--- mk/Autoconf.mk.orig	2017-09-28 17:04:13.000000000 +0200
+++ mk/Autoconf.mk	2017-09-28 17:06:00.000000000 +0200
@@ -162,7 +162,7 @@
 	@true
 
 Make.config: $(srcdir)/GNUmakefile
-	@/bin/echo -e "$(make-config-q)" > $@
+	@printf "$(make-config-q)\n" > $@
 	@echo
 	@echo "Make.config written, edit if needed"
 	@echo