2 import Distribution.PackageDescription
3 import Distribution.Setup
4 import Distribution.Simple
5 import Distribution.Simple.Configure
6 import Distribution.Simple.LocalBuildInfo
7 import Distribution.Verbosity
8 import System.Environment
11 main = do args <- getArgs
13 pref : ghcpkg : args' ->
14 let verbosity = case args' of
21 _ -> error ("Bad arguments: " ++ show args)
22 in doit pref ghcpkg verbosity
24 error "Missing arguments"
26 doit :: FilePath -> FilePath -> Verbosity -> IO ()
27 doit pref ghcpkg verbosity =
28 do let userHooks = simpleUserHooks
29 copyFlags = (emptyCopyFlags NoCopyDest) {
30 copyVerbose = verbosity
32 registerFlags = emptyRegisterFlags {
33 regUser = MaybeUserGlobal,
34 regVerbose = verbosity
36 lbi <- getPersistBuildConfig
37 let pd = localPkgDescr lbi
38 -- XXX This is an almighty hack, shadowing the base
40 mkLib filt = case library pd of
42 let ems = filter filt $ exposedModules lib
47 error "Expected a library, but none found"
48 -- There's no files for GHC.Prim, so we will fail if we
50 pd_copy = pd { library = Just (mkLib ("GHC.Prim" /=)) }
51 pd_reg = pd { library = Just (mkLib (const True)) }
52 -- When coying, we need to actually give a concrete
53 -- directory to copy to rather than "$topdir"
54 lbi_copy = lbi { prefix = pref }
55 -- When we run GHC we give it a $topdir that includes the
56 -- $compiler/lib/ part of libsubdir, so we only want the
57 -- $pkgid part in the package.conf file. This is a bit of
59 lbi_reg = lbi { libsubdir = "$pkgid" }
60 (copyHook simpleUserHooks) pd_copy lbi_copy userHooks copyFlags
61 (regHook simpleUserHooks) pd_reg lbi_reg userHooks registerFlags