-AC_MSG_CHECKING([whether to build ldisk based on ext4])
-AC_ARG_ENABLE([ext4],
- AC_HELP_STRING([--enable-ext4],
- [enable building of ldiskfs based on ext4]),
- [LC_KERNEL_WITH_EXT4([enable_ext4='yes'],
- [enable_ext4='no'])],[])
-AC_MSG_RESULT([$enable_ext4])