Re: PSA: C++11 libraries need to update their libraries.json and CMakeLists.txt

From: Zach Laine (whatwasthataddress_at_[hidden])
Date: 2023-10-02 15:57:54

I'm just curious why these three libraries are needing a change to
their libraries.json files.  Was it just an oversight that should have
been done along with a code change, or was there some other reason?

Zach

On Mon, Oct 2, 2023 at 10:54 AM Peter Dimov via Boost
<boost_at_[hidden]> wrote:
>
> Zach Laine wrote:
> > Could you clarify why this is happening for these libs in particular?
> > Not a complaint; just curious.
>
> Sorry, why what is happening?
>
> >
> > Zach
> >
> > On Sun, Oct 1, 2023 at 7:21 AM Peter Dimov via Boost
> > <boost_at_[hidden]> wrote:
> > >
> > > Libraries that now require C++11, such as Atomic, TypeIndex, LexicalCast,
> > > need to update their libraries.json files to now state "cxxstd": 11, and
> > > to add the C++11 requirement to their CMakeLists.txt files, e.g.
> > >
> > > target_compile_features(boost_lexical_cast INTERFACE cxx_std_11)
> > >
> > > boostdep --cmake looks at libraries.json and automatically adds the
> > > above requirement, so for generated CMakeLists.txt files (such as the
> > > one in lexical_cast), a simple regeneration with e.g.
> > > `boostdep --cmake lexical_cast` will suffice.
> > >
> > > Note that cxx_std_11 requires CMake 3.8, so the
> > > cmake_minimum_required line may need to be adjusted as well.
> > >
> > > (`boostdep --cmake` does that automatically.)
> > >
> > >
> > >
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