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-rw-r--r--src/Main.hs4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/Main.hs b/src/Main.hs
index 0a3c9ffc..c0b7df4b 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -57,6 +57,7 @@ import Paths_haddock
import GHC hiding (flags, verbosity)
import Config
import DynFlags hiding (flags, verbosity)
+import StaticFlags (saveStaticFlagGlobals, restoreStaticFlagGlobals)
import Panic (panic, handleGhcException)
import Module
@@ -290,7 +291,7 @@ dumpInterfaceFile path ifaces homeLinks = writeInterfaceFile path ifaceFile
-- | Start a GHC session with the -haddock flag set. Also turn off
-- compilation and linking. Then run the given 'Ghc' action.
withGhc :: String -> [String] -> (DynFlags -> Ghc a) -> IO a
-withGhc libDir flags ghcActs = do
+withGhc libDir flags ghcActs = saveStaticFlagGlobals >>= \savedFlags -> do
-- TODO: handle warnings?
(restFlags, _) <- parseStaticFlags (map noLoc flags)
runGhc (Just libDir) $ do
@@ -308,6 +309,7 @@ withGhc libDir flags ghcActs = do
-- dynamic or static linking at all!
_ <- setSessionDynFlags dynflags'''
ghcActs dynflags'''
+ `finally` restoreStaticFlagGlobals savedFlags
where
parseGhcFlags :: Monad m => DynFlags -> [Located String]
-> [String] -> m DynFlags