Find out the absolute path to top_builddir before we might starting to recurse down into the subtrees.
Find out the absolute path to top_builddir before we might starting to
recurse down into the subtrees.


git-svn-id: 193148810cf65385f3a195dbc9a8b504846da3a2@21371 ec53bebd-3082-4978-b11e-865c3cabbd6b

madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal