subdir_depends

Disallowed since version 3.0. See CMake Policy CMP0029.

Does nothing.

subdir_depends(subdir dep1 dep2 ...)

Does not do anything. This command used to help projects order parallel builds correctly. This functionality is now automatic.

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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.15/command/subdir_depends.html