This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
Re: cpp problem found by imake
Zack Weinberg wrote:
> I don't want to give the impression that we'll definitely break imake.
> My main concern is that supporting imake clashes with standards
> conformance. You see, the result of pasting '<' with 'X11' is not a
> legal preprocessor token. This is explicitly undefined behavior, and
> I'd like to issue warnings or reject.
There's nothing that says that our choice of undefined behaviour
can't be something reasonable. In this case a reasonable
'undefined' behaviour could be to do what imake expects.
Dave