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Date: Mon, 4 Nov 2002 10:06:26 +1100
From: Peter Jeremy <peterjeremy@optushome.com.au>
To: Jake Burkholder <jake@locore.ca>
Cc: freebsd-stable@FreeBSD.ORG
Subject: Re: installworld from a cross-buildworld
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On Sun, Nov 03, 2002 at 05:19:46PM -0500, Jake Burkholder wrote:
>Apparently, On Mon, Nov 04, 2002 at 08:28:10AM +1100,
>       Peter Jeremy said words to the effect of;
>
>> I have a fast x86 machine and a slow Alpha so I'd like to be able to
>> do the Alpha buildworlds on the x86 and then install via NFS.
...
>The only way I've found to do this is to nfs mount the filesystems of
>the target machine on the build machine and do the installworld with
>DESTDIR=/path/to/nfs/mount.  ie:
>
>       make buildworld TARGET_ARCH=sparc64
>       mount sparc64:/ /mnt (etc)
>       make installworld TARGET_ARCH=sparc64 DESTDIR=/mnt

I just tried this.  It fails because NFS doesn't support flags:
asv400# ls -lo /usr/lib/libcrypt.so.2
-r--r--r--  1 root  wheel  schg 47202 Nov  4 09:29 /usr/lib/libcrypt.so.2
asv400#

server# ls -lo /mnt/usr/lib/libcrypt.so.2
-r--r--r--  1 root  wheel  - 47202 Nov  4 09:29 /mnt/usr/lib/libcrypt.so.2
server# install -s -o root -g wheel -m 444 -fschg /usr/obj/alpha/home/src4/lib/libcrypt/libcrypt.so.2 /mnt/usr/lib
install: /mnt/usr/lib/libcrypt.so.2: Permission denied
server#

Even if I remove the schg flag on the Alpha, I can't set it from the x86
box:
server# install  -o root -g wheel -m 444 -fschg /usr/obj/alpha/home/src4/lib/libcrypt/libcrypt.so.2 /mnt/usr/lib
install: /mnt/usr/lib/libcrypt.so.2: chflags: Operation not supported
server#

I can't see anything obvious in mount_nfs(8) and I've tried both NFSv2
and NFSv3 on the off-chance that one would work.  I've even tried
studying the source - which includes the following in both -stable
and -current:

nfs_setattr(struct vop_setattr_args *ap)
{
...
        /*
         * Setting of flags is not supported.
         */
        if (vap->va_flags != VNOVAL)
                return (EOPNOTSUPP);
...

What's your trick to bypass this?

>You really don't want to forget to set DESTDIR when doing this.

That would definitely cause problems :-(.

Peter

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