--- Makefile~ 2019-07-31 16:25:31.000000000 -0500
+++ Makefile 2019-07-31 16:26:03.828996069 -0500
@@ -195,7 +195,7 @@
#
CXXFLAGS += $(patsubst %,-I%,$(INC_DIRS))
-CXXFLAGS += -O2 -Wall -Wextra -march=native -Wno-parentheses -std=c++14
+CXXFLAGS += -O2 -Wall -Wextra -mcpu=native -Wno-parentheses -std=c++14
CXXFLAGS += -g -D_GLIBCXX_USE_C99_MATH=1
CPPFLAGS += -DNDEBUG