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Diffstat (limited to 'm4/c-working.m4')
-rw-r--r-- | m4/c-working.m4 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/m4/c-working.m4 b/m4/c-working.m4 new file mode 100644 index 00000000..ec74035b --- /dev/null +++ b/m4/c-working.m4 @@ -0,0 +1,29 @@ +# 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])]) +]) |