[cfe-dev] <predefines> in clang -E output

[Mike Stump]

On Mar 20, 2009, at 9:07 AM, Daniel Dunbar wrote:
> On Thu, Mar 19, 2009 at 11:09 PM, Chris Lattner <clattner at apple.com>  
> wrote:
> change this.  BTW, this is insanely gross.  <sarcastic> Is there any
> obscure implementation detail of GCC that is not depended on by some
> program?
>
> cc1 -v prints the compiler checksum. I'm sure someone somewhere  
> greps this. :)

Distributed builds use it to validate the remote compiler is the same  
as the local compiler, maybe.  :-)