choice prompt "glibc version" depends on TOOLCHAINOPTS && USE_GLIBC default GLIBC_USE_VERSION_2_22 help Select the version of glibc you wish to use. config GLIBC_USE_VERSION_2_22 bool "glibc 2.22" select GLIBC_VERSION_2_22 config GLIBC_USE_VERSION_2_24 bool "glibc 2.24" select GLIBC_VERSION_2_24 endchoice