Just information, the devtoolset4 has been released. GCC version is 5.2.1.
RHEL6/7 user can install both gcc4.9.2(devtoolset3) and gcc5.2.1(devtoolset4). [1] http://developerblog.redhat.com/2015/11/17/gcc-5-developer-toolset-4-generally-available/ Regards. Takahiro On 2016年1月19日火曜日 11時40分58秒 JST Sarajärvi Tony wrote: > > -----Original Message----- > > From: Development [mailto:[email protected]] On > > Behalf Of Takahiro Hashimoto > > Sent: 19. tammikuuta 2016 12:36 > > To: [email protected] > > Cc: Rex Dieter <[email protected]> > > Subject: Re: [Development] qtdeclarative-5.6.0-beta build failure on > > rhel6 > > > > Hi. > > > > Sorry I don't have any info about C++11 code in 5.6 branch. I'd like to > > comment for Simon's question about devltoolset requirement. > > > > According to this thread [1] maybe the binary distribution of Qt 5 > > requires newer(4.7?) libstdc++ than the one which is provided by > > RHEL/CentOS 6.(4.4.7) > > > Yes that and also GCC gets updated when we install devtoolset. > > > > This might lead updating wiki article of building qt5 to add this > > workaround. > > The Red Hat Developer Toolset has been released 4 times for RHEL5/6 > > release > > (1.0 to 3.0) and currently only 3.0 is supported on RHEL6. [2] > > > > I think These are reason why for this requirement. > > And I don't know if the older version of Qt5(5.0,5.1..) could be built > > with gcc 4.4... > > > > By the way, RHEL6 is now at second half of its 10 years support life > > cycle. [3] I think it would be better to start to consider about Qt5 > > support for RHEL7. As RHEL7 has gcc 4.8, the devtoolset is not needed. > > > > > > [1] > > http://forum.qt.io/topic/30140/solved-qt-creator-could-not-find-or-load-> > > > the-qt-platform-plugin-xcb/ > > > > [2] https://access.redhat.com/support/policy/updates/dts > > [3] https://access.redhat.com/support/policy/updates/errata > > > > > > Regards. > > Takahiro > > > > > > On 2016年1月18日月曜日 15時58分09秒 JST Hausmann Simon wrote: > > > > > I'm surprised as well that this slipped through. Looks like MSVC 2010 > > > supports this bit as well. > > > > > > > > > > > > It is true however that we require devtoolset 3 for RHEL 6. Does anyone > > > remember the reason? > > > > > > > > > > > > > > > Simon > > > > > > > > > > > > Original Message > > > > > > From: Olivier Goffart > > > Sent: Monday, January 18, 2016 16:26 > > > To: [email protected] > > > Cc: Rex Dieter > > > Subject: Re: [Development] qtdeclarative-5.6.0-beta build failure on > > > rhel6 > > > > > > > > > > > > On Montag, 18. Januar 2016 08:31:01 CET Rex Dieter wrote: > > > > > > > I'm trying to build(bootstrap) qt-5.6.0-beta stack on rhel6, and have > > > > run > > > > into a build failure in qtdeclarative, > > > > > > > > > > > > <snip> > > > > > > > > > > > > > beta/tools/qmlimportscanner/main.cpp:376: error: no matching function > > > > for > > > > > > call to 'find_if(QList<QFileInfo>::const_iterator, > > > > > > > > > > > > std::find_if is new in C++11 > > > And it was used in https://codereview.qt-project.org/125853/ in the 5.6 > > > which still does not require C++11. > > > > > > > > > > > > Apparently the CI does not try to build this with non-c++11 enabled > > > compilers? > > > > > > > > > > > > -- > > > Olivier > > > > > > > > > > > > Woboq - Qt services and support - https://woboq.com - > > > > https://code.woboq.org > > > > > _______________________________________________ > > > Development mailing list > > > [email protected] > > > http://lists.qt-project.org/mailman/listinfo/development > > > _______________________________________________ > > > Development mailing list > > > [email protected] > > > http://lists.qt-project.org/mailman/listinfo/development > > > > > > > > _______________________________________________ > > Development mailing list > > [email protected] > > http://lists.qt-project.org/mailman/listinfo/development _______________________________________________ Development mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/development
