diff -Nrup a/intern/cycles/CMakeLists.txt b/intern/cycles/CMakeLists.txt --- a/intern/cycles/CMakeLists.txt 2019-05-24 19:37:21.240663957 +0200 +++ b/intern/cycles/CMakeLists.txt 2019-05-24 19:38:35.531450627 +0200 @@ -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