Add dependencies, fix #155.
Add dependencies, fix #155.

[skip ci]
sdiehl/ghc,snowleopard/shaking-up-ghc,sdiehl/ghc,izgzhen/hadrian,sdiehl/ghc,bgamari/shaking-up-ghc,sdiehl/ghc,sdiehl/ghc,snowleopard/hadrian,sdiehl/ghc,sdiehl/ghc