{ lib, stdenv, fetchFromGitHub, pkg-config , openssl ? null, libpcap ? null }: with lib; stdenv.mkDerivation rec { pname = "libsrtp"; version = "2.3.0"; src = fetchFromGitHub { owner = "cisco"; repo = "libsrtp"; rev = "v${version}"; sha256 = "1f7i3jdh1wzdv7zjlz7gs3xw5jqig9zw8z9awsqqcp54f94xdpvd"; }; outputs = [ "out" "dev" ]; nativeBuildInputs = [ pkg-config ]; # libsrtp.pc references -lcrypto -lpcap without -L propagatedBuildInputs = [ openssl libpcap ]; configureFlags = [ "--disable-debug" ] ++ optional (openssl != null) "--enable-openssl"; buildFlags = [ "shared_library" ]; postInstall = '' rm -rf $out/bin ''; meta = { homepage = "https://github.com/cisco/libsrtp"; description = "Secure RTP (SRTP) Reference Implementation"; license = licenses.bsd3; platforms = platforms.all; }; }