Short bl3 fragment to provide a NROFF (base system or textproc/groff

package, based on whether /usr/bin/nroff is available).

mk/nroff.buildlink3.mk

@@ -0,0 +1,17 @@
+# $NetBSD: nroff.buildlink3.mk,v 1.1 2005/03/15 04:45:50 tv Exp $
+#
+# This fragment provides a NROFF macro, and includes a dependency
+# on textproc/groff if needed.  This does not depend on the OS providing
+# groff; if any system-supplied nroff is available, it is accepted.
+#
+
+.include "../../mk/bsd.prefs.mk"
+
+.if !defined(NROFF)
+.  if exists(/usr/bin/nroff)
+NROFF?=			/usr/bin/nroff
+.  else
+.    include "../../textproc/groff/buildlink3.mk"
+NROFF?=			${BUILDLINK_PREFIX.groff}/bin/nroff
+.  endif
+.endif