{ stdenv, fetchurl, flex, bison , enableStatic ? false }: stdenv.mkDerivation rec { name = "libpcap-1.7.4"; src = fetchurl { url = "http://www.tcpdump.org/release/${name}.tar.gz"; sha256 = "1c28ykkizd7jqgzrfkg7ivqjlqs9p6lygp26bsw2i0z8hwhi3lvs"; }; nativeBuildInputs = [ flex bison ]; # We need to force the autodetection because detection doesn't # work in pure build enviroments. configureFlags = (if stdenv.isLinux then [ "--with-pcap=linux" ] else if stdenv.isDarwin then [ "--with-pcap=bpf" ] else []) ++ stdenv.lib.optional enableStatic "--enable-static"; prePatch = stdenv.lib.optionalString stdenv.isDarwin '' substituteInPlace configure --replace " -arch i386" "" ''; preInstall = ''mkdir -p $out/bin''; crossAttrs = { # Stripping hurts in static libraries dontStrip = true; configureFlags = configureFlags ++ [ "ac_cv_linux_vers=2" ]; }; meta = { homepage = http://www.tcpdump.org; description = "Packet Capture Library"; }; }