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Hi all,
I'm struggling with the problem that CMake 2.8.12 introduced
incompatible changes in the interface of target_link_libraries()
w.r.t. dealing with direct and indirect (transitive) link
dependencies. Pre-2.8.12 you would use the keyword
LINK_INTERFACE_LIBRARIES to indicate indirect link dependencies. CMake
2.8.12 introduced the keywords PRIVATE, INTERFACE and PUBLIC, and
immediately deprecated the LINK_INTERFACE_LIBRARIES keyword,
triggering policy warnings CMP0022 and CMP0023.
What is the proper way to get rid of these policy warnings, while at
the same time staying backward compatible with older CMake versions? I
need to support all 2.8.x versions, but I don't want to set these
policies to OLD. I also don't want to wrap each call to
target_link_libraries() inside a conditional
if (${CMAKE_VERSION} VERSION_LESS 2.8.12)
...
else()
...
endif()
Of course I could put this logic in a macro, but how then do I handle
the new keywords. Some hints or tips would be very much appreciated.
Kind regards,
Marcel Loose.
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