From edd127ee7658ceb7f5f2f740bce75db1cbf25c0e Mon Sep 17 00:00:00 2001
From: "Thiago Marcos P. Santos" <thiago@mapbox.com>
Date: Tue, 14 Mar 2017 10:49:00 +0200
Subject: [build] Fix build when using a Z_PREFIX zlib

It will redefine mbgl::util::compress to mbgl::util::z_compress and
cause a link error. Aka pre-processor hell.
---
 src/mbgl/util/compression.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mbgl/util/compression.cpp b/src/mbgl/util/compression.cpp
index 18cb189d02..832c38b8d5 100644
--- a/src/mbgl/util/compression.cpp
+++ b/src/mbgl/util/compression.cpp
@@ -22,6 +22,11 @@ const static bool zlibVersionCheck __attribute__((unused)) = []() {
 namespace mbgl {
 namespace util {
 
+// Needed when using a zlib compiled with -DZ_PREFIX
+// because it will mess with this function name and
+// cause a link error.
+#undef z_compress
+
 std::string compress(const std::string &raw) {
     z_stream deflate_stream;
     memset(&deflate_stream, 0, sizeof(deflate_stream));
-- 
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