CT_OBSOLETE=y CT_ARCH_x86=y CT_ARCH_64=y CT_TARGET_VENDOR="ubuntu16.04" CT_KERNEL_linux=y CT_KERNEL_V_4_4=y # CT_KERNEL_LINUX_INSTALL_CHECK is not set CT_LIBC_GLIBC_V_2_23=y CT_CC_LANG_CXX=y