--- configure.in.orig	2005-12-15 13:37:42.000000000 -0700
+++ configure.in	2009-09-19 02:11:26.000000000 -0600
@@ -538,7 +538,7 @@
 dnl #########################################################################
 
 AC_REPLACE_FUNCS(strdup strcasecmp strncasecmp memrchr)
-AC_CHECK_FUNCS(strtol uname gethostname gettimeofday)
+AC_CHECK_FUNCS(strtol uname gethostname gettimeofday snprintf vsnprintf)
 AC_SEARCH_LIBS(socket, socket)
 
 dnl Conditional check for functions needed in threaded code
