gpg-tui: fix build on Darwin

pkgs/tools/security/gpg-tui/default.nix

@@ -1,10 +1,16 @@
 { lib
+, stdenv
 , rustPlatform
 , fetchFromGitHub
 , gpgme
 , libgpgerror
 , libxcb
 , python3
+, AppKit
+, Foundation
+, libiconv
+, libobjc
+, libresolv
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -30,6 +36,12 @@ rustPlatform.buildRustPackage rec {
     gpgme
     libgpgerror
     libxcb
+  ] ++ lib.optionals stdenv.isDarwin [
+    AppKit
+    Foundation
+    libiconv
+    libobjc
+    libresolv
   ];
 
   meta = with lib; {

pkgs/top-level/all-packages.nix

@@ -2786,7 +2786,10 @@ in
       Accelerate CoreGraphics CoreVideo;
   };
 
-  gpg-tui = callPackage ../tools/security/gpg-tui { };
+  gpg-tui = callPackage ../tools/security/gpg-tui {
+    inherit (darwin.apple_sdk.frameworks) AppKit Foundation;
+    inherit (darwin) libobjc libresolv;
+  };
 
   goa = callPackage ../development/tools/goa { };