execute_process(COMMAND date "+%a, %-d %b %Y %H:%M:%S %z" OUTPUT_VARIABLE DEB_DATE OUTPUT_STRIP_TRAILING_WHITESPACE) set(DEB_DIST "unstable" CACHE STRING "Distribution to set in the .deb changelog") configure_file(${CMAKE_CURRENT_SOURCE_DIR}/changelog.in ${CMAKE_CURRENT_SOURCE_DIR}/changelog)