ref: ab327dfacd49c61feb0311e064c79bee7e8aec27
dir: /lib/thread/bld.proj/
lib thread = future.myr # linux impl of basic thread primitives condvar+linux.myr mutex+linux.myr spawn+linux.myr atomic-impl+x64.s atomic.myr ;; test smoketest = smoketest.myr ;;