--- jack-rack.orig/src/Makefile.am	2013-03-29 10:17:06.647890270 +0100
+++ jack-rack/src/Makefile.am	2013-03-29 10:13:17.683897821 +0100
@@ -57,6 +57,7 @@
 
 LIBS = \
 	-ldl \
+	-lm \
 	$(JACK_LIBS) \
 	$(GTK_LIBS) \
 	$(GNOMEUI_LIBS) \