From aebd1ea43237741bd29878604b742b14cc87d68b Mon Sep 17 00:00:00 2001
From: Nathan Hjelm <hjelmn@lanl.gov>
Date: Wed, 14 Nov 2012 04:52:39 +0000
Subject: [PATCH] Per discussion we will now require a C99 compiant compiler.

This change will enable the use of C99 features in Open MPI; subobject naming, restricted pointers, etc.

cmr:v1.7

This commit was SVN r27604.
---
 opal/config/opal_setup_cc.m4 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/opal/config/opal_setup_cc.m4 b/opal/config/opal_setup_cc.m4
index 9e44fac0c4..d24d2ad765 100644
--- a/opal/config/opal_setup_cc.m4
+++ b/opal/config/opal_setup_cc.m4
@@ -32,6 +32,9 @@ AC_DEFUN([OPAL_SETUP_CC],[
     AC_REQUIRE([_OMPI_PROG_CC])
     AC_REQUIRE([AM_PROG_CC_C_O])
 
+    # From Open MPI 1.7 on we require a C99 compiant compiler
+    AC_REQUIRE([AC_PROG_CC_C99])
+
     OMPI_C_COMPILER_VENDOR([ompi_c_vendor])
 
     # Check for standard headers, needed here because needed before