48 lines
1.6 KiB
CMake
48 lines
1.6 KiB
CMake
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# Finds target dependencies on shared libraries so they can
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# be copied next to the exe.
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#----------------------------------------------------------
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# Finds all target dependencies
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function(get_link_libraries OUTPUT_LIST _TARGET)
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get_target_property(LIBS ${_TARGET} LINK_LIBRARIES)
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list(APPEND VISITED_TARGETS ${TARGET})
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set(LIB_FILES "")
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foreach(LIB ${LIBS})
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if (TARGET ${LIB})
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list(FIND VISITED_TARGETS ${LIB} VISITED)
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if (${VISITED} EQUAL -1)
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get_link_libraries(LINK_LIBS ${LIB})
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list(APPEND LIB_FILES ${LIB} ${LINK_LIBS})
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endif()
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endif()
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endforeach()
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set(VISITED_TARGETS ${VISITED_TARGETS} PARENT_SCOPE)
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set(${OUTPUT_LIST} ${LIB_FILES} PARENT_SCOPE)
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endfunction()
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# Copy dependent shared libraries next to executable target
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function(target_copy_shared_libraries _TARGET)
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get_link_libraries(LINKED_TARGETS ${_TARGET})
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foreach(LINKED_TARGET ${LINKED_TARGETS})
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get_target_property(TARGET_TYPE ${LINKED_TARGET} TYPE)
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if(TARGET_TYPE STREQUAL "SHARED_LIBRARY")
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list(APPEND DLL_TARGETS "$<TARGET_FILE:${LINKED_TARGET}>")
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endif()
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endforeach()
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if(DLL_TARGETS)
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add_custom_command(
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OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${_TARGET}_dll_copy"
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DEPENDS ${DLL_TARGETS}
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COMMAND ${CMAKE_COMMAND} -E copy_if_different ${DLL_TARGETS} "./"
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COMMAND ${CMAKE_COMMAND} -E touch "${CMAKE_CURRENT_BINARY_DIR}/${_TARGET}_dll_copy"
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VERBATIM)
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# This allows to create a dependency with the command above, so command is executed again when target is built AND a DLL changed
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target_sources(${_TARGET} PUBLIC "${CMAKE_CURRENT_BINARY_DIR}/${_TARGET}_dll_copy")
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endif()
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endfunction()
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