# lib/Kconfig menu "Libraries" config LIB_LIBC tristate "libc" default m help Build/Add the 'libc' library. config LIB_LIBC_HEADERS bool "libc headers" default n help Add the 'libc' library headers. config LIB_LIBM tristate "libm" default n help Build/Add the 'libm' library. endmenu