On Sun, May 15, 2016 at 12:46 AM, Robert Bielik <[email protected]>
wrote:
> Hi all,
>
> I'm using protobuf in our CMake based projects, and I've encountered a
> problem with TARGET_INCLUDE_DIRECTORIES not working as expected. Nominally
> if my target APP depens on libprotobuf, the PUBLIC part
> of TARGET_INCLUDE_DIRECTORIES should propagate to target APP.
>
> This does not work however, and the reason being is the install.cmake file
> in protobuf/cmake. The first section in install.cmake:
>
> foreach(_library
> libprotobuf-lite
> libprotobuf
> libprotoc)
> set_property(TARGET ${_library}
> PROPERTY INTERFACE_INCLUDE_DIRECTORIES
> $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
> install(TARGETS ${_library} EXPORT protobuf-targets
> RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT ${_library}
> LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT ${_library}
> ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT ${_library})
> endforeach()
>
> messes up the TARGET_INCLUDE_DIRECTORIES declarations.
>
> If I comment out include(install.cmake) (row 153 in CMakeLists.txt),
> everything works as expected and the include directory declarations are
> propagated correctly to the dependant targets.
>
> Now, I don't know if this is a Protobuf CMake problem, or a bug in CMake
> itself. I'm leaning towards the latter.
>
Could you create a github issue for this? We are happy to accept a pull
request if you have found a workaround for this problem.
>
> Regards
> /Robert
>
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