Bind Metal (#630).
Merge branch 'master' of https://github.com/robovm/robovm
Make sure the tmpDir exists before we launch the worker threads which compile
the linkerX.o files. This should take care of the FileNotFoundException we see
every now and then. (#631)
Merge branch 'master' of https://github.com/robovm/robovm
moved @atomic_cas out of main header.ll and into target specific headers. Uses OSAtomicCompareAndSwap32 for iOS ARM target