Okay?
Index: Makefile
===================================================================
RCS file: /cvs/ports/math/yorick/Makefile,v
retrieving revision 1.21
diff -u -p -r1.21 Makefile
--- Makefile 24 Oct 2010 21:25:51 -0000 1.21
+++ Makefile 13 Nov 2011 15:17:20 -0000
@@ -2,6 +2,8 @@
COMMENT= interpreted language for scientific computing
+NOT_FOR_ARCHS= sh
+
VERSION= 2.1.06
DISTNAME= yorick-${VERSION}
