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# Sanity test a C compiler.
# Copyright (C) 2006 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 USA
# Written by Paul Eggert.
AC_DEFUN([BISON_TEST_FOR_WORKING_C_COMPILER], [
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <limits.h>
int test_array[CHAR_BIT];]])],
[],
[AC_MSG_FAILURE([cannot compile a simple C program])])
])
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