anchor.diff:    patches = [
       # Compatibility with new openjpeg
       (fetchpatch {
  -      name = "mupdf-1.11-openjpeg-2.1.1.patch";
  -      url = "https://git.archlinux.org/svntogit/community.git/plain/trunk/0001-mupdf-openjpeg.patch?h=packages/mupdf&id=3d997e7ff2ac20c44856ede22760ba6fbca81a5c";
  -      sha256 = "1vr12kpzmmfr8pp3scwfhrm5laqwd58xm6vx971c4y8bxy60b2ig";
  +      name = "mupdf-1.11-openjpeg-version.patch";
  +      url = "https://git.archlinux.org/svntogit/community.git/plain/trunk/0001-mupdf-openjpeg.patch?h=packages/mupdf&id=c19349f42838e4dca02e564b97e0a5ab3e1b943f";
  +      sha256 = "0sx7jq84sr8bj6sg2ahg9cdgqz8dh4w6r0ah2yil8vrsznn4la8r";
       })
   
       (fetchurl {
  
positive.code:       sha256 = "04kfww7y0wazg6372g44fa2k5kiiigq4616ihkvmp18rz86903n9";
      })
    ];
  
    makeFlags = [ "prefix=$(out)" ];
    nativeBuildInputs = [ pkgconfig ];
  
negative.code: , enableCurl ? true, curl, openssl
  }:
  
  let
  
    # OpenJPEG version is hardcoded in package source
    openJpegVersion = with stdenv;
      lib.concatStringsSep "." (lib.lists.take 2
        (lib.splitString "." (lib.getVersion openjpeg)));
  
  
  in stdenv.mkDerivation rec {
    version = "1.11";
    name = "mupdf-${version}";
  
  