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Re: C++ bootstrap (part 4/n): Don't redefine bool, true and falsein C++
On Sat, 2004-07-24 at 21:32, Zack Weinberg wrote:
> There were, in fact, three different problems. One was annoying, two
> was a headache, three was too much.
>
> 1) If the bootstrap compiler supports bool/_Bool as a native type, it
> may give it a different size from the GCC being bootstrapped, thus
> causing ABI incompatibility between code compiled by the bootstrap
> compiler (libiberty, libcpp, libbanshee, etc) and code compiled by
> the new GCC during stage 2.
Amen! I ran into this several times, probably because I tend to
mix-n-match .o's from different stage builds when investigating
bootstrap comparison failures. Luckily I don't have to do a ton of
work on the platform which used to trip over this regularly (HP-UX).
Jeff