Strangely, with fancy_debug disabled, only ppc64 build breaks.
---
kernel.spec | 3 +++
1 file changed, 3 insertions(+)
--- a/kernel.spec 2009-06-08 12:32:07.000000000 -0400
+++ b/kernel.spec 2009-06-08 12:35:34.000000000 -0400
@@ -490,6 +490,9 @@ BuildConflicts: rhbuildsys(DiskFree) < 5
%if 0%{?fedora} >= 8
%define fancy_debuginfo 1
%endif
+%if 0%{?rhel}
+%define fancy_debuginfo 1
+%endif
%endif
%if %{fancy_debuginfo}