/usr/include/vdr/font.h:48:15: error: ‘virtual int cFont::Width() const’ was hidden [-Werror=overloaded-virtual]
   virtual int Width(void) const = 0;
               ^
In file included from vfd.c:23:0:
ffont.h:78:15: error:   by ‘cVFDFont::Width’ [-Werror=overloaded-virtual]
   virtual int Width(const char *s) const;
               ^
vfd.c: In member function ‘virtual bool cVFD::SetFont(const char*, bool, int, int)’:
vfd.c:613:56: error: invalid new-expression of abstract class type ‘cVFDFont’
       tmpFont = new cVFDFont(sFileName,nSmallFontHeight);
                                                        ^
In file included from vfd.c:23:0:
ffont.h:60:7: note:   because the following virtual functions are pure within ‘cVFDFont’:
 class cVFDFont : public cFont {
       ^
In file included from /usr/include/vdr/config.h:20:0,
                 from /usr/include/vdr/channels.h:13,
                 from /usr/include/vdr/device.h:13,
                 from /usr/include/vdr/dvbdevice.h:15,
                 from /usr/include/vdr/menuitems.h:14,
                 from setup.h:17,
                 from vfd.c:22:
/usr/include/vdr/font.h:48:15: note: 	virtual int cFont::Width() const
   virtual int Width(void) const = 0;
               ^
vfd.c:615:54: error: invalid new-expression of abstract class type ‘cVFDFont’
       tmpFont = new cVFDFont(sFileName,nBigFontHeight);
                                                      ^