GDB 8.1 build error

Pedro Alves palves@redhat.com
Fri Apr 27 20:41:00 GMT 2018


On 04/27/2018 09:16 PM, Simon Marchi wrote:

> On clang at least, -Wnarrowing seems to generate an error by default, so -w doesn't affect it.  You get:
> 
>   no flag: error
>   -Wno-error=narrowing: warning
>   -Wno-error=narrowing -w: silent
> 
> So in this case, we would still need either -Wno-error=narrowing or -Wno-narrowing.
> 
> We can test if gcc behaves the same, we just need something that is an error by default but we can downgrade to a warning.  Do you have an idea of such diagnostic?

-Wnarrowing is on by default on gcc, and -w disables it.

Thanks,
Pedro Alves



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