{ stdenv , avahi, libjpeg, libusb1, libv4l, net_snmp, libpng , gettext, pkgconfig # List of { src name backend } attibute sets - see installFirmware below: , extraFirmware ? [] # For backwards compatibility with older setups; use extraFirmware instead: , gt68xxFirmware ? null, snapscanFirmware ? null # Passed from versioned package (e.g. default.nix, git.nix): , version, src, ... }: stdenv.mkDerivation { inherit src version; name = "sane-backends-${version}"; outputs = [ "out" "doc" "man" ]; configureFlags = [] ++ stdenv.lib.optional (avahi != null) "--enable-avahi" ++ stdenv.lib.optional (libusb1 != null) "--enable-libusb_1_0" ; buildInputs = [ avahi libusb1 libv4l net_snmp libpng ]; nativeBuildInputs = [ gettext pkgconfig ]; enableParallelBuilding = true; postInstall = let compatFirmware = extraFirmware ++ stdenv.lib.optional (gt68xxFirmware != null) { src = gt68xxFirmware.fw; inherit (gt68xxFirmware) name; backend = "gt68xx"; } ++ stdenv.lib.optional (snapscanFirmware != null) { src = snapscanFirmware; name = "your-firmwarefile.bin"; backend = "snapscan"; }; installFirmware = f: '' mkdir -p $out/share/sane/${f.backend} ln -sv ${f.src} $out/share/sane/${f.backend}/${f.name} ''; in '' mkdir -p $out/etc/udev/rules.d/ ./tools/sane-desc -m udev > $out/etc/udev/rules.d/49-libsane.rules || \ cp tools/udev/libsane.rules $out/etc/udev/rules.d/49-libsane.rules # the created 49-libsane references /bin/sh substituteInPlace $out/etc/udev/rules.d/49-libsane.rules \ --replace "RUN+=\"/bin/sh" "RUN+=\"${stdenv.shell}" substituteInPlace $out/lib/libsane.la \ --replace "-ljpeg" "-L${libjpeg.out}/lib -ljpeg" '' + stdenv.lib.concatStrings (builtins.map installFirmware compatFirmware); meta = with stdenv.lib; { description = "SANE (Scanner Access Now Easy) backends"; longDescription = '' Collection of open-source SANE backends (device drivers). SANE is a universal scanner interface providing standardized access to any raster image scanner hardware: flatbed scanners, hand-held scanners, video- and still-cameras, frame-grabbers, etc. For a list of supported scanners, see http://www.sane-project.org/sane-backends.html. ''; homepage = http://www.sane-project.org/; license = licenses.gpl2Plus; maintainers = with maintainers; [ peti ]; platforms = platforms.linux; }; }