cmake_minimum_required(VERSION 3.18) project(ISPCDynamicLibrary CXX ISPC) if(CMAKE_SIZEOF_VOID_P EQUAL 4) set(CMAKE_ISPC_FLAGS "--arch=x86") endif() add_library(ispc_objects1 STATIC extra.ispc extra.cxx) add_library(ispc_objects2 SHARED simple.ispc) target_sources(ispc_objects2 PRIVATE simple.cxx) set_target_properties(ispc_objects1 PROPERTIES POSITION_INDEPENDENT_CODE ON) set_target_properties(ispc_objects1 PROPERTIES ISPC_INSTRUCTION_SETS "sse2-i32x4;avx1-i32x16;avx2-i32x4") set_target_properties(ispc_objects2 PROPERTIES ISPC_INSTRUCTION_SETS "sse2-i32x4") target_link_libraries(ispc_objects2 PUBLIC ispc_objects1) add_executable(ISPCDynamicLibrary main.cxx) target_link_libraries(ISPCDynamicLibrary PUBLIC ispc_objects2)