[Impact]
The bug prevents users from installing libsdl2:i386 on 64-bit systems
with newer graphics stack (in particular, libwayland-egl1-mesa-lts-*
package).
32-bit libsdl2 is usually needed for games or gaming console emulators,
or Wine, or some proprietary software which only comes in 32-bit
packages.
The debdiff which is attached to this report contains the patch which fixes the
problem.
It makes libsdl2 explicitly depend on virtual package libwayland-egl1 which is
provided by libwayland-egl1-mesa and all libwayland-egl1-mesa-lts-* packages.
That allows installing libsdl2:i386 with any graphics stacks available in
Trusty repos.
[Test Case]
Steps to reproduce:
- have 64-bit Trusty installation with some new graphics stack
- install libsdl2-2.0-0
- try to install libsdl2-2.0-0:i386
Expected result:
- libsdl2-2.0-0:i386 is installed successfully
What really happens:
- apt-get shows error message about unmet dependencies:
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
Apparently, apt-get always chooses to install libwayland-egl1-mesa:i386 which
is impossible as libwayland-egl1-mesa-lts-*:amd64 is installed, so
libwayland-egl1-mesa-lts-*:i386 is needed instead.
That's why explicit dependency on libwayland-egl1 (virtual package) is added in
the patch.
[Regression Potential]
I've tested the patch with the graphics stack from Wily before, and now also
tested with Xenial's stack.
It works fine with both.
The patch only adds one new dependency on a virtual package which is already
provided in all graphics stacks.
I don't think there could be a place for regressions there.
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https://bugs.launchpad.net/bugs/1536081
Title:
libsdl2:i386 isn't installable on 64-bit systems with newer graphics
stack
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