--- old/src/cpu/x86/vm/globalDefinitions_x86.hpp	2015-12-01 16:57:15.600009376 +0100
+++ new/src/cpu/x86/vm/globalDefinitions_x86.hpp	2015-12-01 16:57:15.428992234 +0100
@@ -57,4 +57,8 @@
 #define INCLUDE_RTM_OPT 1
 #endif
 
+#if defined(LINUX) || defined(SOLARIS) || defined(__APPLE__)
+#define SUPPORT_RESERVED_STACK_AREA
+#endif
+
 #endif // CPU_X86_VM_GLOBALDEFINITIONS_X86_HPP