{stdenv, fetchurl, saneBackends, libX11, gtk, pkgconfig, libusb ? null}: stdenv.mkDerivation { name = "sane-frontend"; src = fetchurl { url = ftp://ftp.sane-project.org/pub/sane/sane-frontends-1.0.14/sane-frontends-1.0.14.tar.gz; md5 = "c63bf7b0bb5f530cf3c08715db721cd3"; }; preConfigure = '' sed -e '/SANE_CAP_ALWAYS_SETTABLE/d' -i src/gtkglue.c ''; buildInputs = [saneBackends libX11 gtk pkgconfig] ++ (if (libusb != null) then [libusb] else []); }