--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -474,7 +474,7 @@
     # Linux
     IF (CMAKE_SYSTEM_NAME MATCHES "Linux")
       IF (NOT GCC_VERSION VERSION_LESS 4.2)
-        SET (CERES_CXX_FLAGS "${CERES_CXX_FLAGS} -march=native -mtune=native")
+        #SET (CERES_CXX_FLAGS "${CERES_CXX_FLAGS} -march=native -mtune=native")
       ENDIF (NOT GCC_VERSION VERSION_LESS 4.2)
     ENDIF (CMAKE_SYSTEM_NAME MATCHES "Linux")
     # Mac OS X
