From owner-freebsd-current  Thu Oct  2 23:39:54 1997
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Date: Thu, 2 Oct 1997 23:39:49 -0700 (PDT)
Message-Id: <199710030639.XAA12795@silvia.HIP.Berkeley.EDU>
To: current@freebsd.org
Subject: cleanworld
From: asami@cs.berkeley.edu (Satoshi Asami)
Sender: owner-freebsd-current@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

Seems a lot of people are unable to understand the immutable flag bit, 
how about this?

Satoshi

P.S. This patch is relative to the 2.2 branch.
-------
Index: Makefile
===================================================================
RCS file: /usr/cvs/src/Makefile,v
retrieving revision 1.109.2.19
diff -u -r1.109.2.19 Makefile
--- Makefile	1997/09/28 16:33:05	1.109.2.19
+++ Makefile	1997/10/03 06:38:59
@@ -23,6 +23,7 @@
 # The intended user-driven targets are:
 # buildworld  - rebuild *everything*, including glue to help do upgrades
 # installworld- install everything built by "buildworld"
+# cleanworld  - remove the temporary build tree for "buildworld"
 # world       - buildworld + installworld
 # update      - convenient way to update your source tree (eg: sup/cvs)
 # most        - build user commands, no libraries or include files
@@ -194,6 +195,17 @@
 IXMAKE=	${XMAKEENV} ${WORLDTMP}/usr/bin/${MAKE}
 
 #
+# cleanworld
+#
+# Deletes the temporary build tree.
+#
+cleanworld:
+.if exists(${WORLDTMP})
+	chflags -R noschg ${WORLDTMP}/
+	rm -rf ${WORLDTMP}
+.endif
+
+#
 # buildworld
 #
 # Attempt to rebuild the entire system, with reasonable chance of
@@ -205,9 +217,7 @@
 	@echo "--------------------------------------------------------------"
 	@echo " Cleaning up the temporary build tree"
 	@echo "--------------------------------------------------------------"
-	mkdir -p ${WORLDTMP}
-	chflags -R noschg ${WORLDTMP}/
-	rm -rf ${WORLDTMP}
+	cd ${.CURDIR} && ${MAKE} cleanworld
 .endif
 	@echo
 	@echo "--------------------------------------------------------------"