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Re: [Qemu-devel] [QUESTION] SDL 1.2 support

From: Aleksandar Markovic
Subject: Re: [Qemu-devel] [QUESTION] SDL 1.2 support
Date: Tue, 16 Jul 2019 19:09:37 +0200

On Tue, Jul 16, 2019 at 1:54 PM Thomas Huth <address@hidden> wrote:
> On 16/07/2019 13.17, Aleksandar Markovic wrote:
> > Hello, Gerd, Daniel, and others involved.
> >
> > I have multiple reports from end users that say that transition from
> > SDL 1.2 to SDL 2.0 was difficult, or even impossible for their hosts.
> > In that light, they don't appreciate removing SDL 1.2 support from
> > QEMU. The most notable example is Ubutnu 16.04, where it looks there
> > is no way of installing SDL 2.0 that does not involve complete OS
> > upgrade, which, for various reasons, many are not willing to do.
> What's the problem here? According to
> https://packages.ubuntu.com/xenial/libsdl2-2.0-0 the library should be
> available there.

Yes, we, as developers, are good at upgrading, we like flexibility in
our development systems, and naturally want to try latest and greatest
tools and libraries.

However, in QA / build / test environments, the things seem to look
different. Their main concern is stability and repeatibility of their
systems. They don't like updates and upgrades. If a new of library
is available for an OS, this does not mean it will be installed, or it
will be desired to be installed.

It appears that Ubuntu 16.04 came originally with SDL 1.2, and
SDL 2.0 was made available later on.

That is the problem: We make, in my opinion, an incorrect logical
leap here: we assume that if a package is available for an OS, it is
installed (or should be installed) on any instance of an OS.


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