diff -ur globus_core-4.33.orig/config/acsystem.m4 globus_core-4.33/config/acsystem.m4
--- globus_core-4.33.orig/config/acsystem.m4	2007-02-09 09:22:58.000000000 +0100
+++ globus_core-4.33/config/acsystem.m4	2007-05-14 21:58:01.000000000 +0200
@@ -110,6 +110,9 @@
 AC_MSG_CHECKING(for socklen_t)
 AC_TRY_COMPILE([
 #include <sys/types.h>
+AC_CHECK_FUNCS(vsnprintf)
+AC_CHECK_FUNCS(snprintf)
+AC_CHECK_FUNCS(strncasecmp)
 #include <sys/socket.h>
 ],
 [
Only in globus_core-4.33/config: acsystem.m4.orig