Cleaner method for gathering information about the build system, including a cleaner way to test for GCC flags.
When running autoconf and configure, first switch into the directory of the last target.
Set up the halvm-ghc build environment: generate build.mk, run sync-all, generate and run configure
Another file to ignore.
Merge branch 'pre2.0' of github.com:GaloisInc/HaLVM into pre2.0