"rm -rf build/*" instead of "cd build; rm -rf *" to supress fresh cabal clean causing "/bin/sh: 1: cd: can't cd to build", updates 27429167adcf6d04daff590bf03b9f4b25ed0564
Merge pull request #34 from ghorn/llvm3.4

"rm -rf build/*" instead of "cd build; rm -rf *" to supress fresh cabal ...