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Re: Overriding LN_S

From: Eric Blake
Subject: Re: Overriding LN_S
Date: Tue, 07 Sep 2010 08:47:16 -0600
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On 09/05/2010 03:31 PM, Ralf Wildenhues wrote:
Hi Eric,

* Eric Blake wrote on Thu, Sep 02, 2010 at 10:47:59PM CEST:
On 09/02/2010 02:43 PM, Ralf Wildenhues wrote:

Well, we /should/ fix Autoconf to allow overriding, and at that point,
you should be able to override globally with export LN_S=...
(though I'm not sure if LN_S will be the variable to set, that's not in
the m4sh name space).

Well, it's no different than offering overrides for CC, GREP, and
other tool names outside the m4sh name space.  I think the idea of
allowing a pre-existing $LN_S from the user's environment take
precedence makes total sense.

Sure.  Question is whether $LN_S should override $as_ln_s also?

I think so. In sort, _AS_LN_S_PREPARE should honor an existing LN_S, such that $as_ln_s is then set to either the user's preference, or the best detected option, among all remaining AS_LN_S invocations.

Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library

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