cmake_minimum_required(VERSION 3.24...3.28) project(cxx_modules_objlib CXX) include("${CMAKE_SOURCE_DIR}/../cxx-modules-rules.cmake") add_library(objlib OBJECT) target_sources(objlib PUBLIC FILE_SET CXX_MODULES BASE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}" FILES importable.cxx) target_compile_features(objlib PUBLIC cxx_std_20) add_executable(objmain) target_sources(objmain PRIVATE main.cxx) target_link_libraries(objmain PRIVATE objlib) add_test(NAME objmain COMMAND objmain)