From b453d30f73352b5b8e974f9bb4e7aafdf85bca99 Mon Sep 17 00:00:00 2001
From: Mikhail Glushenkov <mikhail.glushenkov@gmail.com>
Date: Sat, 30 Jan 2016 16:20:42 +0100
Subject: [PATCH] Only Custom setup scripts should be compiled with '-i -i.'.

See https://github.com/haskell/cabal/issues/3003#issuecomment-176494768.
---
 cabal-install/Distribution/Client/SetupWrapper.hs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cabal-install/Distribution/Client/SetupWrapper.hs b/cabal-install/Distribution/Client/SetupWrapper.hs
index 47814a62c71..64a2bb2f5c7 100644
--- a/cabal-install/Distribution/Client/SetupWrapper.hs
+++ b/cabal-install/Distribution/Client/SetupWrapper.hs
@@ -568,7 +568,9 @@ externalSetupMethod verbosity options pkg bt mkargs = do
             , ghcOptObjDir          = Flag setupDir
             , ghcOptHiDir           = Flag setupDir
             , ghcOptSourcePathClear = Flag True
-            , ghcOptSourcePath      = toNubListR [workingDir]
+            , ghcOptSourcePath      = case bt of
+                                      Custom -> toNubListR [workingDir]
+                                      _      -> mempty
             , ghcOptPackageDBs      = usePackageDB options''
             , ghcOptHideAllPackages = Flag newPedanticDeps
             , ghcOptCabal           = Flag newPedanticDeps