case "$base_machine" in
x86_64)
  stubs_biarch_h=sysdeps/x86_64/stubs-biarch.h
  lib_names_awk=sysdeps/x86_64/lib-names.awk
  use_default_syscall_macros=no
  if echo __LP64__ | ${CC-cc} $CFLAGS $CPPFLAGS -E - | grep __LP64__ > /dev/null; then
    machine=x86_64/x32
    data_machine=x32
    libc_cv_slibdir="/libx32"
    if test "$libdir" = '${exec_prefix}/lib'; then
      libdir='${exec_prefix}/libx32';
      # Locale data can be shared.
      libc_cv_localedir='${exec_prefix}/lib/locale'
    fi
  else
    machine=x86_64/64
  fi
esac