--- dialects/n+obsd/Makefile.orig	Tue Feb 17 01:51:59 1998
+++ dialects/n+obsd/Makefile	Thu Apr  2 11:20:07 1998
@@ -12,7 +12,11 @@
 L=/usr/include/local
 P=
 
+.if ${UVM} != ""
+DEBUG=	-O -DUVM
+.else
 DEBUG=	-O
+.endif
 
 CDEF=
 CDEFS=  ${CDEF} ${CFGF}