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1 | # Sanity test a C compiler. | |
2 | ||
3 | # Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. | |
4 | # | |
5 | # This program is free software: you can redistribute it and/or modify | |
6 | # it under the terms of the GNU General Public License as published by | |
7 | # the Free Software Foundation, either version 3 of the License, or | |
8 | # (at your option) any later version. | |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | ||
18 | # Written by Paul Eggert. | |
19 | ||
20 | AC_DEFUN([BISON_TEST_FOR_WORKING_C_COMPILER], [ | |
21 | AC_COMPILE_IFELSE( | |
22 | [AC_LANG_PROGRAM( | |
23 | [[#include <limits.h> | |
24 | int test_array[CHAR_BIT];]])], | |
25 | [], | |
26 | [AC_MSG_FAILURE([cannot compile a simple C program])]) | |
27 | ]) |