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-rwxr-xr-xsystemvars.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/systemvars.mk b/systemvars.mk
index 76180e2f9f1d..41661c37da58 100755
--- a/systemvars.mk
+++ b/systemvars.mk
@@ -30,7 +30,7 @@ PARALLELFLAGS = -fopenmp
DEPENDFLAGS = -MM
-OPTFLAGS = -g -O3 -fexpensive-optimizations ${ARCHFLAGS}
+OPTFLAGS = -march=native -O3 -fexpensive-optimizations ${ARCHFLAGS}
MACHDBGFLAGS = -g
GNU_ANSI_FLAGS = -Wall -ansi -pedantic -std=c++11 -Wno-long-long
SGI_ANSI_FLAGS = -ansi -fullwarn