Re: [[PATCH v2 for-4.14]] m4: use test instead of []

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

There's a double [] enclosure in the subject

On Tue, Jun 02, 2020 at 09:01:38AM +0000, Wei Liu wrote:
> It is reported that [] was removed by autoconf, which caused the
> following error:
> 
>   ./configure: line 4681: -z: command not found
> 
> Switch to test. That's what is used throughout our configure scripts.
> Also put the variable expansion in quotes.
> 
> Signed-off-by: Wei Liu <wl@xxxxxxx>
> Reported-by: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>
> Fixes: 8a6b1665d987 ("configure: also add EXTRA_PREFIX to {CPP/LD}FLAGS")
> Signed-off-by: Wei Liu <wl@xxxxxxx>

There's a double SoB ;)

Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Thanks for taking care of this.