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authordavve <davve@dtek.chalmers.se>2007-03-08 15:59:49 +0000
committerdavve <davve@dtek.chalmers.se>2007-03-08 15:59:49 +0000
commitc5aa02bc0b97ba73ee19ddd230e0d13f902799ff (patch)
treec25ccf091615db45c951c3428d0ad18073413a61 /src/Main.hs
parent7cb99d181c1d34241681e6600c702409c4fcc530 (diff)
Go back to -B flag
Diffstat (limited to 'src/Main.hs')
-rw-r--r--src/Main.hs27
1 files changed, 4 insertions, 23 deletions
diff --git a/src/Main.hs b/src/Main.hs
index feb815fd..944ee10f 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -73,35 +73,16 @@ import StaticFlags ( parseStaticFlags )
-- Top-level stuff
--------------------------------------------------------------------------------
--- | Get the GHC lib dir by asking the GHC binary that this program was built
--- with (or should've been built with if it hasn't moved).
-getGHCLibDir = do
- str <- systemCaptureStdout 0 (compilerPath ++ " --print-libdir")
- case lines str of
- (path:_) -> return path
- _ -> die ("Error: " ++ compilerPath ++ " did not respond well to " ++
- "--print-libdir")
-
--- temporarily taken from Cabal. TODO: use a library
-systemCaptureStdout :: Int -> String -> IO String
-systemCaptureStdout verbose cmd = do
- withTempFile "." "" $ \tmp -> do
- let cmd_line = cmd ++ " >" ++ tmp
- when (verbose > 0) $ putStrLn cmd_line
- res <- system cmd_line
- case res of
- ExitFailure _ -> die ("executing external program failed: "++cmd_line)
- ExitSuccess -> do str <- readFile tmp
- let ev [] = ' '; ev xs = last xs
- ev str `seq` return str
+parseLibDir (('-':'B':libdir):rest) = (libdir,rest)
+parseLibDir _ = die "Error: no -B<ghc_lib_dir> argument\n"
main :: IO ()
main = do
args <- getArgs
- libDir <- getGHCLibDir
+ let (libDir, args') = parseLibDir args
-- find out which flag mode we are in
- let (isGHCMode, rest) = parseModeFlag args
+ let (isGHCMode, rest) = parseModeFlag args'
-- initialize GHC
(session, dynflags) <- startGHC libDir