enable_language(C) enable_language(CXX) set(CMAKE_INCLUDE_CURRENT_DIR ON) add_executable(pch-test main.cpp non-pch.cpp) target_precompile_headers(pch-test PRIVATE pch.h) set_source_files_properties(non-pch.cpp PROPERTIES SKIP_PRECOMPILE_HEADERS ON) enable_testing() add_test(NAME pch-test COMMAND pch-test)