Subject: Re: [boost] Strange libstdc++ versions in travis-ci testers
From: Rene Rivera (grafikrobot_at_[hidden])
Date: 2018-06-29 02:55:42
On Thu, Jun 28, 2018 at 9:11 PM Peter Dimov via Boost <boost_at_[hidden]>
> Rene Rivera wrote:
> > On Thu, Jun 28, 2018 at 4:40 PM Peter Dimov via Boost
> > <boost_at_[hidden]> wrote:
> > > To detect the actual libstdc++ version, you should use the
> > > macro, as it's generally more reliable.
> > Why is it more reliable?
> __GLIBCXX__ is a date, which is not very useful for determining the
Which is what Predef uses. And also uses __GLIBCPP__ as fallback. But, yes
they are dates, as that's the only real indicator of *only* libstdc++ I
There's _GLIBCXX_RELEASE but that's only for 7 and up. Config uses
Hm, hadn't kept up on that. I'll have to add that if available.
> __has_include to detect the version under Clang,
How would __has_include help?
> __GNUC__ under g++.
But that's the g++ version, not the lib version.
I guess I should check the Config code :-)
-- -- Rene Rivera -- Grafik - Don't Assume Anything -- Robot Dreams - http://robot-dreams.net
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