* common.jam (get-invocation-command): When

   we cannot find a specified tool, return
   tool's name so that the command line looks sane,
   even if it does not work.
   (handle-options): Report which command will
   be used, in debug mode.


[SVN r40008]

tools/build

@@ -1 +1 @@
-Subproject commit 04039bac46db85d6df0ddc77ea90654b261e73c1
+Subproject commit 86e98a42e7f7a8af7ed42552cd9d05f5b3fe8558