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/misc/twmn/default.nix

@@ -0,0 +1,37 @@
+{ lib, mkDerivation, fetchFromGitHub, qtbase, qtx11extras, qmake, pkg-config, boost }:
+
+mkDerivation {
+  pname = "twmn";
+  version = "unstable-2018-10-01";
+
+  src = fetchFromGitHub {
+    owner = "sboli";
+    repo = "twmn";
+    rev = "80f48834ef1a07087505b82358308ee2374b6dfb";
+    sha256 = "0mpjvp800x07lp9i3hfcc5f4bqj1fj4w3dyr0zwaxc6wqmm0fdqz";
+  };
+
+  nativeBuildInputs = [ pkg-config qmake ];
+  buildInputs = [ qtbase qtx11extras boost ];
+
+  postPatch = ''
+    sed -i s/-Werror// twmnd/twmnd.pro
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p "$out/bin"
+    cp bin/* "$out/bin"
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "A notification system for tiling window managers";
+    homepage = "https://github.com/sboli/twmn";
+    platforms = with lib.platforms; linux;
+    maintainers = [ lib.maintainers.matejc ];
+    license = lib.licenses.lgpl3;
+  };
+}