--- a/src/libphobos/configure.tgt
+++ b/src/libphobos/configure.tgt
@@ -61,6 +61,9 @@ case "${target}" in
   s390*-linux*)
 	LIBPHOBOS_SUPPORTED=yes
 	;;
+  sparc64-*-linux*)
+ 	LIBPHOBOS_SUPPORTED=yes
+ 	;;
   x86_64-*-freebsd* | i?86-*-freebsd*)
 	LIBPHOBOS_SUPPORTED=yes
 	;;