cmake_minimum_required( VERSION 2.4 ) set( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG" ) add_executable( lemon lemon.c ) # Lemon wants lempar.c in its directory add_custom_command( TARGET lemon POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/lempar.c ${CMAKE_CURRENT_BINARY_DIR} )