import Distribution.PackageDescription
-import Distribution.Setup
import Distribution.Simple
import Distribution.Simple.Configure
import Distribution.Simple.LocalBuildInfo
-import Distribution.Simple.Utils
+import Distribution.Simple.Program
+import Distribution.Simple.Setup
import Distribution.Verbosity
import System.Environment
main :: IO ()
main = do args <- getArgs
- let verbosity = case args of
+ case args of
+ destdir : pref : ghcpkg : ghcpkgconf : args' ->
+ let verbosity = case args' of
[] -> normal
['-':'v':v] ->
let m = case v of
_ -> Just v
in flagToVerbosity m
_ -> error ("Bad arguments: " ++ show args)
- userHooks = simpleUserHooks
- installFlags = InstallFlags {
- installUserFlags = MaybeUserGlobal,
- installVerbose = verbosity
- }
- pdFile <- defaultPackageDesc verbosity
- pd <- readPackageDescription verbosity pdFile
+ in doit destdir pref ghcpkg ghcpkgconf verbosity
+ _ ->
+ error "Missing arguments"
+
+doit :: FilePath -> FilePath -> FilePath -> FilePath -> Verbosity -> IO ()
+doit destdir pref ghcpkg ghcpkgconf verbosity =
+ do let userHooks = simpleUserHooks
+ copyto = if null destdir then NoCopyDest else CopyTo destdir
+ copyFlags = (emptyCopyFlags copyto) {
+ copyVerbose = verbosity
+ }
+ registerFlags = emptyRegisterFlags {
+ regUser = MaybeUserGlobal,
+ regVerbose = verbosity,
+ regGenScript = False,
+ regInPlace = False
+ }
lbi <- getPersistBuildConfig
- let -- XXX This is an almighty hack, shadowing the base Setup.hs hack
- lib' = case library pd of
- Just lib ->
- lib {
- exposedModules = filter (("GHC.Prim" /=))
- $ exposedModules lib
- }
- Nothing ->
- error "Expected a library, but none found"
- pd' = pd { library = Just lib' }
- -- When installing we need to use the non-inplace ghc-pkg.
- -- We also set the compiler to be non-inplace, but that
- -- probably doesn't matter.
- c = compiler lbi
- c' = c { compilerPath = dropInPlace (compilerPath c),
- compilerPkgTool = dropInPlace (compilerPkgTool c)
+ let pd = localPkgDescr lbi
+ i = installDirTemplates lbi
+ -- XXX This is an almighty hack, shadowing the base
+ -- Setup.hs hack
+ mkLib filt = case library pd of
+ Just lib ->
+ let ems = filter filt $ exposedModules lib
+ in lib {
+ exposedModules = ems
+ }
+ Nothing ->
+ error "Expected a library, but none found"
+ -- There's no files for GHC.Prim, so we will fail if we
+ -- try to copy them
+ pd_copy = pd { library = Just (mkLib ("GHC.Prim" /=)) }
+ pd_reg = pd { library = Just (mkLib (const True)) }
+ -- When coying, we need to actually give a concrete
+ -- directory to copy to rather than "$topdir"
+ i_copy = i { prefixDirTemplate = toPathTemplate pref }
+ lbi_copy = lbi { installDirTemplates = i_copy }
+ -- When we run GHC we give it a $topdir that includes the
+ -- $compiler/lib/ part of libsubdir, so we only want the
+ -- $pkgid part in the package.conf file. This is a bit of
+ -- a hack, really.
+ progs = withPrograms lbi
+ prog = ConfiguredProgram {
+ programId = programName ghcPkgProgram,
+ programVersion = Nothing,
+ programArgs = ["--global-conf", ghcpkgconf],
+ programLocation = UserSpecified ghcpkg
}
- lbi' = lbi { compiler = c' }
- (instHook simpleUserHooks) pd' lbi' userHooks installFlags
-
-dropInPlace :: FilePath -> FilePath
-dropInPlace "" = ""
-dropInPlace xs@(x:xs') = case dropPrefix "-inplace" xs of
- Nothing -> x : dropInPlace xs'
- Just xs'' -> dropInPlace xs''
-
-dropPrefix :: Eq a => [a] -> [a] -> Maybe [a]
-dropPrefix [] ys = Just ys
-dropPrefix (x:xs) (y:ys)
- | x == y = dropPrefix xs ys
-dropPrefix _ _ = Nothing
+ progs' = updateProgram prog progs
+ i_reg = i { libSubdirTemplate = toPathTemplate "$pkgid" }
+ lbi_reg = lbi { installDirTemplates = i_reg,
+ withPrograms = progs' }
+ (copyHook simpleUserHooks) pd_copy lbi_copy userHooks copyFlags
+ (regHook simpleUserHooks) pd_reg lbi_reg userHooks registerFlags
+ return ()