--- Makefile.in.orig	Sat Jun 11 06:59:10 2011
+++ Makefile.in	Tue Feb 28 21:13:51 2017
@@ -103,7 +103,7 @@ $(DEPEND):
 	@-rm -f $(DEPEND)
 	@echo "Generating dependencies... "
 	@echo > $(DEPEND)
-	@$(CXX) $(CFLAGS) -MM \
+	@$(CC) $(CFLAGS) -MM \
 		`echo $(RAWOBJS) $(GTKOBJS) $(CUROBJS) $(NETOBJS) \
 		| sed -e "s/\.o/\.c/g"` >> $(DEPEND)