--- ./lib/multi.c.orig	2025-06-17 00:53:10.678269425 -0500
+++ ./lib/multi.c	2025-06-17 00:54:04.429787985 -0500
@@ -40,7 +40,9 @@
 #include "sendf.h"
 #include "curlx/timeval.h"
 #include "http.h"
+#undef _ALL_SOURCE
 #include "select.h"
+#define _ALL_SOURCE 1
 #include "curlx/warnless.h"
 #include "speedcheck.h"
 #include "conncache.h"