#include <istream>
#include <msp/datafile/value.h>
+#include "mspgltk_api.h"
namespace Msp {
namespace GLtk {
inline State operator~(State a)
{ return static_cast<State>(~static_cast<int>(a)); }
-extern std::istream &operator>>(std::istream &, State &);
+MSPGLTK_API std::istream &operator>>(std::istream &, State &);
} // namespace GLtk
} // namespace Msp