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From: "Duncan Barclay" <dmlb@dmlb.org>
To: "Warner Losh" <imp@harmony.village.org>
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References: <20010831131627.A86427@xor.obsecurity.org>  <200108311118.f7VBIO124920@freefall.freebsd.org> <20010831142958.A60910@sunbay.com> <20010831141746.A1809@zerogravity.kawo2.rwth-aachen.d> <20010831084811.B95710@dragon.nuxi.com> <20010831184945.A16872@fump.kawo2.rwth-aachen.de> <20010831100216.A17397@dragon.nuxi.com> <20010831193947.A17086@fump.kawo2.rwth-aachen.de>  <200109030211.f832BCh22404@harmony.village.org>
Subject: Re: cvs commit: src/share/mk sys.mk 
Date: Mon, 3 Sep 2001 11:13:55 +0100
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This can be done in make already but you do need code stuff in a
Makefile.inc to support it:
    http://www.ragnet.demon.co.uk/RM/RM.makefile
This walks up a tree until it finds a toplevel.

----- Original Message -----
From: "Warner Losh" <imp@harmony.village.org>
To: "Kris Kennaway" <kris@obsecurity.org>
Cc: <arch@FreeBSD.ORG>
Sent: Monday, September 03, 2001 3:11 AM
Subject: Re: cvs commit: src/share/mk sys.mk


> Actually, now that I think about this, I think that it would be *EASY*
> to support in make.
>
> .include-up "conf/world.conf"
>
> and make would look in ., .., ../.., etc until it finds
> conf/world.conf.  It would then set some variable so conf/world.conf
> would know where the top of the tree was (which would make things in
> the tree a little easier).
>
> Of course, this also requires changing all Makefiles in the tree, but
> that's easy to do.
>
> Warner
>
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