-#serial 1
+# uintmax_t.m4 serial 12
+dnl Copyright (C) 1997-2004, 2007-2014 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.
-# Define uintmax_t to `unsigned long' or `unsigned long long'
-# if <inttypes.h> does not exist.
+AC_PREREQ([2.13])
-AC_DEFUN(jm_AC_TYPE_UINTMAX_T,
+# Define uintmax_t to 'unsigned long' or 'unsigned long long'
+# if it is not already defined in <stdint.h> or <inttypes.h>.
+
+AC_DEFUN([gl_AC_TYPE_UINTMAX_T],
[
- AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
- if test $jm_ac_cv_header_inttypes_h = no; then
- AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
- [AC_TRY_COMPILE([],
- [unsigned long long i = (unsigned long long) -1;],
- ac_cv_type_unsigned_long_long=yes,
- ac_cv_type_unsigned_long_long=no)])
- if test $ac_cv_type_unsigned_long_long = yes; then
- AC_DEFINE(uintmax_t, unsigned long long)
- else
- AC_DEFINE(uintmax_t, unsigned long)
- fi
+ AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
+ AC_REQUIRE([gl_AC_HEADER_STDINT_H])
+ if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
+ AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
+ test $ac_cv_type_unsigned_long_long_int = yes \
+ && ac_type='unsigned long long' \
+ || ac_type='unsigned long'
+ AC_DEFINE_UNQUOTED([uintmax_t], [$ac_type],
+ [Define to unsigned long or unsigned long long
+ if <stdint.h> and <inttypes.h> don't define.])
+ else
+ AC_DEFINE([HAVE_UINTMAX_T], [1],
+ [Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.])
fi
])
projects / gnulib.git / blobdiff