From 47f265f77f94c004b64cc28ff5358817eddf3919 Mon Sep 17 00:00:00 2001
From: Vojtech Bubnik <bubnikv@gmail.com>
Date: Tue, 13 Jul 2021 14:08:44 +0200
Subject: [PATCH] Fixed R-Pi build

---
 src/libslic3r/TriangleMeshSlicer.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libslic3r/TriangleMeshSlicer.cpp b/src/libslic3r/TriangleMeshSlicer.cpp
index 565cfcb8b..681ec32f0 100644
--- a/src/libslic3r/TriangleMeshSlicer.cpp
+++ b/src/libslic3r/TriangleMeshSlicer.cpp
@@ -9,6 +9,7 @@
 #include <cmath>
 #include <deque>
 #include <queue>
+#include <mutex>
 #include <utility>
 
 #include <boost/log/trivial.hpp>