From d0db8914f79b8a206f1637f4398fa4b4a4cc23a0 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sat, 5 Dec 2015 11:48:24 +0100
Subject: [PATCH] Fix a compilation error on Win32

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

diff --git a/xs/src/libslic3r/GUI/GUI.cpp b/xs/src/libslic3r/GUI/GUI.cpp
index 3dec753082..84d5954b4e 100644
--- a/xs/src/libslic3r/GUI/GUI.cpp
+++ b/xs/src/libslic3r/GUI/GUI.cpp
@@ -9,7 +9,9 @@
 
 namespace Slic3r { namespace GUI {
 
+#if __APPLE__
 IOPMAssertionID assertionID;
+#endif
 
 void
 disable_screensaver()