newlib/config/ulonglong.m4
DJ Delorie 58d7b41f25 Merge from gcc
2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
	* gettext-sister.m4: Renamed from gettext.m4
	* codeset.m4, gettext.m4, glibc21.m4, iconv.m4, intdiv0.m4, po.m4,
	inttypes.m4, inttypes-pri.m4, inttypes_h.m4, lcmessage.m4, lib-ld.m4,
	lib-link.m4, lib-prefix.m4, nls.m4, progtest.m4, stdint_h.m4,
	uintmax_t.m4, ulonglong.m4: Import from gettext-0.12.1 sources.
2004-09-23 19:43:47 +00:00

24 lines
1.0 KiB
Plaintext

# 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.
dnl From Paul Eggert.
AC_DEFUN([jm_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)])
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.])
fi
])