Trivial update to 0.2.4.18rc, works for me on amd64 and powerpc.
Index: Makefile
===================================================================
RCS file: /home/pascal/cvs/ports/net/tor/Makefile,v
retrieving revision 1.65
diff -u -p -r1.65 Makefile
--- Makefile 12 Sep 2013 21:17:59 -0000 1.65
+++ Makefile 18 Nov 2013 10:12:51 -0000
@@ -2,7 +2,7 @@
COMMENT= anonymity service using onion routing
-DISTNAME= tor-0.2.4.17-rc
+DISTNAME= tor-0.2.4.18-rc
PKGNAME= ${DISTNAME:S/-rc/rc/}
CATEGORIES= net
HOMEPAGE= https://www.torproject.org/
Index: distinfo
===================================================================
RCS file: /home/pascal/cvs/ports/net/tor/distinfo,v
retrieving revision 1.56
diff -u -p -r1.56 distinfo
--- distinfo 11 Sep 2013 15:57:36 -0000 1.56
+++ distinfo 18 Nov 2013 10:16:51 -0000
@@ -1,2 +1,2 @@
-SHA256 (tor-0.2.4.17-rc.tar.gz) = nRQ7lQockg5FW7QfJ3PivuiBjkqBqpsYd9tH1kO5XWU=
-SIZE (tor-0.2.4.17-rc.tar.gz) = 2825527
+SHA256 (tor-0.2.4.18-rc.tar.gz) = 5OZEJ04kwicPY4+8vhyRZ2B+yYMyoc70w9A/QI6zrvU=
+SIZE (tor-0.2.4.18-rc.tar.gz) = 2854762