_C (0x7f);
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int_least8_t c1max = INT_LEAST8_MAX;
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int_least8_t c1min = INT_LEAST8_MIN;
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int_least16_t c2 = INT16_C (0x7fff);
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int_least16_t c2max = INT_LEAST16_MAX;
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int_least16_t c2min = INT_LEAST16_MIN;
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int_least32_t c3 = INT32_C (0x7fffffff);
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int_least32_t c3max = INT_LEAST32_MAX;
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int_least32_t c3min = INT_LEAST32_MIN;
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int_least64_t c4 = INT64_C (0x7fffffffffffffff);
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int_least64_t c4max = INT_LEAST64_MAX;
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int_least64_t c4min = INT_LEAST64_MIN;
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uint_least8_t d1 = UINT8_C (0xff);
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uint_least8_t d1max = UINT_LEAST8_MAX;
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uint_least16_t d2 = UINT16_C (0xffff);
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uint_least16_t d2max = UINT_LEAST16_MAX;
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uint_least32_t d3 = UINT32_C (0xffffffff);
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uint_least32_t d3max = UINT_LEAST32_MAX;
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uint_least64_t d4 = UINT64_C (0xffffffffffffffff);
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uint_least64_t d4max = UINT_LEAST64_MAX;
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int_fast8_t e1 = INT_FAST8_MAX;
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int_fast8_t e1min = INT_FAST8_MIN;
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int_fast16_t e2 = INT_FAST16_MAX;
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int_fast16_t e2min = INT_FAST16_MIN;
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int_fast32_t e3 = INT_FAST32_MAX;
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int_fast32_t e3min = INT_FAST32_MIN;
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int_fast64_t e4 = INT_FAST64_MAX;
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int_fast64_t e4min = INT_FAST64_MIN;
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uint_fast8_t f1 = UINT_FAST8_MAX;
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uint_fast16_t f2 = UINT_FAST16_MAX;
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uint_fast32_t f3 = UINT_FAST32_MAX;
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uint_fast64_t f4 = UINT_FAST64_MAX;
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#ifdef INTPTR_MAX
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intptr_t g = INTPTR_MAX;
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intptr_t gmin = INTPTR_MIN;
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#endif
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#ifdef UINTPTR_MAX
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uintptr_t h = UINTPTR_MAX;
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#endif
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intmax_t i = INTMAX_MAX;
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uintmax_t j = UINTMAX_MAX;
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#include <limits.h> /* for CHAR_BIT */
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#define TYPE_MINIMUM(t) \
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((t) ((t) 0 < (t) -1 ? (t) 0 : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))
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#define TYPE_MAXIMUM(t) \
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((t) ((t) 0 < (t) -1 ? (t) -1 : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))))
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struct s {
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int check_PTRDIFF:
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PTRDIFF_MIN == TYPE_MINIMUM (ptrdiff_t)
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&& PTRDIFF_MAX == TYPE_MAXIMUM (ptrdiff_t)
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? 1 : -1;
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/* Detect bug in FreeBSD 6.0 / ia64. */
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int check_SIG_ATOMIC:
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SIG_ATOMIC_MIN == TYPE_MINIMUM (sig_atomic_t)
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&& SIG_ATOMIC_MAX == TYPE_MAXIMUM (sig_atomic_t)
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? 1 : -1;
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int check_SIZE: SIZE_MAX == TYPE_MAXIMUM (size_t) ? 1 : -1;
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int check_WCHAR:
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WCHAR_MIN == TYPE_MINIMUM (wchar_t)
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&& WCHAR_MAX == TYPE_MAXIMUM (wchar_t)
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? 1 : -1;
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/* Detect bug in mingw. */
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int check_WINT:
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WINT_MIN == TYPE_MINIMUM (wint_t)
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&& WINT_MAX == TYPE_MAXIMUM (wint_t)
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? 1 : -1;
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/* Detect bugs in glibc 2.4 and Solaris 10 stdint.h, among others. */
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int check_UINT8_C:
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(-1 < UINT8_C (0)) == (-1 < (uint_least8_t) 0) ? 1 : -1;
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int check_UINT16_C:
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(-1 < UINT16_C (0)) == (-1 < (uint_least16_t) 0) ? 1 : -1;
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/* Detect bugs in OpenBSD 3.9 stdint.h. */
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#ifdef UINT8_MAX
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int check_uint8: (uint8_t) -1 == UINT8_MAX ? 1 : -1;
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#endif
