--- debian/rules.defs.orig	2012-03-27 19:21:44.000000000 +0200
+++ debian/rules.defs	2012-03-28 08:18:17.000000000 +0200
@@ -391,7 +391,7 @@
 ifndef DEB_STAGE
 # Ada --------------------
 ada_no_cpus	:= m32r m68k sh3 sh3eb sh4 sh4eb
-ada_no_systems	:= gnu knetbsd-gnu
+ada_no_systems	:=
 ada_no_cross	:= yes
 ada_no_snap	:= no
 ifneq (,$(filter $(DEB_TARGET_ARCH),armhf m68k powerpcspe sh4 sparc64))