File project.diff of Package kernel-source

--- kernel-default.spec.orig
+++ kernel-default.spec
@@ -134,6 +134,8 @@ BuildRequires:  flex
 BuildRequires:  gcc-c++
 BuildRequires:  gcc-devel
 %endif
+# XXX
+BuildRequires:  gcc13-override
 BuildRequires:  hmaccalc
 %if 0%{?suse_version} > 1500
 BuildRequires:  jq