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Appium-multiple-xcode-versions

Running Appium with multiple Xcode versions installed

If you have multiple Xcode installations you may choose which toolset Appium
should use with one of two ways:

xcode-select tool

Only available with sudo privileges, affects the whole system.

Assuming you want to choose /Applications/Xcode7.app:

  1. Set default Xcode.
sudo xcode-select -s /Applications/Xcode7.app/Contents/Developer
  1. Run Appium (from command line or with GUI).
appium

Environment variable

No privileges needed, affects only the current shell, so Appium should be started
within that shell.

Assuming you want to choose /Applications/Xcode9.app:

  1. Set DEVELOPER_DIR environment variable.
export DEVELOPER_DIR=/Applications/Xcode9.app/Contents/Developer
  1. Run Appium from the same shell.
appium

官方链接为:http://appium.io/docs/en/advanced-concepts/multiple-xcode-versions