anchor.diff:  , CoreGraphics
   , Cocoa
   , Foundation
  +, libiconv
   
   , dbus
   , libX11
   , xcbutil
   , libxcb
  +, xcbutilimage
   , xcbutilkeysyms
   , xcbutilwm # contains xcb-ewmh among others
   , libxkbcommon
  
positive.code:     libX11
      xcbutil
      libxcb
      xcbutilkeysyms
      xcbutilwm
      libxkbcommon
  
negative.code:     Foundation
      CoreGraphics
      Cocoa
      libiconv
    ];
    pname = "wezterm";
  in
  
  rustPlatform.buildRustPackage {
    inherit pname;
    version = "20210314";
  
    src = fetchFromGitHub {
      owner = "wez";
      repo = pname;
      rev = "20210314-114017-04b7cedd";
      sha256 = "sha256-EwoJLwOgoXtTEBbf/4pM+pCCG8fGkVruHVYh2HivCd0=";
      fetchSubmodules = true;
    };
    cargoSha256 = "sha256-OHbWgnlul9VfbPcMdzbuRJG59+myiukkzmnWohj5v2k=";
  
    nativeBuildInputs = [
      pkg-config
  