musl defines HOST_NAME_MAX to 255, even though a nodename in Linux can only be 64 characters in length. Use the literal value instead of . --- elogind-252.9/src/basic/hostname-util.c.old 2023-05-15 06:35:29.000000000 -0500 +++ elogind-252.9/src/basic/hostname-util.c 2023-11-27 06:45:02.637584076 -0600 @@ -128,8 +128,8 @@ if (hyphen) return false; - if (p-s > HOST_NAME_MAX) /* Note that HOST_NAME_MAX is 64 on Linux, but DNS allows domain names up to - * 255 characters */ + if (p-s > 64) /* Note that HOST_NAME_MAX is 64 on Linux, but DNS allows domain names up to + * 255 characters */ return false; return true;