--- a/src/basics.h Wed Nov 05 23:41:58 2014 +0200 +++ b/src/basics.h Mon Dec 01 05:10:22 2014 +0200 @@ -23,6 +23,7 @@ #include <QMetaType> #include <QVector3D> #include <QSharedPointer> +#include <functional> #include "macros.h" class LDObject;