set(LIT_CFG_DIR ${CMAKE_CURRENT_SOURCE_DIR}) configure_file(lit.site.cfg.py.in ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py @ONLY) find_program(LLVM_LIT_EXECUTABLE NAMES llvm-lit lit) add_custom_target(check COMMAND ${LLVM_LIT_EXECUTABLE} -v "${CMAKE_CURRENT_BINARY_DIR}" )