sharing libcpp between GDB and GCC

[Neil Booth]

Zack Weinberg wrote:-

> I like this plan, and am provisionally willing to do the work, with
> the warning that we're coming up on the "no more major structural
> changes" freeze deadline for GCC 3.2 and there are several other major
> structural changes I want to squeeze in (new numeric-constant parser,
> tm.h out of config.h, continued floating point overhaul).[1]  And I'll be
> out of touch, and not hacking on anything, from Wednesday through the
> beginning of next week.

Yikes!  That is quick.  I want to rewrite the lexer.  Maybe I'll drop
langhooks for a while.

> It should not be terribly hard to do though.  There's two hurdles.
> First, we have to dissociate cpplib from GCC's target configuration
> entirely; thanks to Eric's integrated-preprocessor patch, it's now
> practical to shift most of that to the C front end proper.

Eric? 8-)

Neil.