Pass 'threaded' flag to the GHC executable (#689)
Pass 'threaded' flag to the GHC executable (#689)


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