choice prompt "Target Architecture Variant" help Specific CPU variant to use config BR2_s390x_z13 bool "z13" config BR2_s390x_z14 bool "z14" config BR2_s390x_z15 bool "z15" endchoice config BR2_ARCH default "s390x" if BR2_s390x config BR2_ENDIAN default "BIG" config BR2_GCC_TARGET_ARCH default "arch11" if BR2_s390x_z13 default "arch12" if BR2_s390x_z14 default "arch13" if BR2_s390x_z15 config BR2_READELF_ARCH_NAME default "IBM S/390" if BR2_s390x