From: Eric Niebler (eric_at_[hidden])
Date: 2007-05-04 00:34:25
Maurizio Vitale wrote:
> Eric Niebler <eric_at_[hidden]> writes:
>
>> This is only a problem on GCC because of a compiler bug wrt template
>> template parameters. Proto reuses a work-around from the MPL, which is
>> conditioned on an MPL macro called BOOST_MPL_LIMIT_METAFUNCTION_ARITY.
>> If you define this to be at least as large as BOOST_PROTO_MAX_ARITY, the
>> problem goes away.
>
> Mmmh, does the code I sent compile for you when ARITY==8?
> It still doesn't for me.
Yes, if I compile your code with:
#define ARITY 8
#define BOOST_MPL_LIMIT_METAFUNCTION_ARITY 8
then it works with gcc-3.4, gcc-4.0 and gcc-4.1. I double checked that I
have no pending commits lying around. I don't know what the problem
could be, sorry.
-- Eric Niebler Boost Consulting www.boost-consulting.com