[swift-evolution] [DRAFT] Aliasing the OS X Platform Configuration Test

[Erica Sadun]

> On Jun 16, 2016, at 9:55 AM, David Waite <david at alkaline-solutions.com> wrote:
> 
> (repost) 
> 
> Two comments:
> 
> - I’ll specifically call out that I think treating this as an alias rather than a new platform is appropriate - it would be confusing for users if the existing #if os(osx) did not match Sierra.
> 
> - Do you anticipate a separate proposal deprecating #if os(osx) ?
> 
> -DW

I do not anticipate deprecating the OSX test. Swift will and can be deployed to OS X as well as macOS. I've been tossing this around in my head for a few days now and my thoughts are:

* the configuration test should not remain as #if os(OSX) because that's the wrong name
* replacing OSX with macOS places an undue burden on existing code
* aliasing the two may cause issues down the road ("why does this test have two names") but I think developers are smart enough to figure out why both variations exist
* developers can and will still deploy to OS X for Yoze and El Cap

-- Erica

> 
>> On Jun 16, 2016, at 8:29 AM, Erica Sadun via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
>> 
>> Starting in Sierra, Apple's Mac-based OS is renamed to macOS.
>> 
>> All user-facing Swift APIs must go through Swift Evolution. While this is a trivial API change, I have put together a formal proposal as is normal and usual for this process. Here is a draft for public comment.
>> 
>>  -- Erica
>> 
>> Gist:  https://gist.github.com/erica/f53fa6cfef9e5cf17ab139f7528edde2 <https://gist.github.com/erica/f53fa6cfef9e5cf17ab139f7528edde2>
>> 
>> Aliasing the OS X Platform Configuration Test
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