Mercurial > hg > CbC > CbC_gcc
diff config/ulonglong.m4 @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/config/ulonglong.m4 Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,23 @@ +# 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 +])