Re: nvme.c:2012:2: error: call to undeclared function 'memmove'

Ian FREISLICH wrote:
> My kernel build started failing recently with the following error. I use
> a custom kernel config but looking at NOTES, it's not clear that I've
> missed an option that would make it compile.
> 
> In file included from /usr/src/sys/dev/nvme/nvme_util.c:34:
> /usr/src/sys/dev/nvme/nvme.h:2012:2: error: call to undeclared function
> 'memmove'; ISO C99 and later do not support implicit function
> declarations [-Werror,-Wimplicit-function-declaration]
>  2012 |         memmove(sn, cdata->sn, NVME_SERIAL_NUMBER_LENGTH);
>       |         ^
> 1 error generated.
> *** Error code 1
> 
> I've also tried compiling after blowing away usr/obj.

It seems to be the following commit:

https://cgit.freebsd.org/src/commit/?id=8d2a50bb38051fefeb1427fdbfd249f2829310d8

And it was reported:

https://lists.freebsd.org/archives/dev-commits-src-main/2025-November/037599.html