-# ulonglong.m4 serial 2 (fileutils-4.0.32, gettext-0.10.40)
-dnl Copyright (C) 1999-2002 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License. As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# ulonglong.m4 serial 6
+dnl Copyright (C) 1999-2006 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.
-AC_DEFUN([jm_AC_TYPE_UNSIGNED_LONG_LONG],
+# Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works.
+# This fixes a bug in Autoconf 2.60, but can be removed once we
+# assume 2.61 everywhere.
+
+# Note: If the type 'unsigned long long int' exists but is only 32 bits
+# large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT
+# will not be defined. In this case you can treat 'unsigned long long int'
+# like 'unsigned long int'.
+
+AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT],
+[
+ AC_CACHE_CHECK([for unsigned long long int],
+ [ac_cv_type_unsigned_long_long_int],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[unsigned long long int ull = 18446744073709551615ULL;
+ typedef int a[(18446744073709551615ULL <= (unsigned long long int) -1
+ ? 1 : -1)];
+ int i = 63;]],
+ [[unsigned long long int ullmax = 18446744073709551615ull;
+ return (ull << 63 | ull >> 63 | ull << i | ull >> i
+ | ullmax / ull | ullmax % ull);]])],
+ [ac_cv_type_unsigned_long_long_int=yes],
+ [ac_cv_type_unsigned_long_long_int=no])])
+ if test $ac_cv_type_unsigned_long_long_int = yes; then
+ AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], 1,
+ [Define to 1 if the system has the type `unsigned long long int'.])
+ fi
+])
+
+# This macro is obsolescent and should go away soon.
+AC_DEFUN([gl_AC_TYPE_UNSIGNED_LONG_LONG],
[
- AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
- [AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
- [unsigned long long ullmax = (unsigned long long) -1;
- return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
- ac_cv_type_unsigned_long_long=yes,
- ac_cv_type_unsigned_long_long=no)])
+ AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
+ ac_cv_type_unsigned_long_long=$ac_cv_type_unsigned_long_long_int
if test $ac_cv_type_unsigned_long_long = yes; then
AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
- [Define if you have the unsigned long long type.])
+ [Define if you have the 'unsigned long long' type.])
fi
])