http://trac.wildfiregames.com/changeset/13031
--- source/lib/debug.h
+++ source/lib/debug.h
@@ -123,5 +123,5 @@
  * use 0 as the initial value to avoid allocating .rdata space.
  **/
-const atomic_bool DEBUG_SUPPRESS = 0xAB;
+static const atomic_bool DEBUG_SUPPRESS = 0xAB;
 
 /**