mirage/lwt — pull request #2 by avsm (2014-12-07 10:30:21+00:00)
Title: Add a dummy ppx_lwt.ml to workaround ocsigen/lwt#91 on OSX

This works around ocsigen/lwt#91 on OSX until the proper fix is put into place and makes pinning mirage-tracing easier on OSX.