I want install omniORBpy-3.3 on ubuntu server
When I do ./configure it say:

checking for omniORM root ... no
configure: error :You must specify the omniORB root directory

how to specify it ?

when I do find -name omniORB I have:
/usr/share/pyshare/omniORB
/usr/lib/python2.5/site-packages/omniORB
/home/fred/fred-tools/omniORBpy-3.3/python/omniORB

witch ake as root directory ?