Re: [ft-devel] LD version script

[Tom Kacvinsky]

We should be careful to notify downstream consumers of FreeType as some Linux vendors

may already do symbol versioning in their implementations of it - any changes we make may

have an effect on what they're doing.

On Wed, Jan 24, 2018 at 7:33 AM, Werner LEMBERG <address@hidden> wrote:

> I've just found out that libtool wraps the --export-symbols file
> into a --Wl,--version- script file, perhaps because of this paper
> <https://www.akkadia.org/drepper/dsohowto.pdf>. That got me reading
> further about version/symbol maps or scripts, which can keep track
> on newly added interfaces. So I generated one for FreeType using
> git, attached.

Interesting, thanks!

> It works and does decorate the shared library with version tags. The
> file skips over FT versions that did not introduce any new
> symbols. so the format might be slightly wrong.
>
> The file is interesting from historical perspective too, but I am
> not sure about actual benefits.  Should we consider it further?

Good question.  I've never seen this before, and I have no idea what
to do with that information...


    Werner

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