PUBLIC_HEADER

Specify public header files in a FRAMEWORK shared library target.

Shared library targets marked with the FRAMEWORK property generate frameworks on OS X, iOS and normal shared libraries on other platforms. This property may be set to a list of header files to be placed in the Headers directory inside the framework folder. On non-Apple platforms these headers may be installed using the PUBLIC_HEADER option to the install(TARGETS) command.

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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.5/prop_tgt/PUBLIC_HEADER.html