cmake_minimum_required (VERSION 2.6) PROJECT(TestWorkingDir) ADD_CUSTOM_COMMAND( OUTPUT "${TestWorkingDir_BINARY_DIR}/working.c" COMMAND "${CMAKE_COMMAND}" -E copy ./working.c.in "${TestWorkingDir_BINARY_DIR}/working.c" WORKING_DIRECTORY "${TestWorkingDir_SOURCE_DIR}" COMMENT "custom command" ) SET_SOURCE_FILES_PROPERTIES( "${TestWorkingDir_BINARY_DIR}/working.c" "${TestWorkingDir_BINARY_DIR}/customTarget.c" PROPERTIES GENERATED 1) ADD_EXECUTABLE(working "${TestWorkingDir_BINARY_DIR}/working.c" "${TestWorkingDir_BINARY_DIR}/customTarget.c") ADD_CUSTOM_TARGET( Custom ALL COMMAND "${CMAKE_COMMAND}" -E copy_if_different ./customTarget.c "${TestWorkingDir_BINARY_DIR}/customTarget.c" WORKING_DIRECTORY "${TestWorkingDir_SOURCE_DIR}" ) ADD_DEPENDENCIES(working Custom)