source: trunk/libs/newlib/src/config/ulonglong.m4 @ 672

Last change on this file since 672 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 1.0 KB
Line 
1# ulonglong.m4 serial 2 (fileutils-4.0.32, gettext-0.10.40)
2dnl Copyright (C) 1999-2002 Free Software Foundation, Inc.
3dnl This file is free software, distributed under the terms of the GNU
4dnl General Public License.  As a special exception to the GNU General
5dnl Public License, this file may be distributed as part of a program
6dnl that contains a configuration script generated by Autoconf, under
7dnl the same distribution terms as the rest of that program.
8
9dnl From Paul Eggert.
10
11AC_DEFUN([jm_AC_TYPE_UNSIGNED_LONG_LONG],
12[
13  AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
14  [AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
15    [unsigned long long ullmax = (unsigned long long) -1;
16     return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
17    ac_cv_type_unsigned_long_long=yes,
18    ac_cv_type_unsigned_long_long=no)])
19  if test $ac_cv_type_unsigned_long_long = yes; then
20    AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
21      [Define if you have the unsigned long long type.])
22  fi
23])
Note: See TracBrowser for help on using the repository browser.