break;
case 'b': /* backtrace; called %throwable in LOG4J */
case 'B': /* short backtrace; called %throwable{short} in LOG4J */
-#if HAVE_EXECINFO_H && HAVE_POPEN && defined(ADDR2LINE)
+#if HAVE_BACKTRACE && HAVE_EXECINFO_H && HAVE_POPEN && defined(ADDR2LINE)
{
xbt_ex_t e;