Tests/test_clean.cmake.in - third_party/github.com/Kitware/CMake - Git at Google

 set(TEST_BUILD_DIRS "@TEST_BUILD_DIRS@")
 file(REMOVE_RECURSE ${TEST_BUILD_DIRS})
	set(TEST_BUILD_DIRS "@TEST_BUILD_DIRS@")
	file(REMOVE_RECURSE ${TEST_BUILD_DIRS})