CT_LOCAL_TARBALLS_DIR="${HOME}/src" CT_SAVE_TARBALLS=y CT_PATCH_NONE=y CT_LOG_EXTRA=y CT_ARCH_64=y CT_ARCH_s390=y CT_KERNEL_linux=y CT_BINUTILS_PLUGINS=y CT_LIBC_glibc=y CT_CC_LANG_CXX=y