From b7449477119892d681d3cf9ebc31f36e2eb2468c Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sun, 20 Mar 2016 01:50:27 +0100
Subject: [PATCH] Missing #include

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

diff --git a/xs/src/libslic3r/PerimeterGenerator.cpp b/xs/src/libslic3r/PerimeterGenerator.cpp
index cffe14b679..ae3a2088f8 100644
--- a/xs/src/libslic3r/PerimeterGenerator.cpp
+++ b/xs/src/libslic3r/PerimeterGenerator.cpp
@@ -2,6 +2,7 @@
 #include "ClipperUtils.hpp"
 #include "ExtrusionEntityCollection.hpp"
 #include <cmath>
+#include <cassert>
 
 namespace Slic3r {