if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${LIBC_TARGET_OS}) add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${LIBC_TARGET_OS}) endif() add_entrypoint_object( socket ALIAS DEPENDS .${LIBC_TARGET_OS}.socket ) add_entrypoint_object( bind ALIAS DEPENDS .${LIBC_TARGET_OS}.bind )