--- mfem/miniapps/performance/makefile	2017-06-07 13:51:29.366596901 -0700
+++ mfem/miniapps/performance/makefile.new	2017-06-07 13:51:57.087104178 -0700
@@ -26,7 +26,6 @@
 # Compiler specific optimizations.
 # For best performance, GCC 5 (or newer) is recommended.
 ifneq (,$(findstring $(MFEM_CXX),g++ mpicxx))
-   MFEM_CXXFLAGS += -march=native
    # MFEM_CXXFLAGS += -std=c++03
    MFEM_CXXFLAGS += -std=c++11
    MFEM_CXXFLAGS += -pedantic -Wall