diff -ru python-3.14.7/Modules/selectmodule.c python-3.14.7-banan_os/Modules/selectmodule.c
--- python-3.14.7/Modules/selectmodule.c	2026-08-05 13:29:49.000000000 +0300
+++ python-3.14.7-banan_os/Modules/selectmodule.c	2026-08-25 12:39:57.421740199 +0300
@@ -71,6 +71,10 @@
 #  define SOCKET int
 #endif
 
+#ifdef __banan_os__
+#include <sys/select.h>
+#endif
+
 // WASI SDK 16 does not have POLLPRIO, define as no-op
 #if defined(__wasi__) && !defined(POLLPRI)
 #  define POLLPRI 0