Dear experts,
I am trying to introduce OBJECT libraries into our project, http://www.diracprogram.org.<http://www.diracprogram.org> Into local src/functionality1/CMakeLists.txt I changed add_library(main ${local_sources}) to add_library(main OBJECT ${local_sources}) at higher level, in src/CMakeLists.txt I changed add_subdirectory(${PROJECT_SOURCE_DIR}/src/functionality1) set(EXTERNAL_LIBS main ${EXTERNAL_LIBS}) to add_subdirectory(${PROJECT_SOURCE_DIR}/src/functionality1) set(EXTERNAL_LIBS $<TARGET_OBJECTS:main> ${EXTERNAL_LIBS}) and at the highest level of our CMake infrastructure I have linking of all object libraries for given executable(s) : target_link_libraries( ${_executable} ${EXTERNAL_LIBS} ) However, during configuration I am getting repeating error messages of type "CMake Error at cmake/custom/core.cmake:75 (target_link_libraries): Error evaluating generator expression: $<TARGET_OBJECTS:main> The evaluation of the TARGET_OBJECTS generator expression is only suitable for consumption by CMake. It is not suitable for writing out elsewhere. Call Stack (most recent call first): CMakeLists.txt:77 (include)" Any help please how to best arrange OBJECT libraries ? I have cmake version 3.5.0 . Yours, Miro
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