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#ifdef UINT16_MAX
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int check_uint16: (uint16_t) -1 == UINT16_MAX ? 1 : -1;
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#endif
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#ifdef UINT32_MAX
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int check_uint32: (uint32_t) -1 == UINT32_MAX ? 1 : -1;
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#endif
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#ifdef UINT64_MAX
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int check_uint64: (uint64_t) -1 == UINT64_MAX ? 1 : -1;
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#endif
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int check_uint_least8: (uint_least8_t) -1 == UINT_LEAST8_MAX ? 1 : -1;
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int check_uint_least16: (uint_least16_t) -1 == UINT_LEAST16_MAX ? 1 : -1;
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int check_uint_least32: (uint_least32_t) -1 == UINT_LEAST32_MAX ? 1 : -1;
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int check_uint_least64: (uint_least64_t) -1 == UINT_LEAST64_MAX ? 1 : -1;
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int check_uint_fast8: (uint_fast8_t) -1 == UINT_FAST8_MAX ? 1 : -1;
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int check_uint_fast16: (uint_fast16_t) -1 == UINT_FAST16_MAX ? 1 : -1;
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int check_uint_fast32: (uint_fast32_t) -1 == UINT_FAST32_MAX ? 1 : -1;
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int check_uint_fast64: (uint_fast64_t) -1 == UINT_FAST64_MAX ? 1 : -1;
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int check_uintptr: (uintptr_t) -1 == UINTPTR_MAX ? 1 : -1;
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int check_uintmax: (uintmax_t) -1 == UINTMAX_MAX ? 1 : -1;
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int check_size: (size_t) -1 == SIZE_MAX ? 1 : -1;
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};
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]])],
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[dnl Determine whether the various *_MIN, *_MAX macros are usable
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dnl in preprocessor expression. We could do it by compiling a test
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dnl program for each of these macros. It is faster to run a program
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dnl that inspects the macro expansion.
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dnl This detects a bug on HP-UX 11.23/ia64.
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| 209 |
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AC_RUN_IFELSE([
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| 210 |
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AC_LANG_PROGRAM([[
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| 211 |
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#define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */
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| 212 |
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#define __STDC_CONSTANT_MACROS 1 /* to make it work also in C++ mode */
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| 213 |
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#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
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#include <stdint.h>
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]
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| 216 |
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gl_STDINT_INCLUDES
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[
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#include <stdio.h>
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#include <string.h>
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| 220 |
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#define MVAL(macro) MVAL1(macro)
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| 221 |
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#define MVAL1(expression) #expression
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| 222 |
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static const char *macro_values[] =
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| 223 |
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{
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| 224 |
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#ifdef INT8_MAX
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MVAL (INT8_MAX),
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#endif
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| 227 |
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#ifdef INT16_MAX
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| 228 |
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MVAL (INT16_MAX),
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#endif
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| 230 |
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#ifdef INT32_MAX
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| 231 |
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MVAL (INT32_MAX),
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#endif
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| 233 |
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#ifdef INT64_MAX
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| 234 |
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MVAL (INT64_MAX),
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#endif
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| 236 |
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#ifdef UINT8_MAX
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| 237 |
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MVAL (UINT8_MAX),
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| 238 |
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#endif
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| 239 |
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#ifdef UINT16_MAX
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| 240 |
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MVAL (UINT16_MAX),
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| 241 |
