RE: [boost] Re: [dynamic bitset] Wrong test for MSVC6/7 and dinku mwarelib?

From: Björn Karlsson (Bjorn.Karlsson_at_[hidden])
Date: 2002-10-01 04:31:57

> From: Markus Schöpflin [mailto:markus.schoepflin_at_[hidden]]
> It's even more complicated than that. :-)
> 
> You can't check for Dinkumware lib with MSVC6 because it 
> doesn't define
> _CPPLIB_VER. This macro is only defined in later version of 
> the Dinkumware
> library. I think that's why there was a test for 
> !defined(_CPPLIB_VER).

Aha! That makes sense. Then I suggest we do this:
#if (defined(_MSC_VER) && (_MSC_VER <= 1300)) && ((!defined(_CPP_LIB_VER) &&
defined(_YVALS)) || (defined(_CPPLIB_VER) && (_CPPLIB_VER < 306)))

as _YVALS is defined on MSVC 6. 

> The config system already does all the hard work for us, why 
> don't why add
> some makro to it?

Sounds like a good idea, but adding a config macro is a "global operation",
while changing this faulty test is a very localized change. For now, I think
we should concentrate on getting this right, preferably before 1_29_0 is
released.

Bjorn Karlsson