Add option to specify swift version (!899) · Merge requests · Meta / buck

Closed Administrator requested to merge github/fork/nguyentruongtho/tho/swift_version_new into master Sep 24, 2016

Created by: nguyentruongtho

After upgrading to Xcode8, the default swift compiler will be 3.0. This PR will allow buck to specify swift version to be used by adding following setting to the buck config file:

[swift]
  version = 2.3

Extracted from https://github.com/facebook/buck/pull/893