$NetBSD$
--- ./Makefile.orig	2016-01-25 15:02:26.000000000 -0800
+++ ./Makefile	2016-01-25 23:03:50.000000000 -0800
@@ -145,7 +145,7 @@
 	@$(CXX) $(BASE_CXXFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(INC) $(INCLUDES) -MM $$< > $$@.d
 	@mv -f $$@.d $$@.d.tmp
 	@sed -e 's|.*:|$$@:|' < $$@.d.tmp > $$@.d
-	@sed -e 's/.*://' -e 's/\\$$$$//' < $$@.d.tmp | fmt -1 | \
+	@sed -e 's/.*://' -e 's/\\$$$$//' < $$@.d.tmp | \
 		sed -e 's/^ *//' -e 's/$$$$/:/' >> $$@.d
 	@rm -f $$@.d.tmp
 endef
