Is CPP broken? (Re: Strange gcc error message)

[Neil Booth]

H . J . Lu wrote:-

> On Sat, Oct 06, 2001 at 10:16:37AM -0700, H . J . Lu wrote:
> > With the CVS on Oct. 6, I got
> > 
> > # touch foo.c   
> > # ./xgcc -B./  -c foo.c
> > Errors detected in input file (your bison.simple is out of date)
> > 
> > I think it is a new message for me. I don't believe it is right.
> 
> Hi Neil,
> 
> It turned out that this error message is caued by CPP. Is that
> intentional for CPP to treat an empty file as an error?

Would you elaborate?

Neil.