--- Macaulay2-1.3.1-r10737/configure.ac.orig    2010-03-09 09:48:31.000000000 +0000
+++ Macaulay2-1.3.1-r10737/configure.ac 2010-03-09 09:48:40.000000000 +0000
@@ -334,6 +334,7 @@
 AC_CHECK_HEADERS(sys/types.h)
 AC_SEARCH_LIBS(socket,socket)
 AC_SEARCH_LIBS(hstrerror,resolv)
+AC_SEARCH_LIBS(dlopen,dl)
 AC_CHECK_FUNCS([somesillyfunction sys_errlist herror error socket gnu_get_libc_version __environ _environ environ _setmode getaddrinfo hstrerror])
 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,,[#include <linux/personality.h>])
 AC_CHECK_DECLS([sys_errlist,sys_nerr,herror,gnu_get_libc_version])