No problem, I've made the change in my local copy but haven't checked it in yet. I've still got some issue with Comeau. That's why I haven't checked it in myself yet. Robert Ramey Joaquín Mª López Muñoz wrote:

Boost.Serialization is currently failing to build in Comeau 4.3.3, apparently for legitimate reasons:

http://tinyurl.com/adv2g

The detail type helper_type in libs/serialization/src/basic_oarchive.cpp

contains the following member:

const boost::serialization::extended_type_info * const m_eti;

whose constness prevents the compiler from generating a default assignment operator for helper_type. Hence helper_type is not Assignable and thus cannot be used in a STL container like attempted

at line 164 in the same archive:

std::set<helper_type, helper_compare> m_helpers;

I guess removing the const qualifier of m_eti would suffice to make this

error go away. Any objection to me applying the attached patch (confirmed to work on MSVC, yet untested in Comeau)?

Joaquín M López Muñoz Telefónica, Investigación y Desarrollo

...

143c143 < const boost::serialization::extended_type_info * const m_eti; ---

...

const boost::serialization::extended_type_info * m_eti;

146c146 < const boost::serialization::extended_type_info * const eti ---

...

const boost::serialization::extended_type_info * eti

...

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