-# stdint.m4 serial 24
-dnl Copyright (C) 2001-2002, 2004-2007 Free Software Foundation, Inc.
+# stdint.m4 serial 31
+dnl Copyright (C) 2001-2008 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.
fi
AC_SUBST([HAVE_SYS_TYPES_H])
- dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_stdint_h.
+ gl_CHECK_NEXT_HEADERS([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.
+ 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([gl_STDINT_INCLUDES
- [
+ 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 */
-#include ABSOLUTE_STDINT_H
+#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
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 < (ptrdiff_t) 0 && (ptrdiff_t) 0 < PTRDIFF_MAX ? 1 : -1;
- int check_SIG_ATOMIC: SIG_ATOMIC_MIN <= (sig_atomic_t) 0 && (sig_atomic_t) 0 < SIG_ATOMIC_MAX ? 1 : -1;
- int check_SIZE: (size_t) 0 < SIZE_MAX ? 1 : -1;
- int check_WCHAR: WCHAR_MIN <= (wchar_t) 0 && (wchar_t) 0 < WCHAR_MAX ? 1 : -1;
- int check_WINT: WINT_MIN <= (wint_t) 0 && (wint_t) 0 < WINT_MAX
- && (WINT_MIN < (wint_t) 0 || (wint_t) -1 == (wint_t) WINT_MAX)
- ? 1 : -1;
+ 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:
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
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],
+ m4_foreach_w([gltype], [$1],
[AH_TEMPLATE([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
[Define to the number of bits in type ']gltype['.])])
for gltype in $1 ; do
AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result])
eval BITSIZEOF_${GLTYPE}=\$result
done
- AC_FOREACH([gltype], [$1],
+ m4_foreach_w([gltype], [$1],
[AC_SUBST([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
])
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],
+ m4_foreach_w([gltype], [$1],
[AH_TEMPLATE([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
[Define to 1 if ']gltype[' is a signed integer type.])])
for gltype in $1 ; do
eval HAVE_SIGNED_${GLTYPE}=0
fi
done
- AC_FOREACH([gltype], [$1],
+ m4_foreach_w([gltype], [$1],
[AC_SUBST([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
])
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],
+ m4_foreach_w([gltype], [$1],
[AH_TEMPLATE(translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX],
[Define to l, ll, u, ul, ull, etc., as suitable for
constants of type ']gltype['.])])
ui64)gltype1='unsigned __int64';;
esac
AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([$2
+ [AC_LANG_PROGRAM([$2[
extern $gltype foo;
- extern $gltype1 foo;])],
+ extern $gltype1 foo;]])],
[eval gl_cv_type_${gltype}_suffix=\$glsuf])
eval result=\$gl_cv_type_${gltype}_suffix
test "$result" != no && break
eval ${GLTYPE}_SUFFIX=\$result
AC_DEFINE_UNQUOTED([${GLTYPE}_SUFFIX], $result)
done
- AC_FOREACH([gltype], [$1],
+ m4_foreach_w([gltype], [$1],
[AC_SUBST(translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])])
])
included before <wchar.h>. */
#include <stddef.h>
#include <signal.h>
- #include <stdio.h>
- #include <time.h>
- #include <wchar.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_.h.
+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],
projects / gnulib.git / blobdiff