anchor.diff:      sed 43i'#include <CommonCrypto/CommonCryptor.h>' -i Source/WTF/wtf/RandomDevice.cpp
     '';
   
  +  postFixup = ''
  +    # Cannot be in postInstall, otherwise _multioutDocs hook in preFixup will move right back.
  +    moveToOutput "share/doc" "$devdoc"
  +  '';
  +
     requiredSystemFeatures = [ "big-parallel" ];
   
     meta = with lib; {
  
positive.code:     pkg-config
      python3
      ruby
      glib # for gdbus-codegen
    ] ++ lib.optionals stdenv.isLinux [
      wayland # for wayland-scanner
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "webkitgtk";
    version = "2.37.1";
  
    outputs = [ "out" "dev" "devdoc" ];
  
    separateDebugInfo = stdenv.isLinux;
  
    src = fetchurl {
      url = "https://webkitgtk.org/releases/${pname}-${version}.tar.xz";
      sha256 = "sha256-xTMmsXUfjG2j2y9L+pHBgBdViT4ofQ4fbAc0RYnUpqc=";
    };
  
    patches = lib.optionals stdenv.isLinux [
  