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/development/libraries/qoauth/default.nix

@@ -0,0 +1,34 @@
+{ lib, stdenv, fetchFromGitHub, qtbase, qmake, qca-qt5 }:
+
+stdenv.mkDerivation rec {
+  pname = "qoauth";
+  version = "2.0.0";
+
+  src = fetchFromGitHub {
+    owner = "ayoy";
+    repo = "qoauth";
+    rev = "v${version}";
+    name = "qoauth-${version}.tar.gz";
+    sha256 = "1b2jdqs526ac635yb2whm049spcsk7almnnr6r5b4yqhq922anw3";
+  };
+
+  postPatch = ''
+    sed -i src/src.pro \
+        -e 's/lib64/lib/g' \
+        -e '/features.path =/ s|$$\[QMAKE_MKSPECS\]|$$NIX_OUTPUT_DEV/mkspecs|'
+  '';
+
+  buildInputs = [ qtbase qca-qt5 ];
+  nativeBuildInputs = [ qmake ];
+
+  NIX_CFLAGS_COMPILE = "-I${qca-qt5}/include/Qca-qt5/QtCrypto";
+  NIX_LDFLAGS = "-lqca-qt5";
+
+  dontWrapQtApps = true;
+
+  meta = with lib; {
+    description = "Qt library for OAuth authentication";
+    inherit (qtbase.meta) platforms;
+    license = licenses.lgpl21;
+  };
+}