[commit: ghc] wip/nfs-locking: Track mk/config.h (af2d086)

[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/af2d08616055124477b86b14f9f602b2c306a768/ghc

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

commit af2d08616055124477b86b14f9f602b2c306a768
Author: Andrey Mokhov <andrey.mokhov at gmail.com>
Date:   Tue Feb 2 15:41:50 2016 +0000

    Track mk/config.h
    
    See #200.


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

af2d08616055124477b86b14f9f602b2c306a768
 src/Rules/Config.hs                  | 5 +++--
 src/Rules/Generators/GhcAutoconfH.hs | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/Rules/Config.hs b/src/Rules/Config.hs
index eea61c6..f258674 100644
--- a/src/Rules/Config.hs
+++ b/src/Rules/Config.hs
@@ -3,16 +3,17 @@ module Rules.Config (configRules) where
 import Base
 import CmdLineFlag
 import Rules.Actions
+import Rules.Generators.GhcAutoconfH
 
 configRules :: Rules ()
 configRules = do
     -- We always rerun the configure script in this mode, because the flags
     -- passed to it can affect the contents of system.config file.
-    [configFile, "settings"] &%> \[cfg, settings] -> do
+    [configFile, "settings", configH] &%> \[cfg, settings, cfgH] -> do
         alwaysRerun
         case cmdConfigure of
             RunConfigure args -> do
-                need [ settings <.> "in" ]
+                need [ settings <.> "in", cfgH <.> "in" ]
                 runConfigure "." [] [args]
             SkipConfigure     -> unlessM (doesFileExist cfg) $
                 putError $ "Configuration file " ++ cfg ++ " is missing.\n"
diff --git a/src/Rules/Generators/GhcAutoconfH.hs b/src/Rules/Generators/GhcAutoconfH.hs
index d6e783f..9d93744 100644
--- a/src/Rules/Generators/GhcAutoconfH.hs
+++ b/src/Rules/Generators/GhcAutoconfH.hs
@@ -1,4 +1,4 @@
-module Rules.Generators.GhcAutoconfH (generateGhcAutoconfH) where
+module Rules.Generators.GhcAutoconfH (generateGhcAutoconfH, configH) where
 
 import Base
 import Expression