Download patch
ref: 4f14409f5630abbb4a96d54e7823da3c7ac08c81 parent: 189f67ae9bd7f3ed5c1a6b7b0460646c3f746c54 author: Russ Cox <rsc@swtch.com> date: Tue Dec 9 02:05:09 EST 2008
add make CONF=pthread for modern systems