This means that the macOS version specified for deployment is 10.11. It indicates that the application or project is intended to run on macOS El Capitan (version 10.11) or later versions. The MACOSX_DEPLOYMENT_TARGET variable is typically set in Xcode or other build system configuration files to ensure compatibility with the targeted macOS version.
The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.11:
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