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/appstream/qt.nix

@@ -0,0 +1,40 @@
+{ lib, mkDerivation, appstream, qtbase, qttools, nixosTests }:
+
+# TODO: look into using the libraries from the regular appstream derivation as we keep duplicates here
+
+mkDerivation {
+  pname = "appstream-qt";
+  inherit (appstream) version src;
+
+  outputs = [ "out" "dev" "installedTests" ];
+
+  buildInputs = appstream.buildInputs ++ [ appstream qtbase ];
+
+  nativeBuildInputs = appstream.nativeBuildInputs ++ [ qttools ];
+
+  mesonFlags = appstream.mesonFlags ++ [ "-Dqt=true" ];
+
+  patches = (appstream.patches or []) ++ lib.optionals (lib.versionOlder qtbase.version "5.14") [
+    # Fix darwin build for libsForQt5.appstream-qt
+    # Old Qt moc doesn't know about fancy C++14 features
+    # ../qt/component.h:93: Parse error at "UrlTranslate"
+    # Remove both this patch and related comment in default.nix
+    # once Qt 5.14 or later becomes default on darwin
+    ./fix-build-for-qt-olderthan-514.patch
+  ];
+
+  postFixup = ''
+    sed -i "$dev/lib/cmake/AppStreamQt/AppStreamQtConfig.cmake" \
+      -e "/INTERFACE_INCLUDE_DIRECTORIES/ s@\''${PACKAGE_PREFIX_DIR}@$dev@"
+  '';
+
+  passthru = appstream.passthru // {
+    tests = {
+      installed-tests = nixosTests.installed-tests.appstream-qt;
+    };
+  };
+
+  meta = appstream.meta // {
+    description = "Software metadata handling library - Qt";
+ };
+}