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RE: [Ltib] host side questions

From: Rodney Lott
Subject: RE: [Ltib] host side questions
Date: Fri, 19 Nov 2010 14:16:26 -0500

Hi, Aaron and Bruce.

I'm a little new to things so let me ask a clarifying question regarding installing a host side package.  Let's say a package I am creating needs a newer version of autoconf and intltool, but I don't want to break any of the existing packages by updating the autoconf.spec.  So, would the steps be as follows?

1. Create (let's say) a autoconf-2.61.spec in the dist/lfs-5.1/autoconf directory.
2. Build it with ./ltib -p autoconf-2.61.spec
3. Edit the config/platform/host/{pkg_map,packages.lkc} to add my spec file and such.
4. Run ./ltib -m config --hostcf to select and ./ltib --hostcf to refresh.

Is there a document somewhere that talks about the difference between host side and target side configuration in more detail?


Rodney Lott

-----Original Message-----
From: address@hidden on behalf of Aaron Wegner
Sent: Fri 11/19/2010 1:32 PM
To: Bruce
Cc: address@hidden
Subject: Re: [Ltib] host side questions

That doesn't seem like too bad of a hack to me.  You could also install
your host side package using the LTIB in a location that doesn't overwrite
the other tools, and just be explicit with your path by making it
absolute.  Also, if your spec file sets the PATH you won't need to reset
it since it doesn't get carried over to the next spec file.

You install host side packages like

./ltib --hostcf

That's assuming you've correctly edited
config/platform/host/{pkg_map,packages.lkc} and put your spec file
somewhere where LTIB can find it, i.e. dist/lfs-5.1, and then you run

./ltib -m config --hostcf

to select it.

You can check what's installed on your host side like

sudo /opt/ltib/usr/bin/rpm --root / --dbpath /opt/ltib/var/lib/rpm -qa


> Hey Aaron,
> I have a similar question out as well.
> If you have a package that needs to use a specific version of host tools
> (or
> a new one) that may break the rest of the build if you update it, I have
> installed it onto my host separately from ltib. In your .spec file you can
> explicitly call the tool like /usr/bin/foo. Normally, ltib has it's spoof
> path first (in my case it's /opt/ltib/usr/bin or whatever).  So if you
> call
> 'foo' in your spec file it finds ltib's version first. Or you can pre-pend
> the PATH to find your tools before ltib.
> You can capture the path before modifying it:
> PATH=/usr/bin:$PATH
> ... use your tools...
> .. Reset the path...
> OK. Is that a hack? Sorry... But it works and confines it to just one
> package.
> I would be careful about making a global change that affects all the
> package
> builds;) could get ugly!
> Thanks,
> Bruce
> On Fri, Nov 19, 2010 at 8:34 AM, Aaron Wegner <address@hidden> wrote:
>> Hi Stuart.  I was wondering if there is a way to add a package to the
>> host
>> side without modifying the following files.
>> ltib/config/platform/host/ltib.preconfig
>> ltib/config/platform/host/packages.lkc
>> ltib/config/platform/host/pkg_map
>> Also, is it possible to have a host-side spec file that is not in
>> dist/lfs-5.1?  I've got my build down to only having to put one new
>> directory into the LTIB, which is for my board,
>> config/platform/my-board.
>> I like that because I can update the LTIB as much as I want and not have
>> to touch the files I introduced.  I guess I was thinking it might be
>> nice
>> to be able to add additional stuff to the host side by putting files in
>> a
>> separate area like I do for the target side with the files
>> config/platform/my-board/{*.spec,packages.lkc,pkg_map,defconfig}
>> I noticed that when configuring the host-side the LTIB will not check
>> the
>> my-board directory for spec files.  I guess that makes sense since the
>> LTIB builds the host packages before you even select your platform, but
>> maybe there could be an area to put non-standard host side mods.  Also,
>> it
>> seems like
>> ./ltib --hostcf -m listpkgsbuild
>> returns the packages of the target side.  I have to issue the rpm
>> command
>> to view the packages installed on the host side.
>> Thanks,
>> Aaron
>> > Hi Carolyn,
>> >
>> >    It's a different problem, we are talking about the LPC31xx NXP
>> > processor MMC support,
>> > that seems to be broken with NXP last patches (not related to
>> MPCxxxxx)
>> >
>> >    For your case, dont know, try to make an ext2 partition (using
>> fdisk,
>> > and then mkfs.ext2) on the SD
>> > card and put your rootfs inside, then at boot pass the boot parameters
>> > to kernel(for the 1st partition):
>> > root=/dev/mmcblk0p1 rootdelay=2
>> >
>> >
>> > Good luck!
>> > El 17/11/2010 17:42, Reer, Carolyn (SA-1) escribió:
>> >>
>> >> This sounds like same problem I am having:
>> >>
>> >> Has anyone booted the kernel from SDHC card?
>> >>
>> >> I have 2.6.28 kernel built for Freescale MPC8536E and booting from
>> NFS.
>> >>
>> >> I would like to copy the kernel & file system over to SD card to
>> >> eliminate NFS from my Ethernet traffic timing tests.
>> >>
>> >> I have tried 2-4GB SDHC cars and they are pre-formatted with W95
>> FAT16
>> >> partitions.
>> >>
>> >> I can mount the partition:
>> >>
>> >> mount /dev/mmcblk0p1 /mnt/tmp/
>> >>
>> >> But I can't write to it.
>> >>
>> >> I tried using fdisk to delete the partition and make a new linux
>> >> partition; tried changing the FAT16 partition to linux partition.
>> >>
>> >> But I can't save the changes.%0
>> _______________________________________________
>> LTIB home page:
>> Ltib mailing list
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