Re: Debian readline/libedit breakage

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От Markus Wanner
Тема Re: Debian readline/libedit breakage
Дата
Msg-id 4D592B0B.70508@bluegap.ch
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Ответ на Re: Debian readline/libedit breakage  (Martin Pitt <mpitt@debian.org>)
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Martin,

On 02/14/2011 02:08 PM, Martin Pitt wrote:
> thanks Markus for CC'ing me, I'm not on -hackers@.

Sure.

> Note that the recent discussions happened on bug 608442, in particular
> 
>   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=608442#30

Thanks for this pointer.

> Markus Wanner [2011-02-14 13:37 +0100]:
>> Personally, I'm a bit suspicious about that solution (technically as
>> well as from a licensing perspective), [...]
> 
> For the record, so am I (see comment 30 in the link above)

That's good to hear.  ;-)

> as it uses
> the very same ld.so in both cases. However, Andreas Barth pointed out
> that with LD_PRELOAD it's guaranteed that we do not "import" any code
> from the libreadline header files, which guarantees that psql doesn't
> become something that can be considered a "derived work".

Hm.. interesting reasoning. But yes, there is something to it.  It's not
really the linking that matters, it seems.

> Technically, this is a bit fragile, of course, as there might be some
> subtle ABI differences which lead to crashes. However, the preloading
> workaround already makes the situation so much better than before, so
> IMHO it's better than the previous status quo.

Absolutely, thanks for taking care.

Regards

Markus Wanner


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