chrony: add missing build flag

This is a backport of 211bd4843.

diff --git a/src/Makefile.am b/src/Makefile.am
index 37160c1..eb55de3 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -249,6 +249,7 @@ if BUILD_PLUGIN_CHRONY
 pkglib_LTLIBRARIES += chrony.la
 chrony_la_SOURCES = chrony.c
 chrony_la_LDFLAGS = $(PLUGIN_LDFLAGS)
+chrony_la_LIBADD = -lm
 endif
 
 if BUILD_PLUGIN_CONNTRACK