Index: bison/src/bison/2.4.1/bison-2.4.1-src/m4/c-working.m4 |
=================================================================== |
--- bison/src/bison/2.4.1/bison-2.4.1-src/m4/c-working.m4 (revision 0) |
+++ bison/src/bison/2.4.1/bison-2.4.1-src/m4/c-working.m4 (revision 0) |
@@ -0,0 +1,27 @@ |
+# 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 3 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, see <http://www.gnu.org/licenses/>. |
+ |
+# 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])]) |
+]) |