Make error from a CVS build

[Serge S. Fukanchik]

Ian Lance Taylor wrote:
>>What am I missing?  This is from todays CVS (11/13/04). I run
>>./configure  in the gcc dir, and it runs fine.
> 
> 
> Don't do that.  Follow the instructions.  Run configure in a
> different, empty, directory.  Run the top-level configure, not the one
> in the gcc subdirectory.
May be it would be better make that script fail, when run from wrong 
location?
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Serge