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Beaglebone: Cross-eix-sync...how?
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mcc2
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Joined: 06 Sep 2012
Posts: 25

PostPosted: Thu Nov 29, 2012 7:16 pm    Post subject: Beaglebone: Cross-eix-sync...how? Reply with quote

Hi,

setting up a crosscompiling toolchain, with which it is possible
to crosscompile software and to emerge software for the NFS-mounted
rootfs of my beaglebone was successful.

But there is one thing left:
Since I still have to natively eix-sync on my beagle, I want to know:
How can I cross-emerge-sync with this setup?

Thank you very much in advance for any help!
Best regards,
mcc
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NeddySeagoon
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PostPosted: Thu Nov 29, 2012 8:22 pm    Post subject: Reply with quote

mcc2,

You share /usr/portage over NFS too.

My Raspberry Pi has the following /etc/fstab
Code:
# <fs>                                  <mountpoint>    <type>          <opts>          <dump/pass>

# NOTE: If your BOOT partition is ReiserFS, add the notail option to opts.
/dev/mmcblk0p1                          /boot           vfat            noauto,noatime  1 2
192.168.10.30:/var/armv6j               /               nfs             noatime         0 0
192.168.10.30:/usr/portage              /usr/portage    nfs             noatime         0 0
/dev/mmcblk0p2                          none            swap            sw              0 0
/dev/mmcblk0p3                          /home           ext2            noatime,nodev   0 0

#/dev/cdrom                             /mnt/cdrom      auto            noauto,ro       0 0
#/dev/fd0                               /mnt/floppy     auto            noauto          0 0

devpts                                  /dev/pts        devpts          defaults        0 0

The NFS host has the following /etc/exports
Code:
# /etc/exports: NFS file systems being exported. See exports(5).
#/usr/armv6j-hardfloat-linux-gnueabi    192.168.100.0/24(rw,no_root_squash,no_all_squash,async,no_subtree_check)

# root fs for Raspberry Pi
/var/armv6j                             192.168.10.0/24(rw,no_root_squash,no_all_squash,async,no_subtree_check)

# shared portage and distfiles between host and Raspberry Pi
# packages is in /usr/packages to avoid arch collisions
/usr/portage                            192.168.10.0/24(rw,no_root_squash,no_all_squash,async,no_subtree_check)

So far so good /usr/portage is the same filesystem on both the Pi (ARM) and the NFS host (amd64). But you need to take care with /usr/portage/packages. That must not be shared, as You won't want a mix of host and target binary packages there. On both systems you must move /usr/portage/packages out of /usr/portage. The are some statements in make.conf to do that.

Now when you
Code:
 emerge --sync
on either system, the portage tree is updated for them both.
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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