Here a diff preventing a build error for wily on amd64: (sorry for T'bird mangling spaces/tabs...)
Mathias Index: Makefile =================================================================== RCS file: /home/cvs/ports/plan9/wily/Makefile,v retrieving revision 1.30 diff -u -p -r1.30 Makefile --- Makefile 12 Dec 2014 19:50:16 -0000 1.30 +++ Makefile 31 Jan 2015 13:55:39 -0000 @@ -1,5 +1,8 @@ # $OpenBSD: Makefile,v 1.30 2014/12/12 19:50:16 naddy Exp $ +# check plan/9libs +ONLY_FOR_ARCHS= i386 sparc sparc64 + COMMENT= clone of the Plan9 editor 'acme' VERSION= 0.13.41
