anchor.diff:  
   stdenv.mkDerivation rec {
     name     = "ccl-${version}";
  -  version  = "1.11";
  -  revision = "16313";
  +  version  = "1.11.5";
   
  -  src = fetchsvn {
  -    url = "http://svn.clozure.com/publicsvn/openmcl/release/${version}/${cfg.arch}/ccl";
  -    rev = revision;
  +  src = fetchurl {
  +    url = "https://github.com/Clozure/ccl/releases/download/v${version}/ccl-${version}-${cfg.arch}.tar.gz";
       sha256 = cfg.sha256;
  -  };
  -
  -  patches = fetchpatch {
  -    name = "ccl-1.11-glibc-2.26.patch";
  -    url = https://patch-diff.githubusercontent.com/raw/Clozure/ccl/pull/80.patch;
  -    sha256 = "02v6287w0nppfpvkn9dyd5rvq2zkgd47ia9gs17hrww2hgzr6agd";
     };
   
     buildInputs = [ gcc glibc m4 ];
  
positive.code: 
    postPatch = ''
      substituteInPlace lisp-kernel/${CCL_KERNEL}/Makefile \
        --replace "svnversion" "echo ${revision}" \
        --replace "/bin/rm"    "${coreutils}/bin/rm" \
        --replace "/bin/echo"  "${coreutils}/bin/echo"
  
  
negative.code:     };
      armv7l-linux = {
        arch = "linuxarm";
        sha256 = "0p0l1dzsygb6i1xxgbipjpxkn46xhq3jm41a34ga1qqp4x8lkr62";
        runtime = "armcl";
        kernel = "linuxarm";
      };
  