[swift-dev] Requiring Xcode 7.3 to build Swift master for Apple platforms?

Joe Groff jgroff at apple.com
Tue Mar 29 13:45:38 CDT 2016

> On Mar 29, 2016, at 11:29 AM, Andrew Hyatt <ahyattdev at icloud.com> wrote:
> Agreed. The minimum OS X version for Xcode 7.3 is 10.11.0, which would make El Capitan required to run Swift 3.0.

If Xcode 7.3 requires 10.11, I'd say it's likely that the version of Xcode that includes Swift 3 will need to be hosted on 10.11 as well. You can still use the tools to build binaries targeting back to Mavericks, though.

> - Andrew Hyatt
> ahyattdev at icloud.com
>> On Mar 29, 2016, at 11:23, David Abraham via swift-dev <swift-dev at swift.org> wrote:
>> Would this be a temporary limitation? I'd prefer to see Swift available to any development environment even on Apple Platforms.

Practically, you're dependent on Apple's tools to build anything for Apple platforms already. We don't support any third-party linkers for Darwin.


>> It contributes to the message of openness. 
>> -Dave 
>> Enviado desde mi iPhone
>>> El mar 29, 2016, a las 2:02 PM, Joe Groff via swift-dev <swift-dev at swift.org> escribió:
>>> Xcode 7.3 included a fix for the Apple linker that's necessary to support some of the metadata format changes we're making in Swift 3. I have some workarounds in place that I'd like to remove since they suppress linker coalescing of some constant strings. Would anyone object to us requiring using Xcode 7.3 to develop Swift for OS X and other Apple platforms? If not, we could conditionalize the workarounds behind a flag, though that's additional complexity and testing surface I'd like to avoid.
>>> -Joe
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