[Bug other/70268] add option -ffile-prefix-map to map one directory name (old) to another (new) in __FILE__, __BASE_FILE__and __builtin_FILE()

[infinity0 at pwned dot gg]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70268

--- Comment #15 from infinity0 at pwned dot gg ---
(In reply to infinity0 from comment #14)
> > it has a unified option (-ffile-prefix-map) [..]
> 
> Oh, nice. That might save me some work, then.
> 
> Could you bounce me the thread? Or failing that, tell me the Message-ID of
> one of the messages, so I can reply to it.
> 
> > [..] that I believe does exactly what you want
> 

Thanks for forwarding the mail. I've posted a follow-up patch to be applied on
top of your patch, that implements the two things I mentioned.