Try to drop the 'echo' hack.
Try to drop the 'echo' hack.

izgzhen/hadrian,sdiehl/ghc,sdiehl/ghc,snowleopard/hadrian,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,bgamari/shaking-up-ghc,snowleopard/shaking-up-ghc,sdiehl/ghc