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Subject: Re: [boost] NuDB: A fast key/value insert-only database for SSD drives in C++11
From: Peter Dimov (lists_at_[hidden])
Date: 2017-03-27 16:18:25

Vinnie Falco wrote:
> On Mon, Mar 27, 2017 at 11:57 AM, Peter Dimov via Boost
> <boost_at_[hidden]> wrote:
> > The .yml file only installs gcc5, it doesn't ask for it. The default
> > gcc/g++ is still the same (4.6). gcc5 is gcc-5/g++-5. I don't know how
> > this needs to be passed to cmake, presumably by setting CC/CXX?
> I'm totally clueless when it comes to Linux toolchains. But I don't think
> that this should be passed to cmake. Instead, the operating system should
> be configured so that the commands "gcc" and "g++" will use the newer
> version.

You can install may different g++ versions on Travis simultaneously. The
system default is always 4.6. If you install 4.7, 4.8, 4.9, 5 and 6, their
corresponding executables are g++-4.7, g++-4.8, g++-4.9, g++-5 and g++-6.
Same if you install many versions of Clang (the default one is 3.4).

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