execute xlf_gen_mpimod script and compile the MPICH2 modules

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.7@12490 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-IBMhpc/share/xcat/IBMhpc/pe/pe_install-1200

@@ -79,3 +79,11 @@ if [ "$OS" == "AIX" ]; then
   fi
   mount /proc
 fi
+
+# Generate mpi modules
+if [ "$OS" != "AIX" ]; then
+    gen_xlf=`grep PE_LATEST_LEVEL $installroot/etc/ppe.cfg | cut -f2 -d ' ' `/mpich2/sbin/xlf_gen_mpimod
+    if [ -x $installroot/$gen_xlf ] ; then
+          chroot $installroot $gen_xlf
+    fi
+fi