diff -u -r ../yuma123_2.13/netconf/src/ncx/Makefile.am ./netconf/src/ncx/Makefile.am
--- ../yuma123_2.13/netconf/src/ncx/Makefile.am	2024-06-10 01:15:28.072053297 +0000
+++ ./netconf/src/ncx/Makefile.am	2022-11-30 17:47:27.000000000 +0000
@@ -70,5 +70,6 @@
 libyumancx_la_CPPFLAGS += -DNETCONFMODULEDIR=\"@netconfmoduledir@\"
 libyumancx_la_CPPFLAGS += -DYUMA_DATAROOTDIR=\"@yuma_datarootdir@\"
 #libyumancx_la_CPPFLAGS += -DSES_DEBUG_TRACE -DSES_DEBUG
+libyumancx_la_LIBADD = -lm
 libyumancx_la_LDFLAGS = -version-info 2:0:0 $(XML_LIBS) $(LIBS) -lrt
