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