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Re: Multi-archive Contexts: Some PCP Tools Lost in Time

To: "Frank Ch. Eigler" <fche@xxxxxxxxxx>
Subject: Re: Multi-archive Contexts: Some PCP Tools Lost in Time
From: Dave Brolley <brolley@xxxxxxxxxx>
Date: Tue, 16 Feb 2016 14:27:36 -0500
Cc: PCP Mailing List <pcp@xxxxxxxxxxx>
Delivered-to: pcp@xxxxxxxxxxx
In-reply-to: <y0mvb5oa323.fsf@xxxxxxxx>
References: <56C3608E.9090404@xxxxxxxxxx> <y0mvb5oa323.fsf@xxxxxxxx>
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On 02/16/2016 02:05 PM, Frank Ch. Eigler wrote:
brolley wrote:

[...]  The problem lies with older versions of these tools
attempting to work with a multi-archive enabled libpcp. [...]
It may not be worth overthinking this particular configuration.  We
can use symbol versioning tricks.

For exmaple, we can disable the problematic time-index-accessing
functions entirely.  Or retain a pmNewContext implementation shim that
rejects multi-archives / directory names but otherwise passes things
through.

The problem is that these tools are not using such functions. They are pawing around in the data structures directly.

Dave

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