Fixes to let llcommon build as a .dylib.  It depends on PTH library.
Fixes to let llcommon build as a .dylib.  It depends on PTH library.

gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm