diff --git a/architecture/sparc/config.hlp b/architecture/sparc/config.hlp
index d99fbca12..fe9108cda 100644
--- a/architecture/sparc/config.hlp
+++ b/architecture/sparc/config.hlp
@@ -26,10 +26,7 @@ ROCKCFG_SPARC_BITS
   with the glibc - and is so _not_ recommended!)
 
 ROCKCFG_SPARC_64BIT_KERNEL
-  This options controls whether to buildt a 64-Bit kernel.
-
-ROCKCFG_MULTILIB
-  Enable installing several versions of the same library.
+  This options controls whether to build a 64-Bit kernel.
 
 ROCKCFG_SPARC_OPT
   Please select the CPU you want to optimise for.
diff --git a/architecture/sparc/config.in b/architecture/sparc/config.in
index 7cda010bb..a6f2b14fd 100644
--- a/architecture/sparc/config.in
+++ b/architecture/sparc/config.in
@@ -25,7 +25,7 @@
 # General architecture switch
 choice ROCKCFG_SPARC_BITS 32 \
 	32	"build 32 bit user-space SPARC (v7 and above)"	\
-	64	"build 64 bit user-space SPARC (v9 - Ultra SPARC)"
+	64	"build 64 bit user-space SPARC (v9 - Ultra SPARC) (EXPERIMENTAL)"
 
 # Some architecture special switches
 if [ "$ROCKCFG_SPARC_BITS" = 32 ] ; then
@@ -33,8 +33,13 @@ if [ "$ROCKCFG_SPARC_BITS" = 32 ] ; then
   # later set multilib here
 fi
 
-# Now the optimisations that result from the options above
+# Enable cross compiler if a 64bit kernel is requested
+if [ "$ROCKCFG_SPARC_64BIT_KERNEL" = 1 ] ; then
+  ROCKCFGSET_PKG_CROSSCC=1
+  ROCKCFGSET_PKG_CROSSCC_ARCH_TARGET="sparc64-unknown-linux-gnu"
+fi 
 
+# Now the optimisations that result from the options above
 if [ "$ROCKCFG_SPARC_BITS" = 64 -o "$ROCKCFG_SPARC_64BIT_KERNEL" = 1 ] ; then
   choice ROCKCFG_SPARC_OPT generic   \
 	generic		"No special optimisation"		\