--- vdumper/Makefile.orig	2016-10-04 16:28:00 UTC
+++ vdumper/Makefile
@@ -7,8 +7,18 @@ install: vtable-dumper
 	mkdir -p $(DESTDIR)$(prefix)/bin/
 	install vtable-dumper $(DESTDIR)$(prefix)/bin/
 
+OS=$(shell uname -s)
+ifeq ($(OS), Linux)
+LIBDL=-ldl
+else  ifeq ($(OS), FreeBSD)
+LIBDL=
+else
+LIBDL=UNKNOWN
+endif
+
 vtable-dumper: dump-vtable.c dump-vtable.h
-	$(CC) $(CFLAGS) $(LDFLAGS) -o vtable-dumper dump-vtable.c -ldl -lelf -lstdc++
+	$(CC) $(CFLAGS) $(LDFLAGS) -o vtable-dumper dump-vtable.c \
+		$(LIBDL) -lelf -lstdc++
 
 uninstall:
 	rm -f $(DESTDIR)$(prefix)/bin/vtable-dumper