LINK_DEPENDS

Specifies a semicolon-separated list of full-paths to files on which the link rule for this target depends. The target binary will be linked if any of the named files is newer than it.

This property is ignored by non-Makefile generators. It is intended to specify dependencies on “linker scripts” for custom Makefile link rules.

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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.7/prop_tgt/LINK_DEPENDS.html