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

To: Dave Brolley <brolley@xxxxxxxxxx>
Subject: Re: Multi-archive Contexts: Some PCP Tools Lost in Time
From: fche@xxxxxxxxxx (Frank Ch. Eigler)
Date: Tue, 16 Feb 2016 14:05:40 -0500
Cc: PCP Mailing List <pcp@xxxxxxxxxxx>
Delivered-to: pcp@xxxxxxxxxxx
In-reply-to: <56C3608E.9090404@xxxxxxxxxx> (Dave Brolley's message of "Tue, 16 Feb 2016 12:46:54 -0500")
References: <56C3608E.9090404@xxxxxxxxxx>
User-agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux)
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.

- FChE

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