AC_CONFIG_SUBDIRS(ldiskfs)
])
+AC_DEFUN([LC_KERNEL_WITH_EXT4],
+[if test -f $LINUX/fs/ext4/ext4.h ; then
+$1
+else
+$2
+fi
+])
+
+#
+# LB_HAVE_EXT4_ENABLED
+#
+AC_DEFUN([LB_HAVE_EXT4_ENABLED],
+[
+if test x$RHEL_KERNEL = xyes; then
+ AC_ARG_ENABLE([ext4],
+ AC_HELP_STRING([--enable-ext4],
+ [enable building of ldiskfs based on ext4]),
+ [],
+ [
+ if test x$ldiskfs_is_ext4 = xyes; then
+ enable_ext4=yes
+ else
+ enable_ext4=no
+ fi
+ ])
+else
+ case $LINUXRELEASE in
+ # ext4 was in 2.6.22-2.6.26 but not stable enough to use
+ 2.6.2[0-6]*) enable_ext4='no' ;;
+ *) LC_KERNEL_WITH_EXT4([enable_ext4='yes'],
+ [enable_ext4='no']) ;;
+ esac
+fi
+if test x$enable_ext4 = xyes; then
+ ac_configure_args="$ac_configure_args --enable-ext4"
+fi
+AC_MSG_CHECKING([whether to build ldiskfs based on ext4])
+AC_MSG_RESULT([$enable_ext4])
+])
+
# Define no libcfs by default.
AC_DEFUN([LB_LIBCFS_DIR],
[
LC_QUOTA
LB_CONFIG_MODULES
-
LN_CONFIG_USERSPACE
+LB_HAVE_EXT4_ENABLED
LB_PATH_DMU
LB_PATH_LIBSYSIO
esac
])
-AC_DEFUN([LC_KERNEL_WITH_EXT4],
-[if test -f $LINUX/fs/ext4/ext4.h ; then
-$1
-else
-$2
-fi
-])
AC_MSG_CHECKING([whether to build kernel modules])
AC_ARG_ENABLE([modules],
LB_DEFINE_LDISKFS_OPTIONS
-AC_MSG_CHECKING([whether to build ldiskfs based on ext4])
-if test x$RHEL_KERNEL = xyes; then
- AC_ARG_ENABLE([ext4],
- AC_HELP_STRING([--enable-ext4],
- [enable building of ldiskfs based on ext4]),
- [], [enable_ext4='no'])
-else
- case $LINUXRELEASE in
- # ext4 was in 2.6.22-2.6.26 but not stable enough to use
- 2.6.2[0-6]*) enable_ext4='no' ;;
- *) LC_KERNEL_WITH_EXT4([enable_ext4='yes'],
- [enable_ext4='no']) ;;
- esac
-fi
-AC_MSG_RESULT([$enable_ext4])
-
if test x$enable_ext4 = xyes ; then
AC_DEFINE(HAVE_EXT4_LDISKFS, 1, [ldiskfs based on ext4])
BACKFS=ext4