{stdenv, fetchurl, openssl}:

stdenv.mkDerivation {
  name = "ncat-0.10rc3";

  src = fetchurl {
    url = mirror://sourceforge/nmap-ncat/ncat-0.10rc3.tar.gz;
    sha256 = "1yb26ipxwhqkfannji90jxi38k35fal4ffx0jm5clr1a1rndjjzb";
  };

  patches = [./ncat-0.10rc3.patch];

  buildInputs = [openssl];

  CFLAGS = "-g";

  postInstall = ''
    install -D ncat $out/bin/ncat
    install -D docs/man/ncat.1 $out/man/ncat.1
  '';

  meta = {
    description = "A netcat implementation with IPv6 support";
  };
}