{stdenv, fetchurl, libosip, openssl, pkgconfig }: stdenv.mkDerivation rec { version = "3.5.0"; src = fetchurl { url = http://download.savannah.gnu.org/releases/exosip/libeXosip2-3.5.0.tar.gz; sha256 = "1z0s8qxxvyaksnnb9srfi3aipkkb7c1rsxdywl9xyxgnlri0w0a6"; }; name = "libexosip2-${version}"; buildInputs = [ libosip openssl pkgconfig ]; meta = { license = "GPLv2+"; description = "Library that hides the complexity of using the SIP protocol"; }; }