From cddf121ce034d1080fddeb3887694f90640bfb9a Mon Sep 17 00:00:00 2001
From: Christophe Alexandre <alliance-cvs@asim.lip6.fr>
Date: Fri, 22 Mar 2002 10:43:33 +0000
Subject: [PATCH] missing macro

---
 alliance/src/ocp/oldgcc.m4 | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 alliance/src/ocp/oldgcc.m4

diff --git a/alliance/src/ocp/oldgcc.m4 b/alliance/src/ocp/oldgcc.m4
new file mode 100644
index 00000000..cce2c0fc
--- /dev/null
+++ b/alliance/src/ocp/oldgcc.m4
@@ -0,0 +1,30 @@
+AC_DEFUN(ALC_CXX_PROBLEMATIC_OLD_VERSION,
+[
+AC_REQUIRE([AC_PROG_CXX])
+AC_MSG_CHECKING(if this is a problematic old ${CXX} version)
+AC_CACHE_VAL(alc_cv_cxx_problematic_version,
+[
+AC_LANG_SAVE
+AC_LANG_CPLUSPLUS
+AC_TRY_CPP([
+#ifdef __GNUC__
+#if __GNUC__ < 2
+#error ALC works best with GCC version 2.95.2 or higher
+#endif /* __GNUC__ < 2 */
+#ifdef __GNUC_MINOR__
+#if __GNUC__ == 2 && __GNUC_MINOR__ < 95
+#error ALC works only with GCC version 2.95.2 or higher
+#endif /* __GNUC_MINOR__ < 95.2 */
+#endif /* defined(__GNUC_MINOR__) */
+#endif /* defined(__GNUC__) */
+],
+alc_cv_cxx_problematic_version=no, alc_cv_cxx_problematic_version=yes)
+AC_LANG_RESTORE
+])
+AC_MSG_RESULT($alc_cv_cxx_problematic_version)
+if test "$alc_cv_cxx_problematic_version" = yes; then
+AC_MSG_ERROR(*** This package works only with ${CXX} version 2.95.2 or higher ... please install gcc 2.95.2 or higher or set the environment variable CC and CXX to the good gcc before running the configure script ***)
+fi
+])dnl
+dnl
+dnl