{ perlSupport, pythonSupport, javaSupport , stdenv, fetchurl, perl ? null, python ? null, jdk ? null}: assert perlSupport -> perl != null; assert pythonSupport -> python != null; assert javaSupport -> jdk != null; stdenv.mkDerivation { name = "swig-1.3.29"; builder = ./builder.sh; src = fetchurl { url = http://nix.cs.uu.nl/dist/tarballs/swig-1.3.29.tar.gz; md5 = "44c6f6d8d724cf7fa4a5109e6f63c9b1"; }; inherit perlSupport pythonSupport javaSupport; perl = if perlSupport then perl else null; python = if pythonSupport then python else null; jdk = if javaSupport then jdk else null; }