Tests/RunCMake/CXXModules/examples/ninja-cmp0154-build-check.cmake - third_party/github.com/Kitware/CMake - Git at Google

 if (EXISTS "${RunCMake_TEST_BINARY_DIR}/importable.cxx")
   list(APPEND RunCMake_TEST_FAILED
     "The `importable.cxx` file should not be generated to compile `unrelated`'s object")
 endif ()
	if (EXISTS "${RunCMake_TEST_BINARY_DIR}/importable.cxx")
	list(APPEND RunCMake_TEST_FAILED
	"The `importable.cxx` file should not be generated to compile `unrelated`'s object")
	endif ()