{ fetchFromGitHub, automake, autoconf, which, libtool, stdenv }:
stdenv.mkDerivation {
  name = "libcoap";
  src = fetchFromGitHub {
    repo = "libcoap";
    owner = "obgm";
    rev = "25863042ae1e95138776f65c772f9fa6ce60495c";
    fetchSubmodules = true;
    sha256 = "1nic584jwkndg0w831h0fnxk0zx0apf2lw5md079m3di7zcxs6bw";
  };
  buildInputs = [
    automake
    autoconf
    which
    libtool
  ];
  preConfigure = ''./autogen.sh'';
  configureFlags = [
    "--disable-documentation"
    "--disable-shared"
  ];
  meta = with stdenv.lib; {
    homepage = https://github.com/obgm/libcoap;
    description = "A CoAP (RFC 7252) implementation in C";
    platforms = platforms.linux;
    license = licenses.bsd2;
    maintainers = [ maintainers.kmein ];
  };
}