--- Makefile.orig	2015-10-02 08:23:57 UTC
+++ Makefile
@@ -45,7 +45,7 @@ MANDIR=		$(PREFIX)/man/man
 
 CFLAGS+=	-Wall -DPREFIX=\"$(PREFIX)\"
 
-.if ($(OPSYS) == "FreeBSD")
+.if ($(OPSYS) == "FreeBSD") || ($(OPSYS) == "DragonFly")
 CFLAGS+=	-DHAVE_MD5
 LDADD=		-lmd
 .elif ($(OPSYS) == "NetBSD") || ($(OPSYS) == "OpenBSD")