It compiles fine and mulaw and speex are enabled but I cannot get ILBC to be enabled. I have the correct ILBC package and the dev package. Thanks for any help.
I guess you are trying to compile either Kopete 0.12 or Kopete from svn.
As far as I remember, support for iLBC has been disabled some time ago, as there have been errors during compilation. But I don't know for sure. Perhaps you can find some more information at http://bugs.kde.org