Re: git: 83bf6ab56829 - main - uname: switch machine to HW_MACHINE_ARCH

From: Cy Schubert <Cy.Schubert_at_cschubert.com>
Date: Sun, 11 Dec 2022 14:37:24 UTC
In message <202212111208.2BBC835O095410@gitrepo.freebsd.org>, Piotr Kubaj 
write
s:
> The branch main has been updated by pkubaj (ports committer):
>
> URL: https://cgit.FreeBSD.org/src/commit/?id=83bf6ab568293e325f437342cdb87a62
> 6353e27c
>
> commit 83bf6ab568293e325f437342cdb87a626353e27c
> Author:     Piotr Kubaj <pkubaj@FreeBSD.org>
> AuthorDate: 2022-12-11 03:01:44 +0000
> Commit:     Piotr Kubaj <pkubaj@FreeBSD.org>
> CommitDate: 2022-12-11 12:05:39 +0000
>
>     uname: switch machine to HW_MACHINE_ARCH
>     
>     On powerpc64, powerpc64le and riscv64 some software wrongly assumes that
>     it runs on powerpc or riscv (32-bit).
>     
>     Differential revision:  https://reviews.freebsd.org/D35962
>     Approved by:    alfredo, imp
> ---
>  lib/libc/gen/__xuname.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/lib/libc/gen/__xuname.c b/lib/libc/gen/__xuname.c
> index fba5eaeebc88..bd328d4f880f 100644
> --- a/lib/libc/gen/__xuname.c
> +++ b/lib/libc/gen/__xuname.c
> @@ -127,11 +127,11 @@ __xuname(int namesize, void *namebuf)
>  	}
>  	q += namesize;
>  
> -	if ((p = getenv("UNAME_m")))
> +	if ((p = getenv("UNAME_p")))
>  		strlcpy(q, p, namesize);
>  	else {
>  		mib[0] = CTL_HW;
> -		mib[1] = HW_MACHINE;
> +		mib[1] = HW_MACHINE_ARCH;
>  		len = namesize;
>  		oerrno = errno;
>  		if (sysctl(mib, 2, q, &len, NULL, 0) == -1) {
>

This probably needs to go into RELNOTES at some point. Though small it's 
significant enough to document.


-- 
Cheers,
Cy Schubert <Cy.Schubert@cschubert.com>
FreeBSD UNIX:  <cy@FreeBSD.org>   Web:  https://FreeBSD.org
NTP:           <cy@nwtime.org>    Web:  https://nwtime.org

			e^(i*pi)+1=0