diff -ur gnomoradio-0.15.1.orig/roboradio/mp3/Makefile.am gnomoradio-0.15.1/roboradio/mp3/Makefile.am
--- gnomoradio-0.15.1.orig/roboradio/mp3/Makefile.am	2004-06-15 08:45:35.000000000 +0300
+++ gnomoradio-0.15.1/roboradio/mp3/Makefile.am	2009-07-18 13:35:08.000000000 +0300
@@ -44,7 +44,7 @@
 	mpg123.h				\
 	tabinit.c				\
 	$(optimized_source)
-libroboradio_mp3_la_LIBADD = -lpthread \
+libroboradio_mp3_la_LIBADD = -lm -lpthread \
 			     $(ROBORADIO_LIBS) \
 			     $(AO_LIBS)