AC_CHECK_LIB([gssapi_krb5], [gss_init_sec_context])
AC_CHECK_LIB([com_err], [error_message])
AC_CHECK_LIB([jansson], [json_object])
-AC_CHECK_HEADERS(gssapi.h gssapi_ext.h jansson.h)
+AC_CHECK_LIB([crypto], [DH_new])
+AC_CHECK_HEADERS(gssapi.h gssapi_ext.h jansson.h openssl/dh.h openssl/bn.h)
AC_CONFIG_FILES([Makefile gsscon/Makefile])
AC_OUTPUT