cmake_minimum_required (VERSION 3.0) project (example) if(EXAMPLE_MSGPACK_EMBEDDED) add_subdirectory(msgpack-c) set(msgpack_DIR ${CMAKE_CURRENT_BINARY_DIR}/msgpack-c) endif() find_package(msgpack REQUIRED) add_executable (${PROJECT_NAME} ${CMAKE_CURRENT_LIST_DIR}/../c/simple_c.c) target_link_libraries(${PROJECT_NAME} msgpackc) if(TARGET msgpackc-static) add_executable (${PROJECT_NAME}-static ${CMAKE_CURRENT_LIST_DIR}/../c/simple_c.c) target_link_libraries(${PROJECT_NAME}-static msgpackc-static) endif()