-# stdint.m4 serial 35
-dnl Copyright (C) 2001-2010 Free Software Foundation, Inc.
+# stdint.m4 serial 39
+dnl Copyright (C) 2001-2011 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_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>.
dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_inttypes_h.
if test $ac_cv_header_inttypes_h = yes; then
#include <limits.h> /* for CHAR_BIT */
#define TYPE_MINIMUM(t) \
- ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))
+ ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ TYPE_MAXIMUM (t)))
#define TYPE_MAXIMUM(t) \
- ((t) ((t) 0 < (t) -1 ? (t) -1 : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))))
+ ((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)
|| strncmp (value, "((int)"/*)*/, 6) == 0
|| strncmp (value, "((signed short)"/*)*/, 15) == 0
|| strncmp (value, "((signed char)"/*)*/, 14) == 0)
- return 1;
+ return mv - macro_values + 1;
}
return 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