* Use multi-arg instead [-Wclazy-qstring-arg]
* Q_PROPERTY should have either NOTIFY or CONSTANT [-Wclazy-qproperty-without-notify]
* Using copy-ctor but class SbMatrix has a trivial copy-ctor but non trivial assign operator [-Wclazy-rule-of-two-soft]
The FCGlobal.h can be included in a Global.h header file of an extension module.
The reason is that some IDEs (e.g. QtCreator) fails to detect the export/import macros when only defined in the PreCompiled.h files and thus raise a parser warning.
