Difference between mpbb and local builds

[Joshua Root]

On 3/2/2024 14:08, Link Dupont wrote:
> 
> 
>> On Feb 2, 2024, at 19:04, Joshua Root <jmr at macports.org> wrote:
>>
>> __MAC_OS_X_VERSION_MAX_ALLOWED is from AvailabilityInternal.h, which 
>> as its name suggests is only intended to be used internally (by 
>> Availability.h).
> 
> I’m not sure that’s the intention of the file AvailabilityInternal.h. I 
> certainly suggests a private API, but I wonder if it’s more intended to 
> hide the implementation of Availability.h macros behind a secondary 
> layer of abstraction. Availability.h defines the various OS version 
> integers, then includes AvailabilityInternal.h, and then checks if 
> __<OS_VARIANT>_VERSION_MAX_ALLOWED is defined. I think the 
> __MAC_OS_X_VERSION_MAX_ALLOWED macro is allowed to be used publicly.

Well, the brief comment at the top of the file says:

> Contains:   implementation details of __OSX_AVAILABLE_* macros from <Availability.h>

Interpret that as you will, I guess.

- Josh