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Date: Mon, 24 Oct 2011 17:57:19 +0400
From: Solar Designer <>
Subject: Re: mpc, gmp, mpfr, gcc .specs

On Sat, Oct 22, 2011 at 08:30:07AM +0400, Solar Designer wrote:
> Previously, we carried older libstdc++ binaries to ease upgrades of
> installed Owl systems.  This is needed during installworld (unless we
> put a lot of packages on one installorder line) and also for some
> systems after installworld if local C++ software builds were made on the
> system prior to the upgrade.
> This time, I think we may choose to do something about the installworld
> only - that is, resolve the issue with upgrades of Owl itself, but not
> provide old binary-only libstdc++ for upgraded systems.

I was about to edit installorder.conf to support upgrades, but it turned
out that we got lucky this time: the soname for libstdc++ has not
changed between gcc 3.4.5 and 4.6.1.  I don't know for sure whether
these are actually compatible or not (perhaps they are), but at least
RPM is happy during upgrade with "make installworld" (which currently
upgrades libstdc++ before upgrading other packages that depend on


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