RFC: Cygwin 64 bit?

[Corinna Vinschen]

On Jan 18 10:55, Corinna Vinschen wrote:
> On Jan 18 17:25, JonY wrote:
> > On 1/18/2012 17:02, Kai Tietz wrote:
> > > To use here __CYGWIN__ as marker in platform-headers seems to me
> > > wrong.  But compiler defines for LP64 IIRC already __LP64__ makro (or
> > > if it doesn't we could teach it to do so along with __LLP64__).
> 
> Right, at least gcc 4.6.2 on Linux defines __LP64__ and _LP64.
> x86_64-w64-mingw32-gcc 4.5.3 does not defined __LLP64__ or _LLP64,
> though.  Maybe it has only been added in gcc 4.6?

No, apparently not.  Only if gcc is built for LP64, the aforementioned
macros are defined.  There's no LLP64 define.  However, if the #pragma
idea isn't feasible, we could also fall back to the existing definition
of __SIZEOF_LONG__.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat