From 94d8ab9e5ba7d91a9f56c9bea11ebbcbd5e199fd Mon Sep 17 00:00:00 2001
From: Moritz Angermann <moritz.angermann@gmail.com>
Date: Wed, 8 Nov 2017 15:51:49 +0800
Subject: [PATCH] Provide the cabal configuration with the proper --basedir

This requires haskell/cabal/pull/4874
---
 src/Settings/Builders/GhcCabal.hs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Settings/Builders/GhcCabal.hs b/src/Settings/Builders/GhcCabal.hs
index 7bd53087fe..654b3ec2fa 100644
--- a/src/Settings/Builders/GhcCabal.hs
+++ b/src/Settings/Builders/GhcCabal.hs
@@ -18,6 +18,8 @@ ghcCabalBuilderArgs = mconcat
     path      <- getContextPath
     stage     <- getStage
     mconcat [ arg "configure"
+            , arg "--basedir"
+            , arg =<< pkgPath <$> getPackage
             , arg "--cabal-file"
             , arg =<< fromJust . pkgCabalFile <$> getPackage
             , arg "--distdir"