From 6b1ec5695f979879ee3bb9a9aad90cc8cfbc140b Mon Sep 17 00:00:00 2001
From: sternenseemann <0rpkxez4ksa01gb3typccl0i@systemli.org>
Date: Thu, 6 May 2021 17:53:13 +0200
Subject: [PATCH] haskellPackages.FractalArt: pass objc on darwin

---
 pkgs/development/haskell-modules/configuration-nix.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index b6bfb78771d..1a2c1d0f60b 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -857,4 +857,10 @@ self: super: builtins.intersectAttrs super {
         install -D man/pnbackup.1 $out/share/man/man1/pnbackup.1
       '' + (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;
+    });
 }