Date: Wed, 19 Nov 2025 14:50:41 -0500 From: Ian FREISLICH <ianfreislich@gmail.com> To: Minsoo Choo <minsoochoo0122@proton.me> Cc: FreeBSD Current <current@freebsd.org> Subject: Re: nvme.c:2012:2: error: call to undeclared function 'memmove' Message-ID: <60449f55-58e7-4f8b-aa0e-3f288dab5146@gmail.com> In-Reply-To: <M3bbYahqeDlLQCLnCmns8l9CbUCowcNRDFhkazE3oMEkZIQk9PZSJGHipQeEwSERs285Tqez72g5lK0iVmITrxQHnLJiBouXyuKWgK3lUtE=@proton.me> References: <814ce2bc-2a95-444b-9ab7-7e680a024c68@gmail.com> <M3bbYahqeDlLQCLnCmns8l9CbUCowcNRDFhkazE3oMEkZIQk9PZSJGHipQeEwSERs285Tqez72g5lK0iVmITrxQHnLJiBouXyuKWgK3lUtE=@proton.me>
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On 11/19/25 14:24, Minsoo Choo wrote: > On Wednesday, November 19th, 2025 at 2:19 PM, Ian FREISLICH <ianfreislich@gmail.com> 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. >> >> Ian > > memmove is declared in systm.h, but I don't see include statement for systm.h in nvme.h. Could you try including <sys/systm.h> in sys/dev/nvme/nvme.h and build again? It builds with that, but coincidentally GENERIC builds without that change. Ian
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