From c7442012b90746b96f3f264ea707c9a91c7106e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aleix=20Conchillo=20Flaqu=C3=A9?= <aconchillo@gmail.com>
Date: Sun, 18 Dec 2022 12:41:49 -0800
Subject: [PATCH] libevent: define O_CLOEXEC for Guile 2.2

---
 extensions/libevent.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/extensions/libevent.c b/extensions/libevent.c
index c055badc..4d945f96 100644
--- a/extensions/libevent.c
+++ b/extensions/libevent.c
@@ -18,13 +18,20 @@
 
 
 
-#include <stdio.h>
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include <string.h>
 #include <errno.h>
 #include <unistd.h>
 #include <event2/event.h>
 #include <libguile.h>
 
+#if SCM_MAJOR_VERSION == 2
+# include <fcntl.h>				  /* O_CLOEXEC */
+#endif
+
 struct event_data
 {
   int fd;
@@ -328,6 +335,11 @@ init_fibers_libevt (void)
   scm_c_define ("EVWRITE", scm_from_int (EV_WRITE));
   scm_c_define ("EVPERSIST", scm_from_int (EV_PERSIST));
   scm_c_define ("EVCLOSED", scm_from_int (EV_CLOSED));
+
+#if SCM_MAJOR_VERSION == 2
+  /* Guile 2.2.7 lacks a definition for O_CLOEXEC.  */
+  scm_c_define ("O_CLOEXEC", scm_from_int (O_CLOEXEC));
+#endif
 }
 
 /*