RE: [Openexr-devel] Compiler compatibility (MS C/C++ 13.x)

[Aristarkh A Zagorodnikov]

> -----Original Message-----
> From: 
> address@hidden 
> [mailto:address@hidden
> .org] On Behalf Of Florian Kainz
> Sent: Monday, January 31, 2005 9:26 PM
> To: Aristarkh A Zagorodnikov
> Cc: address@hidden
> Subject: Re: [Openexr-devel] Compiler compatibility (MS C/C++ 13.x)
> 
> 
> Aristarkh A Zagorodnikov wrote:
> >             Hello!
> > 
> >     I would like to note, that using IlmImf with MS C/C++ 13.x (from
> > MSVC 7.x) is not possible when language extensions are disabled (/Za
> > compiler switch). The problem is in ImfInt64.h with declaration of
> > Imf::Int64 type. The aforementioned compiler does not allow 
> "long long"
> > declarations as 64-bit integer declarations when /Za switch 
> is in effect.
> > The proposed solution is presented below:
> > 
> > ImfInt64.h
> > //  NOTE: begin of code changed by Aristarkh Zagorodnikov
> > #if defined PLATFORM_WIN32 && _MSC_VER >= 1300
> >     typedef unsigned __int64 Int64;
> > #else
> >     typedef long long unsigned int Int64;
> > #endif
> > //  NOTE: end of code changed by Aristarkh Zagorodnikov
> > /*
> >     NOTE: original code goes here
> > 
> >     typedef long long unsigned int Int64;
> > */
> > #endif
> > 
> >     P.S. Thanks to developers of The Library :) - it works great.
> > Actually, I do not remember any library with such a 
> seamless integration
> > (compared with its size of course).
> > 
> > Aristarkh A Zagorodnikov
> > X-Infinity Software
> 
> 
> Thank you for pointing this out.  Do you know if /Za will
> disable "long long unsigned int" on compiler versions
> other than 13.x?

12.x (MSVC 6) does not support "long long" at all (although it does not
support lots of other things and I consider it outdated).
14.x (MSVC 2005 aka Whidbey, both Express and Visual Studio versions)
behaves the same like 13.x - "long long" is considered illegal with /Za in
effect.

Aristarkh A Zagorodnikov
X-Infinity Software