runCc :: DynFlags -> [Option] -> IO ()
runCc dflags args = do
let (p,args0) = pgm_c dflags
- (args1,mb_env) <- getGccEnv (args0++args)
+ args1 = args0 ++ args
+ mb_env <- getGccEnv args1
runSomethingFiltered dflags cc_filter "C Compiler" p args1 mb_env
where
-- discard some harmless warnings from gcc that we can't turn off
isContainedIn :: String -> String -> Bool
xs `isContainedIn` ys = any (xs `isPrefixOf`) (tails ys)
--- Turn the -B<dir> option to gcc into the GCC_EXEC_PREFIX env var, to
--- workaround a bug in MinGW gcc on Windows Vista, see bug #1110.
-getGccEnv :: [Option] -> IO ([Option], Maybe [(String,String)])
+-- If the -B<dir> option is set, add <dir> to PATH. This works around
+-- a bug in gcc on Windows Vista where it can't find its auxiliary
+-- binaries (see bug #1110).
+getGccEnv :: [Option] -> IO (Maybe [(String,String)])
getGccEnv opts =
#if __GLASGOW_HASKELL__ < 603
- return (opts,Nothing)
+ return Nothing
#else
if null b_dirs
- then return (opts,Nothing)
+ then return Nothing
else do env <- getEnvironment
- return (rest, Just (("GCC_EXEC_PREFIX", head b_dirs) : env))
+ return (Just (map mangle_path env))
where
- (b_dirs, rest) = partitionWith get_b_opt opts
+ (b_dirs, _) = partitionWith get_b_opt opts
get_b_opt (Option ('-':'B':dir)) = Left dir
get_b_opt other = Right other
+
+ mangle_path ("PATH",paths) = ("PATH", '\"' : head b_dirs ++ "\";" ++ paths)
+ mangle_path other = other
#endif
runMangle :: DynFlags -> [Option] -> IO ()
runAs :: DynFlags -> [Option] -> IO ()
runAs dflags args = do
let (p,args0) = pgm_a dflags
- runSomething dflags "Assembler" p (args0++args)
+ args1 = args0 ++ args
+ mb_env <- getGccEnv args1
+ runSomethingFiltered dflags id "Assembler" p args1 mb_env
runLink :: DynFlags -> [Option] -> IO ()
runLink dflags args = do
runMkDLL :: DynFlags -> [Option] -> IO ()
runMkDLL dflags args = do
let (p,args0) = pgm_dll dflags
- (args1,mb_env) <- getGccEnv (args0++args)
+ args1 = args0 ++ args
+ mb_env <- getGccEnv (args0++args)
runSomethingFiltered dflags id "Make DLL" p args1 mb_env
touch :: DynFlags -> String -> String -> IO ()