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#endif
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| 242 |
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#ifdef UINT32_MAX
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| 243 |
|
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MVAL (UINT32_MAX),
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| 244 |
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#endif
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| 245 |
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#ifdef UINT64_MAX
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| 246 |
|
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MVAL (UINT64_MAX),
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| 247 |
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#endif
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| 248 |
|
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NULL
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| 249 |
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};
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| 250 |
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]], [[
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| 251 |
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const char **mv;
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| 252 |
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for (mv = macro_values; *mv != NULL; mv++)
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| 253 |
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{
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| 254 |
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const char *value = *mv;
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| 255 |
|
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/* Test whether it looks like a cast expression. */
|
| 256 |
|
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if (strncmp (value, "((unsigned int)"/*)*/, 15) == 0
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| 257 |
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|| strncmp (value, "((unsigned short)"/*)*/, 17) == 0
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| 258 |
|
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|| strncmp (value, "((unsigned char)"/*)*/, 16) == 0
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| 259 |
|
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|| strncmp (value, "((int)"/*)*/, 6) == 0
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| 260 |
|
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|| strncmp (value, "((signed short)"/*)*/, 15) == 0
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| 261 |
|
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|| strncmp (value, "((signed char)"/*)*/, 14) == 0)
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| 262 |
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return 1;
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| 263 |
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}
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| 264 |
|
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return 0;
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| 265 |
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]])],
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| 266 |
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[gl_cv_header_working_stdint_h=yes],
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| 267 |
|
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[],
|
| 268 |
|
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[dnl When cross-compiling, assume it works.
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| 269 |
|
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gl_cv_header_working_stdint_h=yes
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| 270 |
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])
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| 271 |
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])
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| 272 |
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])
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| 273 |
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fi
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| 274 |
|
|
if test "$gl_cv_header_working_stdint_h" = yes; then
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| 275 |
|
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STDINT_H=
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| 276 |
|
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else
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| 277 |
|
|
dnl Check for <sys/inttypes.h>, and for
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| 278 |
|
|
dnl <sys/bitypes.h> (used in Linux libc4 >= 4.6.7 and libc5).
|
| 279 |
|
|
AC_CHECK_HEADERS([sys/inttypes.h sys/bitypes.h])
|
| 280 |
|
|
if test $ac_cv_header_sys_inttypes_h = yes; then
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| 281 |
|
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HAVE_SYS_INTTYPES_H=1
|
| 282 |
|
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else
|
| 283 |
|
|
HAVE_SYS_INTTYPES_H=0
|
| 284 |
|
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fi
|
| 285 |
|
|
AC_SUBST([HAVE_SYS_INTTYPES_H])
|
| 286 |
|
|
if test $ac_cv_header_sys_bitypes_h = yes; then
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| 287 |
|
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HAVE_SYS_BITYPES_H=1
|
| 288 |
|
|
else
|
| 289 |
|
|
HAVE_SYS_BITYPES_H=0
|
| 290 |
|
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fi
|
| 291 |
|
|
AC_SUBST([HAVE_SYS_BITYPES_H])
|
| 292 |
|
|
|
| 293 |
|
|
dnl Check for <wchar.h> (missing in Linux uClibc when built without wide
|
| 294 |
|
|
dnl character support).
|
| 295 |
|
|
AC_CHECK_HEADERS_ONCE([wchar.h])
|
| 296 |
|
|
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| 297 |
|
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gl_STDINT_TYPE_PROPERTIES
|
| 298 |
|
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STDINT_H=stdint.h
|
| 299 |
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|
fi
|
| 300 |
|
|
AC_SUBST([STDINT_H])
|
| 301 |
|
|
])
|
| 302 |
|
|
|
| 303 |
|
|
dnl gl_STDINT_BITSIZEOF(TYPES, INCLUDES)
|
| 304 |
|
|
dnl Determine the size of each of the given types in bits.
