diff --git a/rtems/config/6/rtems-sparc.bset b/rtems/config/6/rtems-sparc.bset
index f0e3016..48d152d 100644
--- a/rtems/config/6/rtems-sparc.bset
+++ b/rtems/config/6/rtems-sparc.bset
@@ -1,4 +1,6 @@
 %define release 1
 %define rtems_arch sparc
 %define with_libgomp
+%define gdb-disable-sim 1
 %include 6/rtems-default.bset
+devel/sis-2-1