* Some cleanup
* build_compiler_rt.sh: Change git repository. The llvm.org one is no longer synced. * build_compiler_rt.sh: Add check for os/lock.h. * xcrun: "Support" -show-sdk-platform-path. * sw_vers: Output 0CFFFF for Build Version.
* Add missing symlink * Don't build with -g if OCDEBUG=1 isn't given
* Added back support for OpenBSD * Some cleanup and various fixes