[boost] Re: [Iostreams] Fails to build on Windows

From: Jonathan Turkanis (technews_at_[hidden])
Date: 2005-06-07 12:06:56

Keith MacDonald wrote:
> Building with missing header files for compression now works, thanks.

Great! I was running out of ideas.

> However, there remains a problem when building boost_iostreams.dll,
> resulting in these warnings:
>
> iostreams/device/file_descriptor.hpp(96) : warning C4251:
> 'boost::iostreams::file_descriptor::pimpl_' : class
> 'boost::shared_ptr<T>' needs to have dll-interface to be used by
> clients of class 'boost::iostreams::file_descriptor'
> iostreams/device/mapped_file.hpp(135) : warning C4251:
> 'boost::iostreams::mapped_file_source::pimpl_' : class
> 'boost::shared_ptr<T>' needs to have dll-interface to be used by
> clients of class 'boost::iostreams::mapped_file_source'
>
> A similar warning occurs in filesystem/exception.hpp(97) for
> boost_filesystem.dll, so the problem may not be in your code.

These warnings can be safely ignored, I think.

> - Keith MacDonald

Jonathan