module Main where import GHC import Packages import GhcMonad import Outputable import System.Environment import DynFlags import Module main = do [libdir] <- getArgs _ <- runGhc (Just libdir) $ do dflags <- getSessionDynFlags setSessionDynFlags dflags dflags <- getSessionDynFlags liftIO $ print (mkModuleName "Outputable" `elem` listVisibleModuleNames dflags) _ <- runGhc (Just libdir) $ do dflags <- getSessionDynFlags setSessionDynFlags (dflags { packageFlags = [ExposePackage (PackageArg "ghc") (ModRenaming True [])] }) dflags <- getSessionDynFlags liftIO $ print (mkModuleName "Outputable" `elem` listVisibleModuleNames dflags) return ()