Bug#777981: lightdm: ftbfs with GCC-5

[Dmitry Shachnev]

Hi Yves-Alexis,

On Sat, 08 Aug 2015 19:04:21 +0200, Yves-Alexis Perez wrote:
> I somehow missed this bug. I'm a bit unsure what to do with those
> symbols updates. I guess it's related to some libstdc++ change but I'm
> unsure what that really means for me. Should I just update the symbols
> files here? (I'm really not fluent in Qt or C++ so really any help
> appreciated here).

All symbols that are removed in the diff are destructors for Qt classes that
are not part of Qt's own ABI (i.e. declared inline or template instantiations).

These symbols are not exposed to users of your library and can be safely
removed from the symbols file.

You usually only need to worry if the symbols diff contains "__cxx11", in this
case there are no symbols containing this so you are safe.

--
Dmitry Shachnev
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