$NetBSD$

--- main/Makefile.orig	2011-09-19 20:29:40.000000000 +0000
+++ main/Makefile
@@ -88,6 +88,10 @@ ifeq ($(OSARCH),OpenBSD)
   AST_LIBS+=-lcrypto -lpthread -lm $(EDITLINE_LIB)
 endif
 
+ifeq ($(OSARCH),dragonfly)
+  AST_LIBS+=-lpthread
+endif
+
 ifeq ($(OSARCH),SunOS)
   AST_LIBS+=-lpthread -ldl -lrt -lnsl -lsocket -lresolv -L/opt/ssl/lib -L/usr/local/ssl/lib
   ASTLINK=
