Change Carthage Swift version

ios swift carthage swift3 xcode8
Nadav96 picture Nadav96 · Jun 16, 2016 · Viewed 16k times · Source

Is it possible to change Carthage Swift version used to build the frameworks?

I'm trying to migrate my project to swift 3 (on Xcode 8 beta), and the third party libraries are the only thing that stops my project from compiling. While using specific branches for swift 3, Carthage throws errors about the new Swift syntax.

Any help will be appreciated!

Answer

bobDevil picture bobDevil · Jun 16, 2016

Carthage uses the command line tool xcodebuild to build the frameworks. The version of Xcode used by the command line system is determined by the value selected by the tool xcode-select

Usage: xcode-select [options]

Print or change the path to the active developer directory. This directory
controls which tools are used for the Xcode command line tools (for example, 
xcodebuild) as well as the BSD development commands (such as cc and make).

Options:
  -h, --help                  print this help message and exit
  -p, --print-path            print the path of the active developer directory
  -s <path>, --switch <path>  set the path for the active developer directory
  --install                   open a dialog for installation of the command line developer tools
  -v, --version               print the xcode-select version
  -r, --reset                 reset to the default command line tools path

It needs to point to the Developer SDK directory, so you can use --print-path to check where it's currently pointing. 

xcode-select --print-path
/Applications/Xcode.app/Contents/Developer

Then to change it just run sudo xcode-select --switch <path-to-beta-xcode>/Contents/Developer

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