Warn at configure time about bitmap-later

It's superseded by DAFS and is slated for removal post-1.8.

Change-Id: Id2c870fb76eeb470bbf393e99654df434b1a1a86
Reviewed-on: http://gerrit.openafs.org/11525
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Reviewed-by: D Brashear <shadow@your-file-system.com>

diff --git a/acinclude.m4 b/acinclude.m4
index ab1f78d..ec18088 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -94,7 +94,9 @@ AC_ARG_ENABLE([bitmap-later],
     [AS_HELP_STRING([--enable-bitmap-later],
         [enable fast startup of file server by not reading bitmap till
          needed])],
-    , 
+    [AS_IF([test x"$withval" = xyes],
+        [AC_MSG_WARN([bitmap-later is only used by non-demand-attach
+            fileservers.  Please migrate to demand-attach instead.])])],
     [enable_bitmap_later="no"])
 AC_ARG_ENABLE([unix-sockets],
     [AS_HELP_STRING([--disable-unix-sockets],