[cfe-dev] Clang warning verbosity issue/question

[Romain Pechayre]

Sure,

Here is an warning example I have from boost headers:
[some path]/boost/accumulators/accumulators.hpp:21:
[some_other_path]/boost/accumulators/framework/parameters/weights.hpp:17:1:
warning: unused variable 'weights' [-Wunused-variable]
BOOST_PARAMETER_KEYWORD(tag, weights)
                                                            ^
I am using boost 1_43 and working on a very recent svn build of clang (less
than 3 days old).
Please let me know if I can give any additional information

Romain


On Fri, Sep 3, 2010 at 5:57 PM, Douglas Gregor <dgregor at apple.com> wrote:

>
> On Sep 3, 2010, at 8:15 AM, Romain Pechayre wrote:
>
> > Hello all,
> >
> > I've been using clang for a few days to build c++ code at work, and I
> really enjoy it !
> > I am almost ready to drop my gcc build config (debug), but I am having a
> lot of warning !
> >
> > As I am manually passing path to the right includes using
> -I/path-to-stl-headers, I get a few warning on stl headers that are repeated
> again and again.For example, I get a warning for some template
> specialisations saying that a struct is already declared whereas it is a
> template specialisation.
> > Is this something expected ? Can I fix it by hardcoding the path as
> explained on clang website ?
> >
>
> You can use -isystem instead of -I.
>
> > In addition to that, I get a lot of warning from boost macros, since
> clang is telling me that an argument (say "weights") is unused, whereas it
> is actually used as part of the name of a struct. So I was wondering it
> these warnings where real ones or it there was something wrong ...
>
> Can you show us the specific warning that you're seeing?
>
>        - Doug
>
>
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