Re: [boost] CMake, modular Boost, and other stories

Subject: Re: [boost] CMake, modular Boost, and other stories
From: Glen Fernandes (glen.fernandes_at_[hidden])
Date: 2019-04-23 19:13:35

On Tue, Apr 23, 2019 at 12:41 PM Peter Dimov  wrote:
> Brad King (from Kitware, who should know) argues that installing separate
> configuration files for all the libraries is wrong. He says that the
> preferred practice is to only support the second use, with Boost as the
> package, and the libraries as components, not accessible as packages on
> their own. (The discussion is here:
> https://gitlab.kitware.com/cmake/cmake/issues/19186)
>[...]
> I'm having second thoughts though. It looks to me that Brad is right, and
> that the various library configuration files should be implementation
> details of a single Boost package (in the CMake sense) and not be
> user-visible. That is, only support
>
>     find_package(Boost COMPONENTS filesystem)
>
> and drop
>
>     find_package(boost_filesystem)

I'm in favor of this.

> the various library configuration files should be implementation details of a single Boost package

Do they need to live in the library, or is more idiomatic for these
too to reside within (and be maintained as part of) a separate
sub-module repository that also houses the one CMakeLists.txt?

Glen