build KDE Frameworks with each Qt version

pkgs/development/libraries/kde-frameworks/extra-cmake-modules/default.nix

@@ -0,0 +1,20 @@
+{ kdeFramework, lib, copyPathsToStore, cmake, pkgconfig, qttools }:
+
+kdeFramework {
+  name = "extra-cmake-modules";
+
+  patches = copyPathsToStore (lib.readPathsFromFile ./. ./series);
+
+  outputs = [ "out" ];  # this package has no runtime components
+  setupHook = ./setup-hook.sh;
+
+  # It is OK to propagate these inputs as long as
+  # extra-cmake-modules is never a propagated input
+  # of some other derivation.
+  propagatedNativeBuildInputs = [ cmake pkgconfig qttools ];
+
+  meta = with lib; {
+    license = licenses.bsd2;
+    maintainers = [ maintainers.ttuegel ];
+  };
+}