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gcc.2.2.2 (c++) and private static vars


I'm compiling InterViews 2.6 with gcc2.2.2 and have
no problems until the link stage.  The InterViews
libraries compile and archive successfully, but when
I compile code and try to link with these libraries I
get undefined symbols.  After looking around at the
object files and the source, I found that the symbols
that are reported as undefined are each delcared as
private or protected static variables of classes in the source.

I'm compiling on a Sun4/110 with SunOS4.1.1,
using gcc2.2.2 and sun's linker.

The output from the link looks like:

ld: Undefined symbol
   __8WorldRep$_host
   __6Sensor$maxchannel
   __6Sensor$channels


The delcarations in the source look like:

class Sensor : public Resource {
public:
//...
protected:
    static unsigned channels;
    static int maxchannel;
//...
};


and...

class WorldRep {
public:
//...
private:
    static char _host[100];
//...
};


Are there options that I should be specifying to gcc to 
correct this?

Thanks,


Rick Jesse