diff -Nrup a/intern/cycles/CMakeLists.txt b/intern/cycles/CMakeLists.txt --- a/intern/cycles/CMakeLists.txt 2019-02-19 10:08:43.000000000 +0100 +++ b/intern/cycles/CMakeLists.txt 2019-02-19 10:43:32.126208534 +0100 @@ -161,7 +161,7 @@ elseif(CMAKE_CXX_COMPILER_ID MATCHES "In endif() endif() -if(CXX_HAS_SSE) +if(CXX_HAS_SSE AND SUPPORT_SSE2_BUILD) add_definitions( -DWITH_KERNEL_SSE2 -DWITH_KERNEL_SSE3