From f684daefda55722e230fd45b1085091cc63f697a Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Sat, 21 Mar 2020 15:20:41 +0000
Subject: [PATCH] glibc: support older versions

Ubuntu Xenial's version lacks this helper define, add it if missing
so it can build
---
 lib/event-libs/glib/glib.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/event-libs/glib/glib.c b/lib/event-libs/glib/glib.c
index 4adea145c..ada7627db 100644
--- a/lib/event-libs/glib/glib.c
+++ b/lib/event-libs/glib/glib.c
@@ -26,6 +26,10 @@
 
 #include <glib-unix.h>
 
+#if !defined(G_SOURCE_FUNC)
+#define G_SOURCE_FUNC(f) ((GSourceFunc) (void (*)(void)) (f))
+#endif
+
 #define wsi_to_subclass(_w)	  ((_w)->w_read.glib.source)
 #define wsi_to_gsource(_w)	  ((GSource *)wsi_to_subclass(_w))
 #define pt_to_loop(_pt)		  ((_pt)->glib.loop)