CT_CONFIG_VERSION="4" CT_ARCH_ARM=y CT_ARCH_CPU="cortex-a72" CT_ARCH_64=y CT_TARGET_VENDOR="rpi4" CT_KERNEL_LINUX=y CT_BINUTILS_LINKER_LD_GOLD=y CT_BINUTILS_GOLD_THREADS=y CT_BINUTILS_LD_WRAPPER=y CT_BINUTILS_PLUGINS=y CT_CC_LANG_CXX=y CT_DEBUG_GDB=y