patch submitted by anonymous user

extconf.rb

@@ -1,8 +1,15 @@
-# $Id: extconf.rb,v 1.1 2005/08/04 01:16:07 probertm Exp $
+# $Id: extconf.rb,v 1.2 2006/05/26 19:38:50 dbach Exp $
 # Lost ticket pays maximum rate.
 
 require 'mkmf'
 
+# Be sure to say where you rrdtool lives:
+# ruby ./extconf.rb --with-rrd-dir=/usr/local/rrdtool-1.2.12
+libpaths=%w(/lib /usr/lib /usr/local/lib)
+%w(art_lgpl_2 freetype png z).sort.reverse.each do |lib|
+	find_library(lib, nil, *libpaths)
+end
+
 dir_config("rrd")
 have_library("rrd", "rrd_create")
 create_makefile("RRDtool")