VCG and cfg.vcg display

[sean yang]

gcc dumps a vcg file to represent the CFG, but I can't find a site to 
download VCG source and compile it.

I did a little search online and understood it's about GPL licence for VCG. 
Can someone tell me where to it work? --I just want to display the cfg.vcg 
files.

A related question is "does gcc developers plan to provide a callgraph.vcg 
functionality?"

Thanks,
Sean

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