I'm getting a compile error with my code to do with the
boost::is_abstract class for compilers that don't support
type_traits/is_abstract, i.e. those that have BOOST_NO_IS_ABSTRACT
defined, BCB 5.6.4 in my case.
Serialization/is_abstract.hpp defines an is_abstract class if
BOOST_NO_IS_ABSTRACT is defined rather than including
type_traits/is_abstract.hpp. With 1.33 RC1 type_traits/is_abstract.hpp
now defines an is_abstract class if BOOST_NO_IS_ABSTRACT is defined,
which it didn't use to do. Thus the class boost::is_abstract is
multiply defined.
Minimal code to reproduce the error is:
#include
#include
int main(int argc, char* argv[])
{
return 0;
}
Compile that with BCB5.6.4 and you get:
[C++ Error] is_abstract.hpp(32): E2238 Multiple declaration for
'is_abstract<T>'
[C++ Error] is_abstract.hpp(130): E2344 Earlier declaration of
'is_abstract<T>'
The first is serialization/is_abstract.hpp the second is
type_traits/is_abstract.hpp.
Perhaps serialization/is_abstract.hpp could check for
type_traits/is_abstract.hpp having already been included or perhaps the
serialization version is not now needed?
Richard
-----Original Message-----
From: boost-users-bounces@lists.boost.org
[mailto:boost-users-bounces@lists.boost.org] On Behalf Of Doug Gregor
Sent: 01 August 2005 18:04
To: boost-users@lists.boost.org
Subject: [Boost-users] [1.33.0] Release candidate #1 is available
Boost 1.33.0 release candidate #1 is now available here:
http://www.osl.iu.edu/~dgregor/boost-1.33.0/
There are two sets of files important for this release:
- boost_1_33_0_rc1.*: The actual release candidate
- boost_1_33_0_(docbook|fo|man).*: The documentation in other formats
Please download and unpack the archives, browse the documentation, try
the release with your favorite compiler, etc.
Thanks!
Doug Gregor
1.33.0 Release Manager
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