Sune Vuorela wrote: > On 2015-02-16, Rex Dieter <[email protected]> wrote: >> * QT_BUILD_KEY handling >> >> Similar to webkit above, the configure bits about QT_BUILD_KEY only >> handles up to gcc-4.x. >> >> For fedora 22, our gcc5 builds are done in a way that is (supposedly) ABI >> compatible to gcc4, so I'm currently using: >> http://pkgs.fedoraproject.org/cgit/qt.git/tree/qt-gcc5_compat_qt_build_key.patch >> to ensure QT_BUILD_KEY matches (ie, it includes the same g++-4 string as >> before). >> >> As far as upstream is concerned, I assume you'd prefer the default here >> to be g++-5 ? > > The build key is used for ABI checks, so I think the 4 should still be > used. e.g. you can build a qt plugin with g++-5 and it should still be > loadable by the qt you buil with g++-4.x > > So I think your current patch is right.
>From my reading of http://developerblog.redhat.com/2015/02/10/gcc-5-in-fedora/ It may depend on the value of _GLIBCXX_USE_CXX11_ABI macro, but I admittedly don't yet fully grasp the implications of it being set either way. -- Rex _______________________________________________ Development mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/development
