[Bug 1536081] Re: libsdl2:i386 isn't installable on 64-bit systems with newer graphics stack

[Vlad Orlov]

Hmm, it should not break with the original stack, otherwise the patch
wouldn't be useful. Just in case, I decided to test it by downgrading
the graphics stack from Xenial to the default one. Installed the
original kernel too (though it shouldn't matter here). Both
libsdl2-2.0-0 and libsdl2-2.0-0:i386 were left installed, as expected.
How did you test it to make something break?

As for -dev packages, isn't it a separate issue that's already present?
I think I've seen this somewhere: someone tries to install -dev:i386 of
some library, but it conflicts with -dev:amd64. I just reproduced it by
trying to install libwayland-dev:i386 - it wants to remove libwayland-
dev:amd64.

I know about new -hwe scheme in Xenial. But this patch isn't meant for
Xenial. It's only for Trusty. But anyway, -hwe packages in Xenial are
currently only for kernel and xorg. I don't see any -hwe packages for
libwayland-egl1-mesa, for example.

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Title:
  libsdl2:i386 isn't installable on 64-bit systems with newer graphics
  stack

Status in libsdl2 package in Ubuntu:
  Fix Released
Status in libsdl2 source package in Trusty:
  Incomplete

Bug description:
  Basically, I need libsdl2:i386 for witcher2, but I can't because when
  I try to install it this happens

  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:

  The following packages have unmet dependencies:
   libsdl2-2.0-0:i386 : Depends: libwayland-egl1-mesa:i386 (>= 10.0.2) or
                                 libwayland-egl1:i386
  E: Unable to correct problems, you have held broken packages

  I am on nvidia drivers, so obviously I cant use mesa.

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