diff options
Diffstat (limited to 'common/singleton.h')
| -rw-r--r-- | common/singleton.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/common/singleton.h b/common/singleton.h index 6c36d7a37d..9bcd590183 100644 --- a/common/singleton.h +++ b/common/singleton.h @@ -88,7 +88,14 @@ protected: static T *_singleton; }; -template<class T> T *Singleton<T>::_singleton = 0; +/** + * Note that you need to use this macro from the Common namespace. + * + * This is because C++ requires initial explicit specialization + * to be placed in the same namespace as the template. + */ +#define DECLARE_SINGLETON(T) \ + template<> T *Singleton<T>::_singleton = 0 } // End of namespace Common |