[boost] Re: Patches for Borland's free compiler
by David Abrahams other posts by this author
May 22 2003 4:49PM messages near this date
[boost] Patches for Borland's free compiler
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[boost] Re: Patches for Borland's free compiler
"Chris Trengove" <trengove@[...].au> writes:
> > I don't know that any BCCs can do it. AFAIK they're all buggy.
> > Someone was working on a port; I think he got pretty far.
>
> I think I am the "someone", and I am fairly sure that no version of BCC will
> compile BP.
>
> > Nope, when I try it, BCC55sp2 chokes on integral constant
> > expressions, as usual. Some fairly mechanical massage might be
> > enough to make it all work, though.
>
> This is probably the most common error with BCC, and it affects some other
> parts of Boost as well. The compiler is happy if these static integral
> constants are explicitly qualified
>
> template <class T>
> struct Y {
> static const bool value = ... // some test here.
> typedef X<Y::value>::type type; // must have Y::value, not just
> value.
> };
Or if you use the MPL protocol of working with types instead of
integral constants directly.
--
Dave Abrahams
Boost Consulting
www.boost-consulting.com
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David Abrahams
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