anchor.diff:  # Build Open Dylan from source using the binary builds to bootstrap.
  -{stdenv, fetchgit, patchelf, boehmgc, mps, gnused, opendylan-bootstrap, autoconf, automake, perl, makeWrapper, gcc }:
  +{stdenv, fetchgit, boehmgc, mps, gnused, opendylan-bootstrap, autoconf, automake, perl, makeWrapper, gcc }:
   
   stdenv.mkDerivation {
     name = "opendylan-2013.2";
  
positive.code:     ./autogen.sh
    '';
  
    configureFlags = if stdenv.system == "i686-linux" then "--with-mps=$(TMPDIR)/mps" else "--with-gc=${boehmgc.dev}";
    buildPhase = "make 3-stage-bootstrap";
  
    postInstall = "wrapProgram $out/bin/dylan-compiler --suffix PATH : ${gcc}/bin";
  
negative.code:     homepage = http://opendylan.org;
      description = "A multi-paradigm functional and object-oriented programming language";
      license = stdenv.lib.licenses.mit;
      platforms = stdenv.lib.platforms.linux;
    };
  }
  