[commit: ghc] wip/T16212-fixed, wip/sgraf-no-exnstr: Only build vanilla way in devel2 flavour (e7e5f4a)

[git at git.haskell.org]

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

On branches: wip/T16212-fixed,wip/sgraf-no-exnstr
Link       : http://ghc.haskell.org/trac/ghc/changeset/e7e5f4aebec2f095071a1949bb4595744754ee04/ghc

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commit e7e5f4aebec2f095071a1949bb4595744754ee04
Author: Matthew Pickering <matthewtpickering at gmail.com>
Date:   Fri Jan 25 15:48:54 2019 +0000

    Only build vanilla way in devel2 flavour
    
    Fixes #16210


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e7e5f4aebec2f095071a1949bb4595744754ee04
 hadrian/src/Settings/Flavours/Development.hs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/hadrian/src/Settings/Flavours/Development.hs b/hadrian/src/Settings/Flavours/Development.hs
index 5919026..9ad4b6b 100644
--- a/hadrian/src/Settings/Flavours/Development.hs
+++ b/hadrian/src/Settings/Flavours/Development.hs
@@ -8,7 +8,10 @@ import {-# SOURCE #-} Settings.Default
 developmentFlavour :: Stage -> Flavour
 developmentFlavour ghcStage = defaultFlavour
     { name = "devel" ++ show (fromEnum ghcStage)
-    , args = defaultBuilderArgs <> developmentArgs ghcStage <> defaultPackageArgs }
+    , args = defaultBuilderArgs <> developmentArgs ghcStage <> defaultPackageArgs
+    , libraryWays = pure [vanilla]
+    , rtsWays = pure [vanilla, threaded]
+    , dynamicGhcPrograms = return False }
 
 developmentArgs :: Stage -> Args
 developmentArgs ghcStage = do