From 59ff4e364dbd8973937c08066254dfdec1130810 Mon Sep 17 00:00:00 2001
From: Daniel Gröber <dxld@darkboxed.org>
Date: Mon, 21 Jan 2019 23:48:46 +0100
Subject: Fix package-envs conflicting with -package flags

---
 src/CabalHelper/Compiletime/Program/GHC.hs | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'src/CabalHelper')

diff --git a/src/CabalHelper/Compiletime/Program/GHC.hs b/src/CabalHelper/Compiletime/Program/GHC.hs
index e21a258..79dd1b3 100644
--- a/src/CabalHelper/Compiletime/Program/GHC.hs
+++ b/src/CabalHelper/Compiletime/Program/GHC.hs
@@ -139,13 +139,16 @@ invokeGhc GhcInvocation {..} = do
         , "-o", giOutput
         ]
       , map ("-optP"++) giCPPOptions
-      , case giPackageSource of
-          GPSAmbient -> []
-          GPSPackageDBs dbs -> map ("-package-conf="++) $ unPackageDbDir <$> dbs
+      , if giHideAllPackages then ["-hide-all-packages"] else []
+      , let packageFlags = concatMap (\p -> ["-package", p]) giPackages in
+        case giPackageSource of
+          GPSAmbient -> packageFlags
+          GPSPackageDBs dbs -> concat
+            [ map ("-package-conf="++) $ unPackageDbDir <$> dbs
+            , packageFlags
+            ]
           GPSPackageEnv env -> [ "-package-env=" ++ unPackageEnvFile env ]
       , map ("-i"++) $ nub $ "" : giIncludeDirs
-      , if giHideAllPackages then ["-hide-all-packages"] else []
-      , concatMap (\p -> ["-package", p]) giPackages
       , giWarningFlags
       , ["--make"]
       , giInputs
-- 
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