From 9d276f3b0f0e5f1b5089a6cd727927361e6634ac Mon Sep 17 00:00:00 2001
From: John Firebaugh <john.firebaugh@gmail.com>
Date: Mon, 5 Jun 2017 12:15:27 -0700
Subject: [core] Dynamic program compilation for data-driven properties

---
 include/mbgl/map/map.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'include')

diff --git a/include/mbgl/map/map.hpp b/include/mbgl/map/map.hpp
index 289b5e21a4..33b40a8e77 100644
--- a/include/mbgl/map/map.hpp
+++ b/include/mbgl/map/map.hpp
@@ -44,7 +44,7 @@ public:
                  GLContextMode contextMode = GLContextMode::Unique,
                  ConstrainMode constrainMode = ConstrainMode::HeightOnly,
                  ViewportMode viewportMode = ViewportMode::Default,
-                 const std::string& programCacheDir = "");
+                 const optional<std::string>& programCacheDir = {});
     ~Map();
 
     // Register a callback that will get called (on the render thread) when all resources have
-- 
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