@@ -29,9 +29,11 @@
#define _CXX0X_WARNING_H 1
#if __cplusplus < 201103L
-#error This file requires compiler and library support for the \
-ISO C++ 2011 standard. This support is currently experimental, and must be \
-enabled with the -std=c++11 or -std=gnu++11 compiler options.
+#error This file requires compiler and library support for at least \
+the ISO C++ 2011 standard, which must be enabled with \
+the -std=c++11 or -std=gnu++11 compiler options.
+// Include a non-existent file to terminate compilation:
+#include <__no_such_header__>
#endif
#endif