Date: Sun, 19 May 2002 21:27:48 +0200 From: Bernd Walter <ticso@cicely5.cicely.de> To: "J. Mallett" <jmallett@FreeBSD.ORG> Cc: freebsd-current@FreeBSD.ORG Subject: Re: make(1) patch to ReadMakefile() to use realpath(3) Message-ID: <20020519192748.GA64894@cicely5.cicely.de> In-Reply-To: <20020519191739.GB5431@FreeBSD.ORG> References: <20020519100420.GA8356@FreeBSD.ORG> <20020519132159.GI44753@cicely5.cicely.de> <20020519140003.GA19399@FreeBSD.ORG> <20020519153428.GK44753@cicely5.cicely.de> <20020519162710.GA19228@FreeBSD.ORG> <20020519165639.GL44753@cicely5.cicely.de> <20020519172746.GA16770@FreeBSD.ORG> <20020519184728.GN44753@cicely5.cicely.de> <20020519191739.GB5431@FreeBSD.ORG>
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On Sun, May 19, 2002 at 07:17:39PM +0000, J. Mallett wrote:
> On Sun, May 19, 2002 at 08:47:29PM +0200, Bernd Walter wrote:
> >
> > > Look at getcwd_logical() in pwd.c
> >
> > Aha - but that does mean trusting $PWD.
> >
>
> The only thing that can keep track of where we started vs. where we cd to
> is the shell, and so we'd have to trust what it says PWD is.
>
> A possible pseudo-solution would be to give our *build system* (note:
> NOT the make program) a .TOPDIR variable which would be intiailised to
> something sane to begin with, and build relative/logical paths on top
> of it, i.e.
> .TOPDIR + realpath(".") - (realpath(.TOPDIR) - .TOPDIR)
>
> To get the current directory.
>
> But damn that's messy, damn that's a lot of overhead, and I think at that
> point we're really stretching how much can be gained from such things.
We should simply forget my whole point.
I recognised that softlinks doesn't work that way I (and amd) hoped.
--
B.Walter COSMO-Project http://www.cosmo-project.de
ticso@cicely.de Usergroup info@cosmo-project.de
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