+++ /dev/null
-# stdint.m4 serial 29
-dnl Copyright (C) 2001-2007 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 and unsigned 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])
- AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
- if test $ac_cv_type_unsigned_long_long_int = yes; then
- HAVE_UNSIGNED_LONG_LONG_INT=1
- else
- HAVE_UNSIGNED_LONG_LONG_INT=0
- fi
- AC_SUBST([HAVE_UNSIGNED_LONG_LONG_INT])
-
- 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])
-
- 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 __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 */
-#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
-#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;
-
-#include <limits.h> /* for CHAR_BIT */
-#define TYPE_MINIMUM(t) \
- ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))
-#define TYPE_MAXIMUM(t) \
- ((t) ((t) 0 < (t) -1 ? (t) -1 : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 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;
-};
- ]])],
- [gl_cv_header_working_stdint_h=yes])])
- fi
- if test "$gl_cv_header_working_stdint_h" = yes; then
- STDINT_H=
- else
- 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])
-
- dnl Check for <wchar.h> (missing in Linux uClibc when built without wide
- dnl character support).
- AC_CHECK_HEADERS_ONCE([wchar.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([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
- 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],
-[[
- /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
- included before <wchar.h>. */
- #include <stddef.h>
- #include <signal.h>
- #if HAVE_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.in.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])
-])
-
-dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
-dnl Remove this when we can assume autoconf >= 2.61.
-m4_ifdef([AC_COMPUTE_INT], [], [
- AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
-])
-
-# Hey Emacs!
-# Local Variables:
-# indent-tabs-mode: nil
-# End:
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