how to detect compiler warning

[Miklos Vajna]

Hi Winfried,

On Fri, Jan 31, 2014 at 08:12:54AM +0100, Winfried Donkers <W.Donkers at dci-electronics.nl> wrote:
> Did you find a situation where fLastPos would be without valid value, or is just to get rid of the warning?
> In the latter case, how do you find this warning in the long, long list of make output? If I know how too, I may be able to catch these warnings before submitting patches :)

Just use:

./autogen.sh --enable-werror

and then any warning from your compiler will fail your build, making
sure you don't introduce new warnings without noticing them.

Miklos
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