[weiden] 19628: Document the -ud flag for ROS_RBUILDFLAGS

Document the -ud flag for ROS_RBUILDFLAGS
Modified: trunk/reactos/Makefile
  _____  

Modified: trunk/reactos/Makefile
--- trunk/reactos/Makefile	2005-11-26 10:40:21 UTC (rev 19627)
+++ trunk/reactos/Makefile	2005-11-26 10:53:01 UTC (rev 19628)
@@ -105,6 +105,7 @@

 #            -dm{module}  Check only automatic dependencies for this
module.
 #            -mi          Let make handle creation of install
directories. Rbuild will not generate the directories.
 #            -ps          Generate proxy makefiles in source tree
instead of the output tree.
+#            -ud          Disable compilation units.
 
 # check for versions of make that don't have features we need...
 # the function "eval" is only available in 3.80+, which happens to be
the minimum