chances are you don't have cepstral installed which is required to use/compile it. /b On Mar 19, 2010, at 10:03 AM, Aloysius Lloyd wrote: > make[5]: *** [mod_cepstral.lo] Error 1 > make[4]: *** [all] Error 1 > make[3]: *** [mod_cepstral-all] Error 1 > make[2]: *** [all-recursive] Error 1