Re: [PATCH] scripts : mksysmap : NM variable missed the value,so fixed

From: Randy Dunlap
Date: Thu Oct 17 2019 - 11:48:08 EST


On 10/17/19 3:25 AM, Bhaskar Chowdhury wrote:
> This patch will provide the missing value for NM variable.
>

Hi,

Does this patch fix some build error that you have encountered?
If so, please describe it and how to cause it.


> Signed-off-by: Bhaskar Chowdhury <unixbhaskar@xxxxxxxxx>
> ---
> TO all,
> Adjusted the subject line, missed in previous one,sorry
>
> scripts/mksysmap | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/mksysmap b/scripts/mksysmap
> index a35acc0d0b82..4b2f45c45f14 100755
> --- a/scripts/mksysmap
> +++ b/scripts/mksysmap
> @@ -40,5 +40,5 @@
> # 'W' or 'w'. __crc_ are 'A' and placed in the middle
> # so we just ignore them to let readprofile continue to work.
> # (At least sparc64 has __crc_ in the middle).
> -
> +NM=$(which nm)

That's not the POSIX way to do that. It should be

NM=$(command -v nm)

But why is this needed at all?
The top-level Makefile exports the NM variable (and many more) to scripts
that it calls.

> $NM -n $1 | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)\|\( .L\)' > $2
> --
> 2.21.0
>


--
~Randy