cmake HAVE_DTRACE examples

omnigres/omnigres deps/h2o/CMakeLists.txt :135 

OPTION(WITH_DTRACE "use USDT (userspace Dtrace probes)" ${HAVE_DTRACE})

omnigres/omnigres deps/h2o/deps/picotls/CMakeLists.txt :21 

OPTION(WITH_DTRACE "use USDT (userspace Dtrace probes)" ${HAVE_DTRACE})

omnigres/omnigres deps/h2o/deps/quicly/CMakeLists.txt :19 

OPTION(WITH_DTRACE "use USDT (userspace Dtrace probes)" ${HAVE_DTRACE})

h2o/quicly CMakeLists.txt :19 

OPTION(WITH_DTRACE "use USDT (userspace Dtrace probes)" ${HAVE_DTRACE})