The branch main has been updated by pkubaj (ports committer):

URL: 
https://cgit.FreeBSD.org/src/commit/?id=83bf6ab568293e325f437342cdb87a626353e27c

commit 83bf6ab568293e325f437342cdb87a626353e27c
Author:     Piotr Kubaj <pku...@freebsd.org>
AuthorDate: 2022-12-11 03:01:44 +0000
Commit:     Piotr Kubaj <pku...@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) {

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