-- gcc 4.7+ (available for most platforms), or
-- Clang 3.2+ (available for most platforms), or
-- XCode 4.6+ (available for Max OS X and based on Clang), or
-- Visual C++ Nov 2013 CTP (available for Windows™), or
+- gcc 4.8+ (available for most platforms), or
+- Clang 3.3+ (available for most platforms), or
+- XCode 5.0+ (available for Max OS X and based on Clang), or
+- Visual C++ 2015 (available for Windows™), or