--- Makefile.orig	2019-08-12 20:25:12 UTC
+++ Makefile
@@ -11,11 +11,13 @@ ifeq ($(OSTYPE),Linux)
 endif
 
 ifeq ($(OSTYPE),FreeBSD)
-	CC=clang
-	CXX=clang++
 	ZT_BUILD_PLATFORM=7
 	include make-bsd.mk
 endif
+ifeq ($(OSTYPE),DragonFly)
+	ZT_BUILD_PLATFORM=8
+	include make-bsd.mk
+endif
 ifeq ($(OSTYPE),OpenBSD)
 	CC=egcc
 	CXX=eg++
