Index: xprintf.c
===================================================================
RCS file: /cvs/xorg/xc/programs/Xserver/os/xprintf.c,v
retrieving revision 1.2
diff -u -r1.2 xprintf.c
--- xprintf.c	14 Jan 2005 12:17:10 -0000	1.2
+++ xprintf.c	3 Feb 2005 09:52:49 -0000
@@ -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)