rubinius/rubinius — pull request #1588 by ryoqun (2012-03-04 13:30:28+00:00)
Title: Guard LLVM-dependant gc code with ENABLE_LLVM

Currently, rubinius can't be built with `--disable-llvm`.

By correctly guarding LLVM-dependant code with `ENABLE_LLVM`, this commit make it possible to do it again.