tamatool: fix darwin builds

pkgs/applications/emulators/tamatool/default.nix

@@ -6,7 +6,6 @@
 , libpng
 , SDL2
 , SDL2_image
-, darwin
 
 # Optionally bundle a ROM file
 , rom ? null
@@ -43,8 +42,6 @@ stdenv.mkDerivation (finalAttrs: {
     libpng
     SDL2
     SDL2_image
-  ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
-    darwin.apple_sdk.frameworks.CoreFoundation
   ];
 
   makeFlags = [
@@ -56,6 +53,10 @@ stdenv.mkDerivation (finalAttrs: {
     "CC=${stdenv.cc.targetPrefix}cc"
   ];
 
+  env = lib.optionalAttrs stdenv.hostPlatform.isDarwin {
+    NIX_LDFLAGS = "-framework CoreFoundation";
+  };
+
   desktopItems = [ "linux/tamatool.desktop" ];
 
   installPhase = ''