anchor.diff:        arch = "x64";
         zuluVersion = "11.48.21";
         jdkVersion = "11.0.11";
  -      sha256 = "0v0n7h7i04pvna41wpdq2k9qiy70sbbqzqzvazfdvgm3gb22asw6";
  +      sha256 =
  +        if enableJavaFX then "18bd9cd66d6abc6f8c627bc70278dc8fd4860e138e1dc9e170eddb89727ccc7b"
  +        else "0v0n7h7i04pvna41wpdq2k9qiy70sbbqzqzvazfdvgm3gb22asw6";
       };
   
       aarch64-darwin = {
         arch = "aarch64";
         zuluVersion = "11.48.21";
         jdkVersion = "11.0.11";
  -      sha256 = "066whglrxx81c95grv2kxdbvyh32728ixhml2v44ildh549n4lhc";
  +      sha256 =
  +      if enableJavaFX then "ef0de2705c6c2d586812f7f3736b70e22b069545b38034816016f9f264ad43f9"
  +      else "066whglrxx81c95grv2kxdbvyh32728ixhml2v44ildh549n4lhc";
       };
     }."${stdenv.hostPlatform.system}";
   
     jce-policies = fetchurl {
       # Ugh, unversioned URLs... I hope this doesn't change often enough to cause pain before we move to a Darwin source build of OpenJDK!
  -    url    = "http://cdn.azul.com/zcek/bin/ZuluJCEPolicies.zip";
  +    url = "http://cdn.azul.com/zcek/bin/ZuluJCEPolicies.zip";
       sha256 = "0nk7m0lgcbsvldq2wbfni2pzq8h818523z912i7v8hdcij5s48c0";
     };
   
  +  javaPackage = if enableJavaFX then "ca-fx-jdk" else "ca-jdk";
  +
     jdk = stdenv.mkDerivation rec {
  -    pname = "zulu${dist.zuluVersion}-ca-jdk";
  +    pname = "zulu${dist.zuluVersion}-${javaPackage}";
       version = dist.jdkVersion;
   
       src = fetchurl {
  -      url = "https://cdn.azul.com/zulu/bin/zulu${dist.zuluVersion}-ca-jdk${dist.jdkVersion}-macosx_${dist.arch}.tar.gz";
  +      url = "https://cdn.azul.com/zulu/bin/zulu${dist.zuluVersion}-${javaPackage}${dist.jdkVersion}-macosx_${dist.arch}.tar.gz";
         inherit (dist) sha256;
         curlOpts = "-H Referer:https://www.azul.com/downloads/zulu/";
       };
  
positive.code: 
      meta = import ./meta.nix lib;
    };
  in jdk
  
negative.code: { lib
  , stdenv
  , fetchurl
  , unzip
  , setJavaClassPath
  , enableJavaFX ? false
  }:
  let
    # Details from https://www.azul.com/downloads/?version=java-11-lts&os=macos&package=jdk
    # Note that the latest build may differ by platform
  