thakis added a subscriber: thakis.
thakis added a comment.

Instead of doing this, would it make sense to have a flag like -ffile-basename 
that changes what __FILE__ expands to?

I had wished I'd be able to have some control over __FILE__ (I'd like to say 
"make all __FILE__s relative to this given directory for my use case), and 
changing __FILE__ to something else in all the world's code isn't easy – so 
maybe having a flag that provides some control over __FILE__ instead of adding 
a separate macro would be a good idea.


http://reviews.llvm.org/D17741



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