[boost] Re: gcc-3.4 release imminent

From: David Abrahams (dave_at_[hidden])
Date: 2004-04-20 11:43:15

"Giovanni Bajo" <giovannibajo_at_[hidden]> writes:

> Neal D. Becker wrote:
>
>> gcc-3.4 doesn't seem to like boost iterator adaptor stuff, in
>> particular. Also lambda.
>
> Weird, I think I could compile most of those libraries without big problems.
> Any single test which reliably fails with 3.4.0?
>
>> Many errors are of this nature:
>> src/c_to_r.hpp:83: error: there are no arguments to `base_reference'
>> that depend on a template parameter, so a declaration of
>> `base_reference' must be available
>
> GCC 3.4.0 implements two-stage name lookup, which is not found in previous
> versions of GCC or MSVC 71 (that happens to be de-fact standard for Boost
> development). One of the net results is that names in dependent bases are not
> inspected during unqualified name lookup in templates. I suggest you review
> http://gcc.gnu.org/gcc-3.4/changes.html for more infos. In my experience,
> libraries which were previously compiled with an EDG compiler (Comeau / Intel)
> have almost no problems, while libraries developed only with MSVC, CW, or GCC
> need to be fixed.

We still do test all of Boost with many compilers implementing
2-phase lookup, including metrowerks, intel, and comeau.  I'm
surprised that you report it's turning up any Boost bugs, especially
in iterator adaptors.

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com