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From: Beman Dawes (bdawes_at_[hidden])
Date: 2008-08-25 16:07:01

Joshua Peterson wrote:
>> It seems that Boost.FileSystem does not implement some methods accepting
>>> wpath arguments when compiled with GCC 3.4.3 on Linux. This occurs
>>> because
>>> BOOST_FILESYSTEM_NARROW_ONLY is defined, which according to the comment in
>>> the code occurs for "badly broken compilers or libraries".
>> Something is amiss. IIRC, BOOST_FILESYSTEM_NARROW_ONLY should only be
>> defined for GCC on Windows/Cygwin, which doesn't have wide character
>> support. Don't all modern versions of GCC on Linux support wide characters?
>> Could you please check to see if BOOST_FILESYSTEM_NARROW_ONLY really is
>> being defined?
> Well, after a bit more investigation, it seems that the
> boost::filesystem::detail::copy_file_api(const std::wstring & from, const
> std::wstring & to) is not only behind BOOST_FILESYSTEM_NARROW_ONLY, but is
> also behind BOOST_WINDOWS_API, so it is explicitly only available on
> Windows.
> So I was incorrect, BOOST_FILESYSTEM_NARROW_ONLY is not defined for GCC
> 3.4.3, as I do get the wide character path manipulation methods. However,
> it is that Windows API define that prevents the above copy_file_api
> definition from being used.

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