add_library(picoboot_connection_header INTERFACE) target_include_directories(picoboot_connection_header INTERFACE ${CMAKE_CURRENT_LIST_DIR}) add_library(picoboot_connection INTERFACE) target_sources(picoboot_connection INTERFACE ${CMAKE_CURRENT_LIST_DIR}/picoboot_connection.c) target_link_libraries(picoboot_connection INTERFACE picoboot_connection_header) add_library(picoboot_connection_cxx INTERFACE) target_sources(picoboot_connection_cxx INTERFACE ${CMAKE_CURRENT_LIST_DIR}/picoboot_connection_cxx.cpp) target_link_libraries(picoboot_connection_cxx INTERFACE picoboot_connection)