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Re: Using a linker version script

From: Neil Jerram
Subject: Re: Using a linker version script
Date: Fri, 14 Aug 2009 21:59:15 +0100
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux)

address@hidden (Ludovic Courtès) writes:

> It will give us more options on GNU (and possibly Solaris) but not on
> the other platforms.  So that won't affect our policy of not breaking
> the ABI during a stable series.
> On GNU and Solaris, we may be able to reduce the number of applications
> that have to be recompiled when a new major version comes out by:
>   - having per-symbol binary compatibility info, as opposed to Libtool's
>     coarse-grain `-version-info'.
>   - providing older versions of symbols that have changed.
> I see it essentially as an additional "safety net", and something that
> GNU/* distribution maintainers will appreciate.

OK, many thanks for explaining all that.  I'm happy that this is
useful now.

> Section 3.3 of [0] contains a discussion of this.

That paper is so verbose that I find it difficult to read!  But thanks
for the reference anyway; I know where to go now if I want to know
every detail of dynamic linking.


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