diff --git a/share/mk/bsd.README b/share/mk/bsd.README
index 231eaf92a222..c01e61de79f3 100644
--- a/share/mk/bsd.README
+++ b/share/mk/bsd.README
@@ -1,4 +1,4 @@
-#	$NetBSD: bsd.README,v 1.80 2001/10/13 06:06:55 jmc Exp $
+#	$NetBSD: bsd.README,v 1.81 2001/10/30 15:17:16 wiz Exp $
 #	@(#)bsd.README	8.2 (Berkeley) 4/2/94
 
 This is the README file for the new make "include" files for the BSD
@@ -500,9 +500,15 @@ from bsd.lib.mk and bsd.prog.mk.
 The include file <bsd.inc.mk> defines the includes target and uses two
 variables:
 
-INCS	The list of include files
+INCS		The list of include files
 
-INCSDIR	The location to install the include files.
+INCSDIR		The location to install the include files.
+
+INCSNAME	Target name of the include file, if only one; same as
+		FILESNAME, but for include files.
+
+INCSNAME_<file>	The name file <file> should be installed as, if not <file>,
+		same as FILESNAME_<file>, but for include files.
 
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 
diff --git a/share/mk/bsd.inc.mk b/share/mk/bsd.inc.mk
index cdc19807d21b..96f72b05c275 100644
--- a/share/mk/bsd.inc.mk
+++ b/share/mk/bsd.inc.mk
@@ -1,13 +1,13 @@
-#	$NetBSD: bsd.inc.mk,v 1.17 2001/05/08 03:19:52 sommerfeld Exp $
+#	$NetBSD: bsd.inc.mk,v 1.18 2001/10/30 15:17:17 wiz Exp $
 
 .PHONY:		incinstall
 includes:	${INCS} incinstall
 
 .if defined(INCS)
-incinstall:: ${INCS:@I@${DESTDIR}${INCSDIR}/$I@}
-.PRECIOUS: ${INCS:@I@${DESTDIR}${INCSDIR}/$I@}
+incinstall:: ${INCS:@I@${DESTDIR}${INCSDIR_${I}:U${INCSDIR}}/${INCSNAME_${I}:U${INCSNAME:U${I:T}}}@}
+.PRECIOUS: ${INCS:@I@${DESTDIR}${INCSDIR_${I}:U${INCSDIR}}/${INCSNAME_${I}:U${INCSNAME:U${I:T}}}@}
 .if !defined(UPDATE)
-.PHONY: ${INCS:@I@${DESTDIR}${INCSDIR}/$I@}
+.PHONY: ${INCS:@I@${DESTDIR}${INCSDIR_${I}:U${INCSDIR}}/${INCSNAME_${I}:U${INCSNAME:U${I:T}}}@}
 .endif
 
 __incinstall: .USE
@@ -19,7 +19,7 @@ __incinstall: .USE
 		 -g ${BINGRP} -m ${NONBINMODE} ${.ALLSRC} ${.TARGET})
 
 .for I in ${INCS:O:u}
-${DESTDIR}${INCSDIR}/$I: $I __incinstall
+${DESTDIR}${INCSDIR_${I}:U${INCSDIR}}/${INCSNAME_${I}:U${INCSNAME:U${I:T}}}: ${I} __incinstall
 .endfor
 .endif