Using platforms in 2.8.0

[Joshua Root]

On 2022-11-1 13:31 , Nils Breunese wrote:
> Joshua Root <jmr at macports.org> wrote:
> 
>> On 2022-11-1 11:45 , Nils Breunese wrote:
>>
>>> So when a port installs one pre-built binary on x86_64 and another on arm64, regardless of OS version, setting 'platforms {darwin any}’ would be appropriate and correct?
>>
>> Sure. Unless the x86_64 binary was built targeting 10.5 though, you probably also need to restrict the versions. E.g. if the binary works on 10.12 and later:
>>
>> platforms {darwin any} {darwin >= 16}
> 
> Should that be ‘platforms {darwin >= 16}’? If not, I don’t really understand the syntax above yet.

The {darwin any} is what makes a single binary archive shared between 
all OS versions possible. Without it, separate archives for darwin_16, 
darwin_17, and so on would be built.

Being able to say {darwin any >= 16} might be clearer, but unfortunately 
that isn't accepted currently.

- Josh