cmake_minimum_required(VERSION 3.18) project(ISPCDefines CXX ISPC) set(CMAKE_ISPC_INSTRUCTION_SETS "sse2-i32x4;sse4-i16x8;avx1-i32x16;avx2-i32x4;avx512knl-i32x16;avx512skx-i32x8") set(CMAKE_ISPC_FLAGS -DM_PI=3.1415926535f) add_compile_definitions([==[STRUCT_DEFINE=struct{uniform int a]==]) add_executable(ISPCDefines main.cxx simple.ispc ) set_target_properties(ISPCDefines PROPERTIES POSITION_INDEPENDENT_CODE ON) if(CMAKE_SIZEOF_VOID_P EQUAL 4) set_source_files_properties(simple.ispc PROPERTIES COMPILE_OPTIONS "--arch=x86") endif()