--- a/cmajor++/Cm/Cm.Core/Project.hpp
+++ b/cmajor++/Cm/Cm.Core/Project.hpp
@@ -81,6 +81,8 @@
     TemplateRepositoryPtr templateRepository;
 };
 
+bool GeneratingLibraryDeclarations();
+
 } } // namespace Cm::Core
 
 #endif // CM_CORE_PROJECT_INCLUDED