Re: test if compiler warns

[Peter Johansson]

Hi again,

I found AC_LANG_WERROR which seems to do what I want.

I also found this discussion on how to revert AC_LANG_WERROR
http://lists.gnu.org/archive/html/autoconf/2007-04/msg00030.html
but guess that discussion died.

Cheers,
Peter

On 7/21/12 7:26 PM, Peter Johansson wrote:
> Hi autoconfers,
>
> In one of my projects, we noticed that some versions of g++ does not 
> recognize option '-pthread', but gives a warning
>
> i686-apple-darwin8-g++-4.0.1: unrecognized option '-pthread'
>
> Now I'd like to test this at configure time, so I wonder if there is a 
> good mechanism to test if compiler is complaining to stderr.
> Or do I need to write a low-level macro myself for this?
>
> Thank you.
>
> Peter
>
>
>
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--
Peter Johansson