From 04fe7fdd9ebc736c5cf6cc18b024d714e64f656e Mon Sep 17 00:00:00 2001
From: Achim Gsell <achim.gsell@psi.ch>
Date: Thu, 28 Jul 2016 12:18:25 +0200
Subject: [PATCH] configure.ac: - do not ignore CC an CXX

---
 configure.ac | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 5bbec2a..4d37547 100644
--- a/configure.ac
+++ b/configure.ac
@@ -112,9 +112,13 @@ AC_ARG_WITH(
 	[VTK_PREFIX=$withval], [])
 
 # Determine a C/C++ compiler to use. 
-CC=''
-CXX=''
 if test "x$ENABLE_PARALLEL" = "xyes"; then
+   	if test "x$MPICC" != "x"; then
+	   	CC=$MPICC
+	fi
+   	if test "x$MPICXX" != "x"; then
+	   	CXX=$MPICXX
+	fi
    	c_compilers="mpicc cc"
 	cxx_compilers="mpic++ CC"
 else