The attached patch disables the gfortran flag -march=native.
Same patch can be found at the URL
http://www.nwchem-sw.org/images/Disable_march_native.patch.gz
--- nwchem-6.6/src/config/makefile.h 2016-11-17 22:29:09.794581240 +0000
+++ nwchem-6.6/src/config/makefile.h.orig 2016-11-17 22:26:29.497599135 +0000
@@ -1956,7 +1956,7 @@
FOPTIONS += -ff2c -fno-second-underscore
endif
ifeq ($(GNU_GE_4_6),true)
- FOPTIONS += -mtune=native
+ FOPTIONS += -march=native -mtune=native
FOPTIONS += -finline-functions
else
ifeq ($(_GOT3DNOW),Y)
