--- collectd-4.4.0.orig/configure	2008-05-26 17:54:07.000000000 +0200
+++ collectd-4.4.0/configure	2008-05-26 19:10:23.000000000 +0200
@@ -31551,7 +31551,7 @@
   withval=$with_rrdtool; 	if test "x$withval" != "xno" && test "x$withval" != "xyes"
 	then
 		librrd_cflags="-I$withval/include"
-		librrd_ldflags="-L$withval/lib"
+		librrd_ldflags="-L$withval/lib -lz"
 		with_rrdtool="yes"
 	else
 		with_rrdtool="$withval"