++On 23/03/15 23:43, Thiago Macieira wrote: > On Monday 23 March 2015 20:28:10 Nikos Chantziaras wrote: >> There's ABI differences between libstdc++ versions when using C++11, so >> one has to wonder what happens when using C++11 in Qt (which was built >> with the RH dev toolset) and then the resulting application is used on >> vanilla RHEL without the toolset... > > On Linux, that's not a relevant question. We don't expose any of the libstdc++ > ABI in our ABI. All you need is the base C++ core language support to be > working (operator new, typeinfos, etc.).
But even if you don't expose it, don't you still *use* it? Doesn't Qt have a dependency on libstdc++ since it uses it internally (by virtue of consisting of C++ code and being linked by g++)? If Qt is built with -std=g++11 (or -std=c++11), then Qt itself depends on the C++11 ABI of libstdc++ it was built against, I think. That's why I'm asking what happens if you then run the Qt *.so libs on an older libstdc++. _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
