menu "Kernel Lib" menuconfig LIB bool "Enable libc APIs from toolchain" default y if LIB config LIB_POSIX bool "Enable POSIX layer for poll/select, stdin etc" default y endif choice prompt "select libc" default LIB_NEWLIB config LIB_NEWLIB bool "use newlib as libc realization." config LIB_MUSLLIB bool "use musllib as libc realization." config LIB_OTHER bool "use other lib" endchoice source "$KERNEL_DIR/lib/libcpp/Kconfig" endmenu