Missing realpath on compiler directory; should fix CMS.
Missing realpath on compiler directory; should fix CMS.

(cherry picked from commit 812c8b6dab03b66b9b17d0c180f6da15a8810cd0)

root-mirror/cling,marsupial/cling,karies/cling,karies/cling,root-mirror/cling,root-mirror/cling,karies/cling,root-mirror/cling,root-mirror/cling,marsupial/cling,marsupial/cling,root-mirror/cling,marsupial/cling,karies/cling,karies/cling,marsupial/cling,karies/cling,marsupial/cling