[commit: ghc] wip/nfs-locking: Generate only one rule for Haddock (Stage1). (cdf208c)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/nfs-locking
Link       : http://ghc.haskell.org/trac/ghc/changeset/cdf208c342c346b48f848e06b9ffc8a089326254/ghc

>---------------------------------------------------------------

commit cdf208c342c346b48f848e06b9ffc8a089326254
Author: Andrey Mokhov <andrey.mokhov at gmail.com>
Date:   Sun Aug 23 01:04:55 2015 +0100

    Generate only one rule for Haddock (Stage1).


>---------------------------------------------------------------

cdf208c342c346b48f848e06b9ffc8a089326254
 src/Rules/Documentation.hs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Rules/Documentation.hs b/src/Rules/Documentation.hs
index 81e3140..5978cfd 100644
--- a/src/Rules/Documentation.hs
+++ b/src/Rules/Documentation.hs
@@ -10,10 +10,10 @@ import Settings
 -- All of them go into the 'doc' subdirectory. Pedantically tracking all built
 -- files in the Shake databases seems fragile and unnecesarry.
 buildPackageDocumentation :: Resources -> PartialTarget -> Rules ()
-buildPackageDocumentation _ target @ (PartialTarget _ pkg) =
+buildPackageDocumentation _ target @ (PartialTarget stage pkg) =
     let cabalFile   = pkgCabalFile pkg
         haddockFile = pkgHaddockFile pkg
-    in do
+    in when (stage == Stage1) $ do
         haddockFile %> \file -> do
             whenM (specified HsColour) $ do
                 need [cabalFile]