From 5feca068d740b165d3c36a690f5a68b7588b6625 Mon Sep 17 00:00:00 2001
From: Alexander Gottwald <alexander.gottwald@s1999.tu-chemnitz.de>
Date: Thu, 3 Feb 2005 09:58:47 +0000
Subject: [PATCH] Bugzilla #1865
 (https://bugs.freedesktop.org/show_bug.cgi?id=1865)     attachment #1827
 (https://bugs.freedesktop.org/attachment.cgi?id=1827):     check for va_copy
 not being defined and use __va_copy if available

---
 os/xprintf.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/os/xprintf.c b/os/xprintf.c
index 6fa530bd2..ee5d7daf6 100644
--- a/os/xprintf.c
+++ b/os/xprintf.c
@@ -30,6 +30,14 @@
 #include "os.h"
 #include <stdarg.h>
 #include <stdio.h>
+
+#ifndef va_copy
+# ifdef __va_copy
+#  define va_copy __va_copy
+# else
+#  error "no working va_copy was found"
+# endif
+#endif
     
 char *
 Xvprintf(const char *format, va_list va)