[commit: ghc] wip/nfs-locking: Fix wrapper build (090e00a)

[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/090e00af68efad88b82ae94e8f7a3a97375b6054/ghc

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

commit 090e00af68efad88b82ae94e8f7a3a97375b6054
Author: Andrey Mokhov <andrey.mokhov at gmail.com>
Date:   Tue Aug 29 00:46:19 2017 +0100

    Fix wrapper build
    
    See #403


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090e00af68efad88b82ae94e8f7a3a97375b6054
 src/Rules/Program.hs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Rules/Program.hs b/src/Rules/Program.hs
index c8a725e..b13f8a2 100644
--- a/src/Rules/Program.hs
+++ b/src/Rules/Program.hs
@@ -17,7 +17,7 @@ import Utilities
 -- TODO: Drop way in build rule generation?
 buildProgram :: [(Resource, Int)] -> Context -> Rules ()
 buildProgram rs context at Context {..} = when (isProgram package) $ do
-    let installStage = do
+    let installStage = if package == ghc then return stage else do
             stages <- installStages package
             case stages of
                 [s] -> return s
@@ -33,7 +33,7 @@ buildProgram rs context at Context {..} = when (isProgram package) $ do
         -- Some binaries in inplace/bin are wrapped
         inplaceBinPath -/- programName context <.> exe %> \bin -> do
             context' <- programContext stage package
-            binStage <- if package == ghc then return stage else installStage
+            binStage <- installStage
             buildBinaryAndWrapper rs (context' { stage = binStage }) bin
 
         inplaceLibBinPath -/- programName context <.> exe %> \bin -> do