$OpenBSD: patch-core_synctex_synctex_parser_c,v 1.3 2021/09/10 08:43:59 rsadowski Exp $

Index: core/synctex/synctex_parser.c
--- core/synctex/synctex_parser.c.orig
+++ core/synctex/synctex_parser.c
@@ -69,6 +69,7 @@
 
 #include <errno.h>
 #include <limits.h>
+#include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
