--- cmake/Modules/AppleMultiArch.cmake.orig 2018-01-02 08:49:12.000000000 -0800 +++ cmake/Modules/AppleMultiArch.cmake 2018-01-02 09:12:17.000000000 -0800 @@ -32,8 +32,10 @@ set(_APPLE_ARCHITECTURES i386;ppc;ppc64) elseif (MACOS_VERSION MATCHES "^10\\.5\\.") set(_APPLE_ARCHITECTURES i386;x86_64;ppc;ppc64) - else () + elseif (MACOS_VERSION MATCHES "^10\\.[67]\\.") set(_APPLE_ARCHITECTURES x86_64;i386) + else () + set(_APPLE_ARCHITECTURES x86_64) endif () #