--- tests/rtp/Makefile.in	2014-12-17 15:37:13 UTC
+++ tests/rtp/Makefile.in	
@@ -80,7 +80,7 @@ am__v_lt_ = $(am__v_lt_$(AM_DEFAULT_VERB
 am__v_lt_0 = --silent
 codec_discovery_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \
 	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
-	$(codec_discovery_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) \
+	$(codec_discovery_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -lm \
 	-o $@
 DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
 depcomp = $(SHELL) $(top_srcdir)/depcomp