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

From: Peter Dimov (pdimov_at_[hidden])
Date: 2023-10-02 15:54:10

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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