Re: [Development] Fwd: Change in qt/qtbase[5.6]: Make the C++11 atomic support the default, if available
On 17/10/15 01:27, Thiago Macieira wrote: > FYI > > Please report any issues you have with broken compilers that did not > implement > std::atomic properly. I'd like to include them in the release notes. > > These are already known to fail, so please don't report them: > - Xcode 5.0's clang compiler says it supports constexpr but doesn't > - ICC on OS X has a broken header that misses some casts > > Those compilers are now blacklisted in C++11 mode. For Qt 5.6, you can pass > the configure option -std=c++98 or -no-c++11 and you'll be able to use them. > They will not be supported in Qt 5.7, so please schedule your upgrade before > the 5.7 release. clang didn't implement std::atomic correctly for a long time (compare [1]), so expect troubles for Xcode versions before 6.3 ... this issue can be worked around in user code, though ... cheers, tim [1] https://llvm.org/bugs/show_bug.cgi?id=18097 ___ Development mailing list Development@qt-project.org http://lists.qt-project.org/mailman/listinfo/development
Re: [Development] Fwd: Change in qt/qtbase[5.6]: Make the C++11 atomic support the default, if available
On Sunday 18 October 2015 00:59:32 Tim Blechmann wrote: > On 17/10/15 01:27, Thiago Macieira wrote: > > FYI > > > > Please report any issues you have with broken compilers that did not > > implement std::atomic properly. I'd like to include them in the release > > notes. > > > > These are already known to fail, so please don't report them: > > - Xcode 5.0's clang compiler says it supports constexpr but doesn't > > - ICC on OS X has a broken header that misses some casts > > > > Those compilers are now blacklisted in C++11 mode. For Qt 5.6, you can > > pass > > the configure option -std=c++98 or -no-c++11 and you'll be able to use > > them. They will not be supported in Qt 5.7, so please schedule your > > upgrade before the 5.7 release. > > clang didn't implement std::atomic correctly for a long time (compare > [1]), so expect troubles for Xcode versions before 6.3 ... this issue > can be worked around in user code, though ... Not a problem for us. We only need integrals. -- Thiago Macieira - thiago.macieira (AT) intel.com Software Architect - Intel Open Source Technology Center ___ Development mailing list Development@qt-project.org http://lists.qt-project.org/mailman/listinfo/development
