-AC_CHECK_FUNC(gethostbyname_r, AC_DEFINE([HAVE_GETHOSTBYNAME_R], [], [Looking for gethostbyname_r]))
-AC_OUTPUT(Makefile src/Makefile tests/Makefile docs/Makefile lib/Makefile include/Makefile support/Makefile support/libmemcached.pc support/libmemcached.spec)
+AC_SEARCH_LIBS(getopt_long, gnugetopt)
+AC_SEARCH_LIBS(socket, socket)
+AC_SEARCH_LIBS(gethostbyname, nsl)
+AC_OUTPUT(Makefile clients/Makefile tests/Makefile docs/Makefile libmemcached/Makefile support/Makefile support/libmemcached.pc support/libmemcached.spec)