Require kf6-kguiaddons if compat build

kf5-kguiaddons.spec

@@ -4,7 +4,7 @@
 
 Name:    kf5-%{framework}
 Version: 5.111.0
-Release: 2%{?dist}
+Release: 3%{?dist}
 Summary: KDE Frameworks 5 Tier 1 addon with various classes on top of QtGui
 
 License: GPLv2+ and LGPLv2+
@@ -26,6 +26,10 @@ BuildRequires:  qt5-qtx11extras-devel
 
 Requires:       kf5-filesystem >= %{majmin}
 
+%if %{with kf6_compat}
+Requires:       kf6-%{framework}
+%endif
+
 %description
 KDBusAddons provides convenience classes on top of QtGui.
 
@@ -74,6 +78,9 @@ developing applications that use %{name}.
 
 
 %changelog
+* Mon Oct 16 2023 Alessandro Astone <ales.astone@gmail.com> - 5.111.0-3
+- Require kf6-kguiaddons if compat build
+
 * Thu Oct 12 2023 Alessandro Astone <ales.astone@gmail.com> - 5.111.0-2
 - Add KF6 compatibility flag