cmake_minimum_required( VERSION 2.4 ) add_custom_command( OUTPUT ${ZDOOM_OUTPUT_DIR}/zdoom.pk3 COMMAND ${CMAKE_BINARY_DIR}/tools/zipdir/zipdir -udf ${ZDOOM_OUTPUT_DIR}/zdoom.pk3 ${CMAKE_CURRENT_SOURCE_DIR}/static ${CMAKE_CURRENT_BINARY_DIR}/generated DEPENDS zipdir ${CMAKE_CURRENT_SOURCE_DIR}/static ) add_custom_target( pk3 ALL DEPENDS ${ZDOOM_OUTPUT_DIR}/zdoom.pk3 )