|
| 305 |
|
|
AC_DEFUN([gl_STDINT_BITSIZEOF],
|
| 306 |
|
|
[
|
| 307 |
|
|
dnl Use a shell loop, to avoid bloating configure, and
|
| 308 |
|
|
dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
|
| 309 |
|
|
dnl config.h.in,
|
| 310 |
|
|
dnl - extra AC_SUBST calls, so that the right substitutions are made.
|
| 311 |
|
|
m4_foreach_w([gltype], [$1],
|
| 312 |
|
|
[AH_TEMPLATE([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
|
| 313 |
|
|
[Define to the number of bits in type ']gltype['.])])
|
| 314 |
|
|
for gltype in $1 ; do
|
| 315 |
|
|
AC_CACHE_CHECK([for bit size of $gltype], [gl_cv_bitsizeof_${gltype}],
|
| 316 |
|
|
[AC_COMPUTE_INT([result], [sizeof ($gltype) * CHAR_BIT],
|
| 317 |
|
|
[$2
|
| 318 |
|
|
#include <limits.h>], [result=unknown])
|
| 319 |
|
|
eval gl_cv_bitsizeof_${gltype}=\$result
|
| 320 |
|
|
])
|
| 321 |
|
|
eval result=\$gl_cv_bitsizeof_${gltype}
|
| 322 |
|
|
if test $result = unknown; then
|
| 323 |
|
|
dnl Use a nonempty default, because some compilers, such as IRIX 5 cc,
|
| 324 |
|
|
dnl do a syntax check even on unused #if conditions and give an error
|
| 325 |
|
|
dnl on valid C code like this:
|
| 326 |
|
|
dnl #if 0
|
| 327 |
|
|
dnl # if > 32
|
| 328 |
|
|
dnl # endif
|
| 329 |
|
|
dnl #endif
|
| 330 |
|
|
result=0
|
| 331 |
|
|
fi
|
| 332 |
|
|
GLTYPE=`echo "$gltype" | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
|
| 333 |
|
|
AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result])
|
| 334 |
|
|
eval BITSIZEOF_${GLTYPE}=\$result
|
| 335 |
|
|
done
|
| 336 |
|
|
m4_foreach_w([gltype], [$1],
|
| 337 |
|
|
[AC_SUBST([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
|
| 338 |
|
|
])
|
| 339 |
|
|
|
| 340 |
|
|
dnl gl_CHECK_TYPES_SIGNED(TYPES, INCLUDES)
|
| 341 |
|
|
dnl Determine the signedness of each of the given types.
|
| 342 |
|
|
dnl Define HAVE_SIGNED_TYPE if type is signed.
|
| 343 |
|
|
AC_DEFUN([gl_CHECK_TYPES_SIGNED],
|
| 344 |
|
|
[
|
| 345 |
|
|
dnl Use a shell loop, to avoid bloating configure, and
|
| 346 |
|
|
dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
|
| 347 |
|
|
dnl config.h.in,
|
| 348 |
|
|
dnl - extra AC_SUBST calls, so that the right substitutions are made.
|
| 349 |
|
|
m4_foreach_w([gltype], [$1],
|
| 350 |
|
|
[AH_TEMPLATE([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
|
| 351 |
|
|
[Define to 1 if ']gltype[' is a signed integer type.])])
