From dc39b36b39f9b25d36fa76d353e9c1b9efec4e2d Mon Sep 17 00:00:00 2001
From: Mika Lindqvist <postmaster@raasu.org>
Date: Thu, 25 Mar 2021 02:07:56 +0200
Subject: [PATCH] Alias ZEXTERN, ZEXPORT and ZEXPORTVA to Z_EXTERN, Z_EXPORT
 and Z_EXPORTVA respectively.

---
 zconf.h.in | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/zconf.h.in b/zconf.h.in
index fcbcbb6b..ae2a3093 100644
--- a/zconf.h.in
+++ b/zconf.h.in
@@ -102,6 +102,18 @@
 #  define Z_EXPORTVA
 #endif
 
+/* For backwards compatibility */
+
+#ifndef ZEXTERN
+#  define ZEXTERN Z_EXTERN
+#endif
+#ifndef ZEXPORT
+#  define ZEXPORT Z_EXPORT
+#endif
+#ifndef ZEXPORTVA
+#  define ZEXPORTVA Z_EXPORTVA
+#endif
+
 /* Fallback for something that includes us. */
 typedef unsigned char Byte;
 typedef Byte Bytef;
-- 
2.47.2