[Development] Notes on QtCore session @ QCS2016

Sune Vuorela nospam at vuorela.dk
Mon Sep 5 23:33:02 CEST 2016

On 2016-09-05, Giuseppe D'Angelo <giuseppe.dangelo at kdab.com> wrote:
>> * C++ ABI
>>     * libstdc++ still breaking compatibility in std::function
>>     * not now, revisit in a year or two
> There hasn't been time to discuss this at QtCon, but I'd say we should
> not spend another year before revisiting this at the next QtCS: do we
> really care about C++ ABI compatibility? What other C++ libraries are
> doing this? Do users really expect to swap out standard library

one of the problems is that libstdc++ broke the abi between 4.9 and 5.0
for std::function without any compatibility things like for the other
ones, because c++11 was only "experimental" until then.

And I think that std::function is maybe the primary candidate for a
thing we want to use.


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