[boost] Re: MPL failures with gcc 3.2 and current CVS

From: David Abrahams (dave_at_[hidden])
Date: 2004-01-05 09:38:52

Angus Leeming <angus.leeming_at_[hidden]> writes:

> This trivial program fails to compile on a linux PC running RH8 (g++ 3.2) when 
> compiled against current boost cvs. I have also tried compiling the failing 
> code against branch RC_1_31_0 with the same result -- 
> 64kB of error messages :-(
>
> #include <boost/numeric/ublas/vector.hpp>
> typedef boost::numeric::ublas::bounded_vector<double, 3> Coord;
> int main()
> {
> 	Coord const centroid1;
> 	Coord const centroid2;
> 	Coord const vec = centroid2 - centroid1;
> 	return 0;
> }
>
> I attach the errors in compressed form.
>
> All is fine on a Dec Alpha machine running Debian unstable (gcc 3.3.2) so I 
> guess that the problem lies in the MPL-work-arounds for the imperfect gcc 3.2 
> compiler.

Actually this was caused by MPL workarounds for the imperfect EDG
front-end, which turned out to trigger a bug in gcc-3.2.  I'll be
checking in a fix shortly.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com