From owner-freebsd-current  Sat Jun 22 12:02:21 1996
Return-Path: owner-current
Received: (from root@localhost)
          by freefall.freebsd.org (8.7.5/8.7.3) id MAA01396
          for current-outgoing; Sat, 22 Jun 1996 12:02:21 -0700 (PDT)
Received: from mail.cs.tu-berlin.de (root@mail.cs.tu-berlin.de [130.149.17.13])
          by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id MAA01390
          for <current@freebsd.org>; Sat, 22 Jun 1996 12:02:18 -0700 (PDT)
Received: from campa.panke.de (anonymous231.ppp.cs.tu-berlin.de [130.149.17.231]) by mail.cs.tu-berlin.de (8.6.12/8.6.12) with ESMTP id UAA13690; Sat, 22 Jun 1996 20:58:07 +0200
Received: (from wosch@localhost) by campa.panke.de (8.6.12/8.6.12) id UAA06752; Sat, 22 Jun 1996 20:27:38 +0200
Date: Sat, 22 Jun 1996 20:27:38 +0200
From: Wolfram Schneider <wosch@cs.tu-berlin.de>
Message-Id: <199606221827.UAA06752@campa.panke.de>
To: "Jordan K. Hubbard" <jkh@time.cdrom.com>
Cc: current@freebsd.org
Subject: Re: Wanted: Testers for an alternate to /usr/obj (as we know it). 
In-Reply-To: <28877.835464670@time.cdrom.com>
References: <199606221401.QAA05748@campa.panke.de>
	<28877.835464670@time.cdrom.com>
Reply-to: Wolfram Schneider <wosch@cs.tu-berlin.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit
Sender: owner-current@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

Jordan K. Hubbard writes:
>> this already works with the current bsd.obj.mk ;-))))
>
>Erm, not really..

It allow multiple 'make all', I thought this was the main goal. 


>> # compile for obj-mavic, set CFLAGS or other variables
>> $ env BSDOBJDIR=/tmp/obj MAKEOBJDIR=obj-mavic make -I \
>
>Yeah, I know about BSDOBJDIR (I changed it :-), but it doesn't help me
>make the world.
>Also, I want the obj links *out* of /usr/src altogether since I don't
>want anything ever writing into that hierarchy.

1. I think this confuse many people, I expect many 'where are
   the object files?' questions in the future.
2. We have mount_unions. If it is broken, fix it (remember the
   NFS discussion - we don't change the system if a minor part
   is wrong)
3. A read-only /usr/src is a feature, it should not
   break the current algorithm with obj symlinks
4. Don't change the behavior of MAKEOBJDIR, use a new variable
   (e.g. MAKEOBJROOTDIR) and set .OBJDIR internally to
   $MAKEOBJROOTDIR/${.CURDIR}/$MAKEOBJDIR or $MAKEOBJROOTDIR/${.CURDIR}

Wolfram