[PATCH] D18091: ELF: Implement --build-id.

[H.J Lu via llvm-commits]

hjl.tools added a subscriber: hjl.tools.
hjl.tools added a comment.

FYI,  here is the spec for .note.gnu.build-id section:

https://github.com/hjl-tools/linux-abi/wiki/Linux-Extensions-to-gABI


http://reviews.llvm.org/D18091