Re: [boost] [filesystem] operations.hpp Won't Compile with VC10 using Boost 1.47

Subject: Re: [boost] [filesystem] operations.hpp Won't Compile with VC10 using Boost 1.47
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2012-02-14 14:46:00

Stephan T. Lavavej wrote:
> [Robert Stewart]
> > BOOST_NO_STD_WSTRING didn't appear in the output.  This was
> > a false alarm.  Why does VC print #error messages that are
> > conditionally compiled and don't apply!
>
> It doesn't:
>
> C:\Temp>type meow.cpp
> # if defined( BOOST_NO_STD_WSTRING )
> #   error Configuration not supported: Boost.Filesystem V3
> and later requires std::wstring support
> # endif
>
> int main() { }
>
> C:\Temp>cl /EHsc /nologo /W4 /MTd meow.cpp
> meow.cpp

I tried recreating the command line our build system uses and I can't replicate the behavior, but it always prints them in my environment.  Perhaps the small file affects the behavior and after digesting large amounts of code, it might fail.  I even tried including boost/filesystem/operations.hpp.  So far, I can't reproduce the problem.

If I ever come up with a self-contained, repeatable demonstration of the problem, I'll pass it along.  Since we're off topic, I'll not dwell on this further.

_____
Rob Stewart                           robert.stewart_at_[hidden]
Software Engineer                     using std::disclaimer;
Dev Tools & Components
Susquehanna International Group, LLP  http://www.sig.com

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