libraries/installPackage.hs

   1
   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.Simple.Utils
   8 import Distribution.Verbosity
   9 import System.Cmd
  10 import System.Environment
  11 import System.Info
  12
  13 main :: IO ()
  14 main = do args <- getArgs
  15           case args of
  16               pref : ghcpkg : args' ->
  17                   let verbosity = case args' of
  18                               [] -> normal
  19                               ['-':'v':v] ->
  20                                   let m = case v of
  21                                               "" -> Nothing
  22                                               _ -> Just v
  23                                   in flagToVerbosity m
  24                               _ -> error ("Bad arguments: " ++ show args)
  25                   in doit pref ghcpkg verbosity
  26               _ ->
  27                   error "Missing arguments"
  28
  29 doit :: FilePath -> FilePath -> Verbosity -> IO ()
  30 doit pref ghcpkg verbosity =
  31        do let userHooks = simpleUserHooks
  32               copyFlags = CopyFlags {
  33                               copyDest = NoCopyDest,
  34                               copyVerbose = verbosity
  35                           }
  36               registerFlags = RegisterFlags {
  37                                   regUser = MaybeUserGlobal,
  38                                   regGenScript = False,
  39                                   regInPlace = False,
  40                                   regWithHcPkg = Just ghcpkg,
  41                                   regVerbose = verbosity
  42                               }
  43           pdFile <- defaultPackageDesc verbosity
  44           pd <- readPackageDescription verbosity pdFile
  45           lbi <- getPersistBuildConfig
  46           let -- XXX These are almighty hacks, shadowing the base
  47               -- Setup.hs hacks
  48               extraExtraLibs = if (os == "mingw32") &&
  49                                   (pkgName (package pd) == "base")
  50                                then ["wsock32", "msvcrt", "kernel32",
  51                                      "user32", "shell32"]
  52                                else []
  53               lib' = case library pd of
  54                          Just lib ->
  55                              let ems = filter (("GHC.Prim" /=))
  56                                      $ exposedModules lib
  57                                  lib_bi = libBuildInfo lib
  58                                  lib_bi' = lib_bi {
  59                                                extraLibs = extraExtraLibs
  60                                                        ++ extraLibs lib_bi
  61                                            }
  62                              in lib {
  63                                     exposedModules = ems,
  64                                     libBuildInfo = lib_bi'
  65                                  }
  66                          Nothing ->
  67                              error "Expected a library, but none found"
  68               pd' = pd { library = Just lib' }
  69               -- When coying, we need to actually give a concrete
  70               -- directory to copy to rather than "$topdir"
  71               lbi_copy = lbi { prefix = pref }
  72               -- When we run GHC we give it a $topdir that includes the
  73               -- $compiler/lib/ part of libsubdir, so we only want the
  74               -- $pkgid part in the package.conf file. This is a bit of
  75               -- a hack, really.
  76               lbi_register = lbi { libsubdir = "$pkgid" }
  77           (copyHook simpleUserHooks) pd' lbi_copy userHooks copyFlags
  78           (regHook simpleUserHooks) pd' lbi_register userHooks registerFlags
  79           return ()
  80