From 304840f8073ef7b3369601a97afb0605326e79e3 Mon Sep 17 00:00:00 2001
From: Andrey Mokhov <andrey.mokhov@gmail.com>
Date: Sat, 30 Jan 2016 23:58:57 +0000
Subject: [PATCH] Depend on Stage2 GHC, ghc-pkg and hpc in validate target.

See #187. [skip ci]
---
 src/Builder.hs | 2 ++
 src/Test.hs    | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/src/Builder.hs b/src/Builder.hs
index 71399a7e05..80fc4ba994 100644
--- a/src/Builder.hs
+++ b/src/Builder.hs
@@ -124,6 +124,8 @@ getBuilderPath = lift . builderPath
 specified :: Builder -> Action Bool
 specified = fmap (not . null) . builderPath
 
+-- TODO: split into two functions: needBuilder (without laxDependencies) and
+-- unsafeNeedBuilder (with the laxDependencies parameter)
 -- | Make sure a builder exists on the given path and rebuild it if out of date.
 -- If 'laxDependencies' is True then we do not rebuild GHC even if it is out of
 -- date (can save a lot of build time when changing GHC).
diff --git a/src/Test.hs b/src/Test.hs
index 06c82eb762..a79c9fcb40 100644
--- a/src/Test.hs
+++ b/src/Test.hs
@@ -15,6 +15,9 @@ import Settings.User
 testRules :: Rules ()
 testRules = do
     "validate" ~> do
+        needBuilder False $ Ghc Stage2 -- TODO: get rid of False parameters
+        needBuilder False $ GhcPkg Stage1
+        needBuilder False $ Hpc
         runMakeVerbose "testsuite/tests" ["fast"]
 
     "test" ~> do