[swift-dev] Developing Swift in Xcode

Greg Parker gparker at apple.com
Wed Mar 16 20:08:03 CDT 2016

> On Mar 16, 2016, at 1:54 PM, Kenny Leung via swift-dev <swift-dev at swift.org> wrote:
> This is working for me now using
>    utils/build-script -x — —reconfigure
> It takes over an hour to build because it doesn’t seem to be as parallel as the ninja build (less than 3x parallel vs 8x parallel).
> The resulting project doesn’t work in Xcode 7.2.1, but works fine in Xcode 7.3 beta. I can just go cmd-R and it runs! Thanks for the pointers!
> There are about a million warnings about losing integer precision. Are these expected?

That's probably a warning that is enabled by default in new Xcode projects but is not enabled in our other builds. (Starter project suggestion: pick a compiler warning, turn it on, and fix the problems.)

Greg Parker     gparker at apple.com     Runtime Wrangler

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