--- src/Makefile.am~	2010-04-01 01:47:34.000000000 +0400
+++ src/Makefile.am	2014-02-10 17:26:14.285971911 +0400
@@ -86,7 +86,7 @@
     CFLAGS += -DCONFIG_DIR=\"$(configdir)\"
 endif
 
-osmo_LDADD = $(LIBINTL) @GTK_LIBS@ @XML_LIBS@ @GTHREAD_LIBS@
+osmo_LDADD = $(LIBINTL) @GTK_LIBS@ @XML_LIBS@ @GTHREAD_LIBS@ -lm
 
 #if WIN32
 #AM_CFLAGS = \