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 2 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, write to the Free Software 17# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18# 02110-1301 USA 19 20# Written by Paul Eggert. 21 22AC_DEFUN([BISON_TEST_FOR_WORKING_C_COMPILER], [ 23 AC_COMPILE_IFELSE( 24 [AC_LANG_PROGRAM( 25 [[#include <limits.h> 26 int test_array[CHAR_BIT];]])], 27 [], 28 [AC_MSG_FAILURE([cannot compile a simple C program])]) 29]) 30