--- make_mpich.orig	2016-07-27 14:58:51 UTC
+++ make_mpich
@@ -1,5 +1,5 @@
 # Enter root directory of mpich install
-MPI_HOME=
+#MPI_HOME=
 
 MPICC=$(shell find ${MPI_HOME} -name mpicc -print)
 
@@ -12,7 +12,7 @@ endif
 LIB_PATH    =
 LIBS        = 
 CC          = ${MPI_HOME}/bin/mpicc 
-OPTFLAGS    = -O3
+OPTFLAGS    = ${CFLAGS}
 CLINKER     = ${CC}
 LDFLAGS     =
 CPPFLAGS    =