--- a/debian/rules.defs.orig	2017-08-14 14:40:23.000000000 +0200
+++ b/debian/rules.defs		2017-08-14 15:26:42.000000000 +0200
@@ -804,7 +804,7 @@
 ifeq (,$(filter $(distrelease),lenny etch squeeze dapper hardy jaunty karmic lucid maverick natty oneiric))
   go_no_cpus := $(filter-out arm, $(go_no_cpus))
 endif
-go_no_systems := gnu kfreebsd-gnu
+go_no_systems := kfreebsd
 
 ifneq ($(with_base_only),yes)
   ifneq ($(separate_lang),yes)