From 2c256e9e736a7147cb1945b4196d7e993b021241 Mon Sep 17 00:00:00 2001
From: Bertrand Songis <bsongis@gmail.com>
Date: Sun, 27 Mar 2016 10:46:19 +0200
Subject: [PATCH] Avoids generating all bitmaps one time per CPU during
 compilation

---
 cmake/Bitmaps.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmake/Bitmaps.cmake b/cmake/Bitmaps.cmake
index 16c54a462..145aeff0f 100644
--- a/cmake/Bitmaps.cmake
+++ b/cmake/Bitmaps.cmake
@@ -1,4 +1,5 @@
 macro(add_bitmaps_target targetname filter width format)
+  set(bitmaps_files)
   file(GLOB bitmaps ${filter})
   foreach(bitmap ${bitmaps})
     get_filename_component(target ${bitmap} NAME_WE)