m_res_string = "";
}
const char* err_string;
- ldap_get_option(l,LDAP_OPT_DIAGNOSTIC_MESSAGE,&err_string);
+
+#ifdef LDAP_OPT_DIAGNOSTIC_MESSAGE
+ ldap_get_option(l,LDAP_OPT_DIAGNOSTIC_MESSAGE ,&err_string);
+#else
+ ldap_get_option(l,LDAP_OPT_ERROR_STRING,&err_string);
+#endif
if ( err_string ) {
m_err_string = string(err_string);
} else {