macosx compile fix
Merge branch 'devel' of https://github.com/embree/embree into devel
Merge branch 'devel' of https://github.com/embree/embree into devel
Merge branch 'devel' of https://github.com/embree/embree into devel
Merge branch 'devel' of https://github.com/embree/embree into devel
retrace compiles on standard Xeon
Merge branch 'devel' of https://github.com/embree/embree into devel
updates