Update source-repository in the .cabal file to point to the git repo

[ghc-prim.git] / Setup.hs

diff --git a/Setup.hs b/Setup.hs
index 0322363..5e736ab 100644 (file)
--- a/Setup.hs
+++ b/Setup.hs
@@ -9,13 +9,13 @@ import Data.Maybe
 import Distribution.PackageDescription
 import Distribution.Simple
 import Distribution.Simple.LocalBuildInfo
+import Distribution.Simple.Program
 import Distribution.Simple.Utils
 import Distribution.Text
 import System.Cmd
 import System.FilePath
 import System.Exit
 import System.Directory
-import Control.Exception (try)
 
 main :: IO ()
 main = do let hooks = simpleUserHooks {
@@ -25,8 +25,9 @@ main = do let hooks = simpleUserHooks {
                             $ buildHook simpleUserHooks,
                   makefileHook = build_primitive_sources
                                $ makefileHook simpleUserHooks,
-                  haddockHook = build_primitive_sources
-                               $ haddockHook simpleUserHooks }
+                  haddockHook = addPrimModuleForHaddock
+                              $ build_primitive_sources
+                              $ haddockHook simpleUserHooks }
           defaultMainWithHooks hooks
 
 type Hook a = PackageDescription -> LocalBuildInfo -> UserHooks -> a -> IO ()
@@ -40,6 +41,13 @@ addPrimModule f pd lbi uhs x =
            lbi' = lbi { localPkgDescr = lpd }
        f pd' lbi' uhs x
 
+addPrimModuleForHaddock :: Hook a -> Hook a
+addPrimModuleForHaddock f pd lbi uhs x =
+    do let pc = withPrograms lbi
+           pc' = userSpecifyArgs "haddock" ["GHC/Prim.hs"] pc
+           lbi' = lbi { withPrograms = pc' }
+       f pd lbi' uhs x
+
 addPrimModuleToPD :: PackageDescription -> PackageDescription
 addPrimModuleToPD pd =
     case library pd of
@@ -76,5 +84,7 @@ maybeUpdateFile source target = do
   r <- rawSystem "cmp" ["-s" {-quiet-}, source, target]
   case r of
     ExitSuccess   -> removeFile source
-    ExitFailure _ -> do try (removeFile target); renameFile source target
+    ExitFailure _ -> do exists <- doesFileExist target
+                        when exists $ removeFile target
+                        renameFile source target