--- ./wiretap/Makefile.am.orig	2007-07-24 12:17:53.000000000 +0400
+++ ./wiretap/Makefile.am.orig	2007-07-24 12:18:47.000000000 +0400
@@ -69,8 +69,8 @@ 
 	$(GENERATOR_SOURCES) 	\
 	$(GENERATED_FILES)
 
-libwiretap_la_LIBADD = libwiretap_generated.la
-libwiretap_la_DEPENDENCIES = libwiretap_generated.la
+libwiretap_la_LIBADD = libwiretap_generated.la -lm
+libwiretap_la_DEPENDENCIES = libwiretap_generated.la -lm
 
 ascend-grammar.c : ascend-grammar.y
 	@if [ -z "$(YACC)" ]; then \