uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/misc/drivers/gutenprint/default.nix

@@ -0,0 +1,53 @@
+# this package was called gimp-print in the past
+{ stdenv, lib, fetchurl, makeWrapper, pkg-config
+, ijs, zlib
+, gimp2Support ? false, gimp
+, cupsSupport ? true, cups, libusb-compat-0_1, perl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "gutenprint";
+  version = "5.3.4";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/gimp-print/gutenprint-${version}.tar.bz2";
+    sha256 = "0s0b14hjwvbxksq7af5v8z9g2rfqv9jdmxd9d81m57f5mh6rad0p";
+  };
+
+  nativeBuildInputs = [ makeWrapper pkg-config ];
+  buildInputs =
+    [ ijs zlib ]
+    ++ lib.optionals gimp2Support [ gimp.gtk gimp ]
+    ++ lib.optionals cupsSupport [ cups libusb-compat-0_1 perl ];
+
+  configureFlags = lib.optionals cupsSupport [
+    "--disable-static-genppd" # should be harmless on NixOS
+  ];
+
+  # FIXME: hacky because we modify generated configure, but I haven't found a better way.
+  # makeFlags doesn't change this everywhere (e.g. in cups-genppdupdate).
+  preConfigure = lib.optionalString cupsSupport ''
+    sed -i \
+      -e "s,cups_conf_datadir=.*,cups_conf_datadir=\"$out/share/cups\",g" \
+      -e "s,cups_conf_serverbin=.*,cups_conf_serverbin=\"$out/lib/cups\",g" \
+      -e "s,cups_conf_serverroot=.*,cups_conf_serverroot=\"$out/etc/cups\",g" \
+      configure
+  '' + lib.optionalString gimp2Support ''
+    sed -i \
+      -e "s,gimp2_plug_indir=.*,gimp2_plug_indir=\"$out/lib/gimp/${gimp.majorVersion}\",g" \
+      configure
+  '';
+
+  enableParallelBuilding = true;
+
+  # Testing is very, very long.
+  # doCheck = true;
+
+  meta = with lib; {
+    description = "Ghostscript and cups printer drivers";
+    homepage = "https://sourceforge.net/projects/gimp-print/";
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    isGutenprint = true;
+  };
+}