[boost] Re: gcc-3.4 release imminent

From: Neal Becker (ndbecker2_at_[hidden])
Date: 2004-04-20 20:35:29

David Abrahams wrote:

> "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.
> 

It looks like the iterator adaptors problem was my fault.  Sorry for false
alarm.

Lambda does need to be fixed.  I guess it is in cvs now.  Are there plans to
for a bug fix release (1.31.1)?