From 5484ece0904d04eb913d4a6025a6f34010875d97 Mon Sep 17 00:00:00 2001
From: David Waern <david.waern@gmail.com>
Date: Sun, 6 Nov 2011 15:35:48 +0100
Subject: Fix build.

---
 src/Haddock/Interface/Create.hs |  2 +-
 src/Main.hs                     | 24 +++++++++++++++---------
 2 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/src/Haddock/Interface/Create.hs b/src/Haddock/Interface/Create.hs
index 94c2a7e7..caaed13c 100644
--- a/src/Haddock/Interface/Create.hs
+++ b/src/Haddock/Interface/Create.hs
@@ -762,7 +762,7 @@ extractClassDecl c tvs0 (L pos (TypeSig lname ltype)) = case ltype of
   _ -> L pos (TypeSig lname (noLoc (mkImplicitHsForAllTy (lctxt []) ltype)))
   where
     lctxt = noLoc . ctxt
-    ctxt preds = noLoc (HsClassP c (map toTypeNoLoc tvs0)) : preds
+    ctxt preds = nlHsTyConApp c (map toTypeNoLoc tvs0) : preds
 extractClassDecl _ _ _ = error "extractClassDecl: unexpected decl"
 
 
diff --git a/src/Main.hs b/src/Main.hs
index cc5d1302..787b5574 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -329,7 +329,7 @@ getHaddockLibDir flags =
   case [str | Flag_Lib str <- flags] of
     [] ->
 #ifdef IN_GHC_TREE
-      fmap snd getInTreeDirs
+      getInTreeDir
 #else
       getDataDir -- provided by Cabal
 #endif
@@ -338,15 +338,21 @@ getHaddockLibDir flags =
 
 getGhcDirs :: [Flag] -> IO (String, String)
 getGhcDirs flags = do
-  (ghcPath, libDir) <-
+  case [ dir | Flag_GhcLibDir dir <- flags ] of
+    [] -> do
 #ifdef IN_GHC_TREE
-    getInTreeDirs
+      libDir <- getInTreeDir
+      return (ghcPath, libDir)
 #else
-    return (GhcPaths.ghc, GhcPaths.libdir)
+      return (ghcPath, GhcPaths.libdir)
 #endif
-  case [ dir | Flag_GhcLibDir dir <- flags ] of
-    [] -> return (ghcPath, libDir)
     xs -> return (ghcPath, last xs)
+  where
+#ifdef IN_GHC_TREE
+    ghcPath = "not available"
+#else
+    ghcPath = GhcPaths.ghc
+#endif
 
 
 shortcutFlags :: [Flag] -> IO ()
@@ -409,12 +415,12 @@ getPrologue flags =
 
 #ifdef IN_GHC_TREE
 
-getInTreeDirs :: IO (String, String)
-getInTreeDirs = do
+getInTreeDir :: IO String
+getInTreeDir = do
   m <- getExecDir
   case m of
     Nothing -> error "No GhcDir found"
-    Just d -> let p = d </> ".." in return (p </> "bin" </> "ghc", p </> "lib")
+    Just d -> return (d </> ".." </> "lib")
 
 
 getExecDir :: IO (Maybe String)
-- 
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