Re: Using Boost.Test header-only from CMake

From: Alexander Grund (alexander.grund_at_[hidden])
Date: 2021-06-11 07:52:18

Am 11.06.21 um 09:33 schrieb Gavin Lambert via Boost:
> On 11/06/2021 6:55 pm, Alexander Grund wrote:
>> Of course this still allows to build your Boost::foo explicitely as 
>> static or shared in which case the problem is also avoided as then 
>> only one version of it exists anyway.
>
> No, if you choose to build Boost::foo as static and it happens to be 
> used by at least two different consumers (at least one of which is 
> shared) that end up as part of a single final application, that's 
> exactly the problem case that I was talking about.
>
> This is because that can end up with multiple copies of the library in 
> the same application (but in separate binaries), subject to the whims 
> of the platform and linker. 

I meant the case where Boost::foo is ONLY ever build as static. I.e. 
`add_library(Boost::Foo STATIC source.cpp)` as opposed to 
`add_library(Boost::Foo source.cpp)` in CMake terms.

So there is only static Boost::Foo and no shared version EVER.
This would work, wouldn't it?