This is a known limitation of the current design. Only directly linked object library objects are propagated.
For more details on why see: https://gitlab.kitware.com/cmake/cmake/issues/18090 On Wed, May 22, 2019 at 1:48 AM Richard Szabo <sz.rich...@gmail.com> wrote: > > Hi cmakers > > I'm trying to get the following example working: > ``` > cmake_minimum_required(VERSION 3.14) > project(test_object_lib_nesting) > > set(CMAKE_CXX_STANDARD 14) > > add_library(first_object_lib OBJECT first.cpp) > > add_library(second_object_lib OBJECT second.cpp) > > target_link_libraries(second_object_lib first_object_lib) > > add_executable(test_object_lib_nesting main.cpp) > > target_link_libraries(test_object_lib_nesting second_object_lib) > ``` > > The problem I have that the linker command line will have only the > second.cpp.o for linking the first.cpp.o will not be added as link > object to the exe. Causing missing symbols on exe linkage. > > How to transitively resolve and link "nested" Object library targets ?. > -- > > 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: > https://cmake.org/mailman/listinfo/cmake -- 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: https://cmake.org/mailman/listinfo/cmake