Re: [boost] [PREDEF] Review for the Boost.Predef library by Rene Riviera

Subject: Re: [boost] [PREDEF] Review for the Boost.Predef library by Rene Riviera
From: Nathan Ridge (zeratul976_at_[hidden])
Date: 2012-02-19 14:09:59

> >>> I'm not an expert in architecture so I hope I'm not asking
> >>> something obvious.
> >>>
> >>> My understanding is that for example if you're targeting classic PC
> >>> hardware, you'll get
> >>> BOOST_ARCHITECTURE_X86 for 32Bit OS
> >>> BOOST_ARCHITECTURE_AMD64 for 64Bit OS (running on 64bit processor).
> >>
> >> If you are targeting 64Bit you are more likely to get both
> >> BOOST_ARCHITECTURE_AMD64 and BOOST_ARCHITECTURE_IA64.
> >
> > The set of 64-bit architectures is a bit error-prone to enumerate
> > explicitly in user code, as the set will inevitably be either incomplete
> > or stale.
> >
> > Just consider SPARC, IBM's POWER, MIPS, and not to mention the most
> > glorious DEC Alpha.
>
> Couldn't you just use static_if(sizeof(void*) == 8) for this? ;)

Not at preprocessing time.

Regards,
Nate