configure: group all storage driver checks together

Signed-off-by: NPavel Hrdina <phrdina@redhat.com>

configure.ac

@@ -555,6 +555,10 @@ fi
 AM_CONDITIONAL([WITH_SECRETS], [test "$with_secrets" = "yes"])
 
 
+dnl
+dnl Storage driver checks
+dnl
+
 LIBVIRT_STORAGE_ARG_DIR
 LIBVIRT_STORAGE_ARG_FS
 LIBVIRT_STORAGE_ARG_LVM
@@ -581,25 +585,24 @@ if test "$with_libvirtd" = "no"; then
   with_storage_zfs=no
 fi
 
-LIBVIRT_STORAGE_CHECK_DIR
-
 dnl storage-fs does not work on MacOS X
 
 if test "$with_osx" = "yes"; then
   with_storage_fs=no
 fi
 
+LIBVIRT_STORAGE_CHECK_DIR
 LIBVIRT_STORAGE_CHECK_FS
 LIBVIRT_STORAGE_CHECK_LVM
 LIBVIRT_STORAGE_CHECK_ISCSI
 LIBVIRT_STORAGE_CHECK_SCSI
 LIBVIRT_STORAGE_CHECK_MPATH
+LIBVIRT_STORAGE_CHECK_DISK
 LIBVIRT_STORAGE_CHECK_RBD
 LIBVIRT_STORAGE_CHECK_SHEEPDOG
 LIBVIRT_STORAGE_CHECK_GLUSTER
 LIBVIRT_STORAGE_CHECK_ZFS
 
-
 if test "$with_storage_fs" = "yes" ||
    test "$with_storage_gluster" = "yes"; then
   AC_PATH_PROG([GLUSTER_CLI], [gluster], [], [$LIBVIRT_SBIN_PATH])
@@ -609,8 +612,6 @@ if test "$with_storage_fs" = "yes" ||
   fi
 fi
 
-LIBVIRT_STORAGE_CHECK_DISK
-
 with_storage=no
 for backend in dir fs lvm iscsi scsi mpath rbd disk; do
     if eval test \$with_storage_$backend = yes; then