|
| 352 |
|
|
for gltype in $1 ; do
|
| 353 |
|
|
AC_CACHE_CHECK([whether $gltype is signed], [gl_cv_type_${gltype}_signed],
|
| 354 |
|
|
[AC_COMPILE_IFELSE(
|
| 355 |
|
|
[AC_LANG_PROGRAM([$2[
|
| 356 |
|
|
int verify[2 * (($gltype) -1 < ($gltype) 0) - 1];]])],
|
| 357 |
|
|
result=yes, result=no)
|
| 358 |
|
|
eval gl_cv_type_${gltype}_signed=\$result
|
| 359 |
|
|
])
|
| 360 |
|
|
eval result=\$gl_cv_type_${gltype}_signed
|
| 361 |
|
|
GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
|
| 362 |
|
|
if test "$result" = yes; then
|
| 363 |
|
|
AC_DEFINE_UNQUOTED([HAVE_SIGNED_${GLTYPE}], [1])
|
| 364 |
|
|
eval HAVE_SIGNED_${GLTYPE}=1
|
| 365 |
|
|
else
|
| 366 |
|
|
eval HAVE_SIGNED_${GLTYPE}=0
|
| 367 |
|
|
fi
|
| 368 |
|
|
done
|
| 369 |
|
|
m4_foreach_w([gltype], [$1],
|
| 370 |
|
|
[AC_SUBST([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
|
| 371 |
|
|
])
|
| 372 |
|
|
|
| 373 |
|
|
dnl gl_INTEGER_TYPE_SUFFIX(TYPES, INCLUDES)
|
| 374 |
|
|
dnl Determine the suffix to use for integer constants of the given types.
|
| 375 |
|
|
dnl Define t_SUFFIX for each such type.
|
| 376 |
|
|
AC_DEFUN([gl_INTEGER_TYPE_SUFFIX],
|
| 377 |
|
|
[
|
| 378 |
|
|
dnl Use a shell loop, to avoid bloating configure, and
|
| 379 |
|
|
dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
|
| 380 |
|
|
dnl config.h.in,
|
| 381 |
|
|
dnl - extra AC_SUBST calls, so that the right substitutions are made.
|
| 382 |
|
|
m4_foreach_w([gltype], [$1],
|
| 383 |
|
|
[AH_TEMPLATE(translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX],
|
| 384 |
|
|
[Define to l, ll, u, ul, ull, etc., as suitable for
|
| 385 |
|
|
constants of type ']gltype['.])])
|
| 386 |
|
|
for gltype in $1 ; do
|
| 387 |
|
|
AC_CACHE_CHECK([for $gltype integer literal suffix],
|
| 388 |
|
|
[gl_cv_type_${gltype}_suffix],
|
| 389 |
|
|
[eval gl_cv_type_${gltype}_suffix=no
|
| 390 |
|
|
eval result=\$gl_cv_type_${gltype}_signed
|
| 391 |
|
|
if test "$result" = yes; then
|
| 392 |
|
|
glsufu=
|
| 393 |
|
|
else
|
| 394 |
|
|
glsufu=u
|
| 395 |
|
|
fi
|
| 396 |
|
|
for glsuf in "$glsufu" ${glsufu}l ${glsufu}ll ${glsufu}i64; do
|
| 397 |
|
|
case $glsuf in
|
| 398 |
|
|
'') gltype1='int';;
|
| 399 |
|
|
l) gltype1='long int';;
|
| 400 |
|
|
ll) gltype1='long long int';;
|
| 401 |
|
|
i64) gltype1='__int64';;
|
| 402 |
|
|
u) gltype1='unsigned int';;
|
| 403 |
|
|
ul) gltype1='unsigned long int';;
|
| 404 |
|
|
ull) gltype1='unsigned long long int';;
|
| 405 |
|
|
ui64)gltype1='unsigned __int64';;
|
| 406 |
|
|
esac
|
| 407 |
|
|
AC_COMPILE_IFELSE(
|
| 408 |
|
|
[AC_LANG_PROGRAM([$2[
|
| 409 |
|
|
