Macro to configure Any++ for DLL mode.

If ANY_DLL_MODE is #defined, Any++ is configured for DLL mode. In DLL mode, some static runtime data is not instantiated in the header implicitly via static inline and must be manually instantiated in a single translation unit.

See also ANY_SINGLETON_DECLARE, ANY_SINGLETON, ANY_META_CLASS_FWD, ANY_META_CLASS, ANY_DISPATCH_COUNT_FWD, ANY_DISPATCH_COUNT, ANY_DISPATCH_FOR_FWD, ANY_DISPATCH_FOR, ANY_META_CLASS_FWD, ANY_META_CLASS.