fake:

package/base/linux24-header/linux24-header.conf

@@ -41,7 +41,7 @@ main_lx_header() {
 	else
 	  # we can only generate this files when we have a cross compiler
 	  # which is stage 1 and above ...
-	  if [ $stagelevel -gt  0 ] ; then 
+	  if [ $stagelevel -gt  0 -a $treever != 26 ] ; then 
 		# build two generated headers first ...
 		make ARCH=sparc CROSS_COMPILE=$archprefix KCC=$KCC \
 		  arch/sparc/kernel/Makefile check_asm