Update llvm-devel and compiler-rt-devel to a new snapshot.
Add a script to update the snapshot SHAs.
Disable clang-tools-extras when building with gcc on FreeBSD due to the
incomplete C++11 support.
Fix a plist bug when lldb wasn't installed.
(Only the first 10 of 12 ports in this commit are shown above. )
Update llvm-devel to a new snapshot.
Remove embedded compiler-rt build as that no longer works and create a
compiler-rt-devel port (currently supporting i386 and amd64, patches
welcome for other ARCHs).
Cause clang to ignore the -fformat-extensions argument.
Submitted by: Sender Ghost <firstname.lastname@example.org>