Mercurial > hg > CbC > CbC_gcc
comparison 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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| -1:000000000000 | 0:a06113de4d67 |
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| 1 # ulonglong.m4 serial 2 (fileutils-4.0.32, gettext-0.10.40) | |
| 2 dnl Copyright (C) 1999-2002 Free Software Foundation, Inc. | |
| 3 dnl This file is free software, distributed under the terms of the GNU | |
| 4 dnl General Public License. As a special exception to the GNU General | |
| 5 dnl Public License, this file may be distributed as part of a program | |
| 6 dnl that contains a configuration script generated by Autoconf, under | |
| 7 dnl the same distribution terms as the rest of that program. | |
| 8 | |
| 9 dnl From Paul Eggert. | |
| 10 | |
| 11 AC_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 ]) |