From 1f92ebe7172b77c1b71cba6a76ad35799535df53 Mon Sep 17 00:00:00 2001
From: Mathias Lang <mathias.lang@sociomantic.com>
Date: Fri, 3 Nov 2017 17:31:34 +0100
Subject: [PATCH] Do not expose unmangled ZLIB_VERSION and ZLIB_VERNUM
 needlessly

Before this change, ZLIB_VERSION and ZLIB_VERNUM were unmangled TLS variables.
That exposure was unneeded, and could lead to some clash with other zlib binding which would prevent linking.
---
 etc/c/zlib.d | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/etc/c/zlib.d b/etc/c/zlib.d
index b3e9783389c..07f50a1fb13 100644
--- a/etc/c/zlib.d
+++ b/etc/c/zlib.d
@@ -40,8 +40,9 @@ import core.stdc.config;
 nothrow:
 extern (C):
 
-const char[] ZLIB_VERSION = "1.2.11";
-const ZLIB_VERNUM = 0x12b0;
+// Those are extern(D) as they should be mangled
+extern(D) immutable string ZLIB_VERSION = "1.2.11";
+extern(D) immutable ZLIB_VERNUM = 0x12b0;
 
 /*
     The 'zlib' compression library provides in-memory compression and