Re: Buildworld fatal error: 'byteswap.h' file not found on armv7

Please see https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=273736 for one
possible solution,
though it focuses on 13.x.

Warner

On Mon, Jan 6, 2025 at 1:08 PM bob prohaska <fbsd@www.zefox.net> wrote:

> As an experiment I've tried to build -current and 14.2-stable
> on a Pi2 v1.1 running 12.4-stable. I know it's not considered
> good practice to hop that far, but I wanted to see for myself.
>
> I thought it would at least compile, since I have another Pi2v1.1
> which has been tracking -current and is presently up-to-date.
>
> However, the build fails in both buildworld and toolchain, with
> /usr/src/contrib/file/src/apprentice.c:54:10: fatal error: 'byteswap.h'
> file not found
> #include <byteswap.h>
>          ^~~~~~~~~~~~
>
> The missing file is actually present:
> root@pelorus:/usr/src # find . -name byteswap.h -depth -print
> ./contrib/llvm-project/libcxx/include/__bit/byteswap.h
> ./contrib/ofed/include/byteswap.h
> ./include/byteswap.h
> root@pelorus:/usr/src #
>
> It's a little hard to see how using 12.4 might cause this sort of error.
> The source directory is a fresh clone.
>
> Is this an expected failure mode? If there's an easy workaround I'd like
> to try, but if not it's no big deal, I'll just reflash the microSD.
>
> Thanks for reading, and any insights.
>
> bob prohaska
>
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