$NetBSD$

Add MirBSD.

--- support/shobj-conf.orig	Wed Oct 28 13:19:57 2009
+++ support/shobj-conf
@@ -197,7 +197,7 @@ darwin*|macosx*)
 	SHLIB_LIBS='-lncurses'	# see if -lcurses works on MacOS X 10.1 
 	;;
 
-openbsd*|netbsd*)
+openbsd*|netbsd*|mirbsd*)
 	SHOBJ_CFLAGS=-fPIC
 	SHOBJ_LD='${CC}'
 	SHOBJ_LDFLAGS='-shared'
