From a51a542d605ba3dc9daa4af25834f529d0dd8c00 Mon Sep 17 00:00:00 2001
From: sternenseemann <0rpkxez4ksa01gb3typccl0i@systemli.org>
Date: Thu, 6 May 2021 18:14:00 +0200
Subject: [PATCH] haskellPackages: fix eval of darwin specific overrides

---
 .../haskell-modules/configuration-nix.nix          | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index 91cfafcb943..e7c8b74afea 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -858,15 +858,15 @@ self: super: builtins.intersectAttrs super {
       '' + (drv.postInstall or "");
     });
 
-  # TODO(@sternenseemann): can we determine this statically in cabal2nix?
-  FractalArt = super.FractalArt.override
-    (lib.optionalAttrs pkgs.stdenv.hostPlatform.isDarwin {
-      objc = pkgs.darwin.libojc;
-    });
+  FractalArt = overrideCabal super.FractalArt (drv: {
+    librarySystemDepends = pkgs.lib.optionals pkgs.stdenv.hostPlatform.isDarwin [
+      pkgs.darwin.libobjc
+    ] ++ (drv.librarySystemDepends or []);
+  });
 
   arbtt = overrideCabal super.arbtt (drv: {
-    librarySystemDepends = lib.optionals pkgs.stdenv.hostPlatform.isDarwin [
+    librarySystemDepends = pkgs.lib.optionals pkgs.stdenv.hostPlatform.isDarwin [
       pkgs.darwin.apple_sdk.frameworks.Foundation
-    ] ++ (drv.librarySystemDepends or [])
+    ] ++ (drv.librarySystemDepends or []);
   });
 }