[U-Boot] [PATCH] Enable expression support for CONFIG_BOARD_SIZE_LIMIT

[Fabio Estevam]

On Thu, Dec 6, 2018 at 12:44 PM Andy Pont <andy.pont at sdcsystems.com> wrote:
>
> Fabio wrote...
>
> $ /bin/sh --version
> /bin/sh: 0: Illegal option --
>
> In my system /bin/sh points to bash:
> $ ls -al /bin/sh
> lrwxrwxrwx 1 root root 4 mai  2  2018 /bin/sh -> dash
>
> Just to pick up on the obvious… /bin/sh is showing as linked to dash not bash!

Yes, I meant bash.

>
> Using (( … )) for arithmetic expansion is a bashism [1]

Correct:
$ cat random.sh
#!/bin/sh
echo $(($RANDOM % 10))
$ checkbashisms random.sh
possible bashism in random.sh line 2 ($RANDOM):
echo $(($RANDOM % 10))