On Thu, Jun 18, 2015 at 1:57 AM, Dan Liew <d...@su-root.co.uk> wrote: >> The reason I'm asking this question is because of how I handle unit >> tests in CMake right now. Instead of just defining an executable >> target for the test and then adding a link dependency on the library >> containing the class or set of classes to be tested, I am manually >> pulling in the CPP and H file into the test target and building them >> inline with the test code. This is to support mocking (I can't mock >> objects already compiled into a static library). As such, I need the >> transitive includes and defines, but I do not want the transitive link >> libraries. > > Okay with that context what I suggested isn't going to completely > solve the problem. > > It is actually possible to link with your static library and a mock > implementation by making the symbols that you want mock in the library > weak. Then when you link the linker will choose the strong (the mock) > implementation in preference to the weak implementation. It probably > isn't desirable to have weak symbols in a shipping library just to > make unit testing easier so you could build two versions of the > library (one with weak symbols and one without). > This would allow to use target_link_libraries() but not get link > conflicts between your mock implementation and the real > implementation. > > However Petr's suggestion also sounds good (although I haven't tested it).
Can you explain what you mean by "strong" and "weak" symbols? -- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/cmake