extern $gltype foo;
|
| 410 |
|
|
extern $gltype1 foo;]])],
|
| 411 |
|
|
[eval gl_cv_type_${gltype}_suffix=\$glsuf])
|
| 412 |
|
|
eval result=\$gl_cv_type_${gltype}_suffix
|
| 413 |
|
|
test "$result" != no && break
|
| 414 |
|
|
done])
|
| 415 |
|
|
GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
|
| 416 |
|
|
eval result=\$gl_cv_type_${gltype}_suffix
|
| 417 |
|
|
test "$result" = no && result=
|
| 418 |
|
|
eval ${GLTYPE}_SUFFIX=\$result
|
| 419 |
|
|
AC_DEFINE_UNQUOTED([${GLTYPE}_SUFFIX], [$result])
|
| 420 |
|
|
done
|
| 421 |
|
|
m4_foreach_w([gltype], [$1],
|
| 422 |
|
|
[AC_SUBST(translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])])
|
| 423 |
|
|
])
|
| 424 |
|
|
|
| 425 |
|
|
dnl gl_STDINT_INCLUDES
|
| 426 |
|
|
AC_DEFUN([gl_STDINT_INCLUDES],
|
| 427 |
|
|
[[
|
| 428 |
|
|
/* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
|
| 429 |
|
|
included before <wchar.h>. */
|
| 430 |
|
|
#include <stddef.h>
|
| 431 |
|
|
#include <signal.h>
|
| 432 |
|
|
#if HAVE_WCHAR_H
|
| 433 |
|
|
# include <stdio.h>
|
| 434 |
|
|
# include <time.h>
|
| 435 |
|
|
# include <wchar.h>
|
| 436 |
|
|
#endif
|
| 437 |
|
|
]])
|
| 438 |
|
|
|
| 439 |
|
|
dnl gl_STDINT_TYPE_PROPERTIES
|
| 440 |
|
|
dnl Compute HAVE_SIGNED_t, BITSIZEOF_t and t_SUFFIX, for all the types t
|
| 441 |
|
|
dnl of interest to stdint.in.h.
|
| 442 |
|
|
AC_DEFUN([gl_STDINT_TYPE_PROPERTIES],
|
| 443 |
|
|
[
|
| 444 |
|
|
AC_REQUIRE([gl_MULTIARCH])
|
| 445 |
|
|
if test $APPLE_UNIVERSAL_BUILD = 0; then
|
| 446 |
|
|
gl_STDINT_BITSIZEOF([ptrdiff_t size_t],
|
| 447 |
|
|
[gl_STDINT_INCLUDES])
|
| 448 |
|
|
fi
|
| 449 |
|
|
gl_STDINT_BITSIZEOF([sig_atomic_t wchar_t wint_t],
|
| 450 |
|
|
[gl_STDINT_INCLUDES])
|
| 451 |
|
|
gl_CHECK_TYPES_SIGNED([sig_atomic_t wchar_t wint_t],
|
| 452 |
|
|
[gl_STDINT_INCLUDES])
|
| 453 |
|
|
gl_cv_type_ptrdiff_t_signed=yes
|
| 454 |
|
|
gl_cv_type_size_t_signed=no
|
| 455 |
|
|
if test $APPLE_UNIVERSAL_BUILD = 0; then
|
| 456 |
|
|
gl_INTEGER_TYPE_SUFFIX([ptrdiff_t size_t],
|
| 457 |
|
|
[gl_STDINT_INCLUDES])
|
| 458 |
|
|
fi
|
| 459 |
|
|
gl_INTEGER_TYPE_SUFFIX([sig_atomic_t wchar_t wint_t],
|
| 460 |
|
|
[gl_STDINT_INCLUDES])
|
| 461 |
|
|
])
|
| 462 |
|
|
|
| 463 |
|
|
dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
|
| 464 |
|
|
dnl Remove this when we can assume autoconf >= 2.61.
|
| 465 |
|
|
m4_ifdef([AC_COMPUTE_INT], [], [
|
| 466 |
|
|
AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
|
| 467 |
|
|
])
|
| 468 |
|
|
|
| 469 |
|
|
# Hey Emacs!
|
| 470 |
|
|
# Local Variables:
|
| 471 |
|
|
# indent-tabs-mode: nil
|
| 472 |
|
|
# End:
|
