Can I install shared imported library?

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CMake doesn’t allow to install IMPORTED libraries as TARGETS. Use install(FILES) instead.

There are at least 2 reasons for such behavior:

  1. Сitation of one of CMake developer from bug report

    Imported targets were originally designed for importing from an existing installation of some external package so installing did not make sense at the time.

  2. When install normal library, CMake is able to modify it for adjust some properties like RPATH. Such modification is possible because CMake knows how the library has been built. This is a main advantage of installing library as a TARGET.

    But for IMPORTED library CMake has no information about the library’s compilation process, and cannot perform any reasonable modification of it. So, CMake may only install the library file as is: no advantages against simple install(FILES).

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