update build infrastructure for llvm-16.0.6
Update build infrastructure for LLVM 13.0.0.
Update clang build infrastructure for LLVM 11.1.0.Heavy lifting by mortimer@, thank you so much!
Add RETGUARD implementation for powerpc and powerpc64.ok deraadt@ kettenis@
Update build infrastructure for LLVM 10.0.0.ok hackroom@tested by plenty
Build and install a shared libLLVM, llvm-config and llvm includes.This is required to build the radeonsi Mesa driver.ok patrick@
Update clang build infrastructure for LLVM 6.0.0.
Update clang build infrastructure for LLVM 5.0.0.
zap empty depends/silence empty installs.okay millert@
Update clang build infrastructure for LLVM 3.9.1"go ahead" kettenis@"just go ahead" deraadt@"sounds good to me" stefan@
Add PowerPC backend build infrastructure.ok kettenis@