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/applications/audio/aumix/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, stdenv
+, fetchurl
+, fetchpatch
+, gettext
+, ncurses
+, gtkGUI ? false
+, pkg-config
+, gtk2
+}:
+
+stdenv.mkDerivation rec {
+  pname = "aumix";
+  version = "2.9.1";
+
+  src = fetchurl {
+    url = "http://www.jpj.net/~trevor/aumix/releases/aumix-${version}.tar.bz2";
+    sha256 = "0a8fwyxnc5qdxff8sl2sfsbnvgh6pkij4yafiln0fxgg6bal7knj";
+  };
+
+  patches = [
+    # Pull Gentoo fix for -fno-common toolchains. Upstream does not
+    # seem to have the contacts
+    (fetchpatch {
+      name = "fno-common.patch";
+      url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/media-sound/aumix/files/aumix-2.9.1-fno-common.patch?id=496c9ec7355f06f6d1d19be780a6981503e6df1f";
+      sha256 = "0qwylhx1hawsmx1pc7ykrjq9phksc73dq9rss6ggq15n3ggnc95y";
+    })
+  ];
+
+  buildInputs = [ gettext ncurses ]
+    ++ lib.optionals gtkGUI [ pkg-config gtk2 ];
+
+  meta = with lib; {
+    description = "Audio mixer for X and the console";
+    longDescription = ''
+      Aumix adjusts an audio mixer from X, the console, a terminal,
+      the command line or a script.
+    '';
+    homepage = "http://www.jpj.net/~trevor/aumix.html";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ ];
+    platforms = platforms.linux;
+  };
+}