$NetBSD$

--- src/hash/sha1_amd64/info.txt.orig	2011-07-08 19:47:40.000000000 +0000
+++ src/hash/sha1_amd64/info.txt
@@ -22,6 +22,7 @@ icc
 # ELF systems
 <os>
 linux
+dragonfly
 netbsd
 openbsd
 solaris
