{ stdenv, fetchgit, skalibs }:

let

  version = "2.3.0.0";

in stdenv.mkDerivation rec {

  name = "s6-dns-${version}";

  src = fetchgit {
    url = "git://git.skarnet.org/s6-dns";
    rev = "refs/tags/v${version}";
    sha256 = "1hczdg3dzi9z6f0wicm2qa2239fiax915zp66xspdz6qd23nqrxb";
  };

  outputs = [ "bin" "lib" "dev" "doc" "out" ];

  dontDisableStatic = true;

  enableParallelBuilding = true;

  configureFlags = [
    "--enable-absolute-paths"
    "--libdir=\${lib}/lib"
    "--libexecdir=\${lib}/libexec"
    "--dynlibdir=\${lib}/lib"
    "--bindir=\${bin}/bin"
    "--includedir=\${dev}/include"
    "--with-sysdeps=${skalibs.lib}/lib/skalibs/sysdeps"
    "--with-include=${skalibs.dev}/include"
    "--with-lib=${skalibs.lib}/lib"
    "--with-dynlib=${skalibs.lib}/lib"
  ]
  ++ (if stdenv.isDarwin then [ "--disable-shared" ] else [ "--enable-shared" ])
  ++ (stdenv.lib.optional stdenv.isDarwin "--build=${stdenv.system}");

  postInstall = ''
    mkdir -p $doc/share/doc/s6-dns/
    mv doc $doc/share/doc/s6-dns/html
  '';

  meta = {
    homepage = http://www.skarnet.org/software/s6-dns/;
    description = "A suite of DNS client programs and libraries for Unix systems";
    platforms = stdenv.lib.platforms.all;
    license = stdenv.lib.licenses.isc;
    maintainers = with stdenv.lib.maintainers; [ pmahoney Profpatsch ];
  };

}