diff -urN a/src/CMakeLists.txt b/src/CMakeLists.txt --- a/src/CMakeLists.txt 2015-02-23 16:10:22.000000000 -0700 +++ b/src/CMakeLists.txt 2015-02-27 05:34:00.436336619 -0700 @@ -144,7 +144,7 @@ ) set (BuildOptionsBasic - "-std=c++11 -Wno-unused-parameter -O3 -msse -msse2 -mfpmath=sse -ffast-math -fomit-frame-pointer" + "-std=c++11 -Wno-unused-parameter -O3 -ffast-math -fomit-frame-pointer" CACHE STRING "basic X86 complier options" )