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Date: Sun, 15 Sep 2002 10:48:05 -0700
From: Kris Kennaway <kris@obsecurity.org>
To: Jeremy Lea <reg@FreeBSD.org>,
	Maxim Sobolev <sobomax@FreeBSD.org>, cvs-committers@FreeBSD.org,
	cvs-all@FreeBSD.org
Subject: Re: cvs commit: ports/security/openssl Makefile ports/archivers/bzip2 Makefile ports/archivers/unzip Makefile ports/devel/gmake Makefile ports/devel/automake Makefile ports/devel/automake14 Makefile ports/devel/autoconf213 Makefile ports/devel/libtool Makefile ...
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References: <200209141332.g8EDW7Yl048862@freefall.freebsd.org> <20020915125857.GA30691@shale.csir.co.za>
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On Sun, Sep 15, 2002 at 02:58:57PM +0200, Jeremy Lea wrote:

> Probably a better fix is to build a list of directories where we have
> come from in the build and pass this to the sub-makes in the depends
> targets.  Then check to see if we start building in a directory which
> exists in the lists.
>=20
> i.e. something like this:
>=20
> MY_DIR!=3Dpwd
> .if ${_PARENT_DIRS:S/${MY_DIR}//}!=3D${_PARENT_DIRS:S/  / /g}
> .error Recursive build.
> .else
> _PARENT_DIRS+=3D ${MY_DIR}
> .endif
> depends:
> 	make _PARENT_DIRS=3D${_PARENT_DIRS} ...
>=20
> Thoughts?

I like this idea..I've been bitten by circular dependencies in the
ports tree before.  Can you develop it into a patch I can test on the
bento cluster?

Kris

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