<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">--- a/configure.ac
+++ b/configure.ac
@@ -1272,7 +1272,7 @@ if test "${ac_cv_have_variable_fdset}x"
 fi
 
 AC_MSG_CHECKING([if we have usable eventfd support])
-AC_RUN_IFELSE(
+AC_LINK_IFELSE(
   [AC_LANG_PROGRAM([#include &lt;sys/eventfd.h&gt;],
       [return eventfd(0, EFD_NONBLOCK | EFD_SEMAPHORE) == -1;])],
   AC_MSG_RESULT(yes)
</pre></body></html>