On Tue, May 02, 2017 at 09:38:28AM -0400, Steve Matzura wrote: > configure.ac:87: warning: macro 'AM_PATH_MAD' not found in library > configure.ac:89: warning: macro 'AM_PATH_LAME' not found in library MAD and LAME are MP3 decoder/encoder libraries. Perhaps these macros are supposed to come from those projects. Ultimately you may have to ask the people who maintain the thing you're trying to compile.