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Subject: Re: [boost] [warnings] Are warnings acceptable artifactsfrom builds?
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2009-09-09 08:31:04

Thomas Klimpel wrote:
> Michael Fawcett wrote:
> > Frankly, after just having reviewed (by using) a library
> > that spit out
> > 60+ warnings resulting in hundreds of kilobytes worth of warning
> > messages, I have to disagree. Those warnings become my
> > business when
> > I have to wade through them just to find the bloody error message.
> I have also reviewed that library. There were far too many
> warnings, but some of the warnings really were nonsense (in
> the sense that fixing the compiler would be more reasonable
> than trying to work around the warnings).

Which is the more likely? Even if you could see the compiler fixed, it will only help those users that use the newer version.

> Thomas Klimpel wrote:
> > - It is true that msvc-9 spits out many warnings. However,
> > it is also
> > true that "warning C4127: conditional expression is
> > constant" for a code like
> > template <typename value_type, typename geometry_type_1,
> > typename geometry_type_2, int op_type>
> > void execute_boolean_op(value_type& output_, const
> > geometry_type_1& lvalue_, const geometry_type_2& rvalue_,
> > ...
> > if(op_type < 2)
> > is nonsense, because op_type is a template parameter. So I have the
> > impression that the only way to get rid of the msvc warnings is by
> > disabling the nonsense warnings with appropriate pragmas.
> I don't know what about the boost way to silence warnings,
> but if it is along the line of
> #pragma warning(push)
> #pragma warning(disable:4127)
> #endif
> ...
> #pragma warning(pop)
> #endif

Those could easily be macros, thus reducing the source code burden.

Rob Stewart robert.stewart_at_[hidden]
Software Engineer, Core Software using std::disclaimer;
Susquehanna International Group, LLP

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