Version: 2021.3
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BuildOptions.SymlinkSources

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Description

Symlink sources when generating the project. This is useful if you're changing source files inside the generated project and want to bring the changes back into your Unity project or a package.

This option affects sources in both Unity projects and packages.

Only the following platforms support this option:

iOS: When symlinkSources is enabled, Unity creates symlinks for libraries (libil2cpp.a, libiPhone-lib.a, etc.). This means you don't need to copy the libraries. Sources with .mm, .m, .cpp, .c, .h, .swift, and .xib extensions are referenced externally from Xcode project.

Android: When symlinkSources is enabled, Gradle projects references .java and .kt libraries externally rather than copying the source files directly into the project.

Additional resources: BuildPipeline.BuildPlayer, EditorUserBuildSettings.symlinkSources.