From 7123c7e818b9f127fcb9dec155702444eddeaadf Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 21 Nov 2018 18:03:24 +0100
Subject: [PATCH] Fixed missing include (fixed compilation on OSX)

---
 src/libslic3r/SLAPrint.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/libslic3r/SLAPrint.cpp b/src/libslic3r/SLAPrint.cpp
index 52a4146bc47..9fbf6aa8c7d 100644
--- a/src/libslic3r/SLAPrint.cpp
+++ b/src/libslic3r/SLAPrint.cpp
@@ -2,6 +2,8 @@
 #include "SLA/SLASupportTree.hpp"
 #include "SLA/SLABasePool.hpp"
 
+#include <unordered_set>
+
 #include <tbb/parallel_for.h>
 #include <boost/log/trivial.hpp>