]> git.saurik.com Git - bison.git/blame_incremental - m4/c-working.m4
tests: check token numbers.
[bison.git] / m4 / c-working.m4
... / ...
CommitLineData
1# Sanity test a C compiler.
2
3# Copyright (C) 2006 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
20AC_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])