Index: /issm/trunk/externalpackages/mpich2/configs/macosx64/configure.sh
===================================================================
--- /issm/trunk/externalpackages/mpich2/configs/macosx64/configure.sh	(revision 3316)
+++ /issm/trunk/externalpackages/mpich2/configs/macosx64/configure.sh	(revision 3316)
@@ -0,0 +1,4 @@
+#!/bin/bash
+export CFLAGS=" -m64"
+export FFLAGS=" -m64"
+./configure --prefix="$ISSM_DIR/externalpackages/mpich2/install" --enable-f91=gfortran --enable-sharedlibs=osx-gcc