diff -p -up pgpool-II-2.3.3/configure.in.setproctitle~ pgpool-II-2.3.3/configure.in
--- pgpool-II-2.3.3/configure.in.setproctitle~	2010-05-30 05:44:15.000000000 +0200
+++ pgpool-II-2.3.3/configure.in	2010-07-15 18:14:23.810539167 +0200
@@ -61,11 +61,12 @@ AC_CHECK_LIB(gen,      main)
 AC_CHECK_LIB(PW,       main)
 AC_CHECK_LIB(resolv,   main)
 AC_CHECK_LIB(crypt,   main)
+AC_CHECK_LIB(setproctitle,setproctitle)
 
 dnl Checks for header files.
 AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS(fcntl.h unistd.h getopt.h netinet/tcp.h netinet/in.h netdb.h sys/param.h sys/types.h sys/socket.h sys/un.h sys/time.h sys/sem.h sys/shm.h sys/select.h crypt.h sys/pstat.h)
+AC_CHECK_HEADERS(fcntl.h unistd.h getopt.h netinet/tcp.h netinet/in.h netdb.h sys/param.h sys/types.h sys/socket.h sys/un.h sys/time.h sys/sem.h sys/shm.h sys/select.h crypt.h sys/pstat.h setproctitle.h)
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST