set(OPTION_DEFAULT OFF) set(OPTION_CLIENT_DEFAULT OFF) set(OPTION_SERVER_DEFAULT OFF) if(WITH_SAMPLE) set(OPTION_CLIENT_DEFAULT ON) set(OPTION_SERVER_DEFAULT OFF) endif() define_channel_options(NAME "sample" TYPE "static" DESCRIPTION "Sample Virtual Channel Extension" SPECIFICATIONS "" DEFAULT ${OPTION_DEFAULT}) define_channel_client_options(${OPTION_CLIENT_DEFAULT}) define_channel_server_options(${OPTION_SERVER_DEFAULT})