diff -p -up libproxy-0.2.3/src/lib/Makefile.am~ libproxy-0.2.3/src/lib/Makefile.am
--- libproxy-0.2.3/src/lib/Makefile.am~	2008-06-05 22:56:15.000000000 +0200
+++ libproxy-0.2.3/src/lib/Makefile.am	2009-02-02 23:15:17.000000000 +0100
@@ -2,7 +2,7 @@ lib_LTLIBRARIES     = libproxy.la
 libproxy_la_SOURCES = misc.c url.c pac.c dhcp.c dns.c slp.c wpad.c proxy_factory.c config_file.c \
 						misc.h url.h pac.h dhcp.h dns.h slp.h wpad.h proxy_factory.h proxy.h config_file.h
 libproxy_la_CFLAGS  = -Wall
-libproxy_la_LDFLAGS = -lm
+libproxy_la_LDFLAGS = -lm -ldl
 
 include_HEADERS     = proxy.h