Re: [ts-7000] Re: Qt/Embedded - almost there!

[Scott Zimmerman <>]

Good tip on the ldd script!

I had to make one more modification to get it to run besides the one you noted.  There is a test for "pipefail" that was causing it to fail.  I commented out the if and just let try_trace be defined normally and got it working.  The results look like this:

/mnt/root/usr/bin # ldd /mnt/root/qhw
/mnt/root/qhw: /lib/libstdc++.so.6: version `CXXABI_ARM_1.3.3' not found (requir
ed by /usr/local/Trolltech/QtEmbedded-4.4.3-arm/lib/libQtGui.so.4)
/mnt/root/qhw: /lib/libdl.so.2: version `GLIBC_2.1' not found (required by /usr/
local/linux-arm/lib/libts-0.0.so.0)
/mnt/root/qhw: /lib/libdl.so.2: version `GLIBC_2.0' not found (required by /usr/
local/linux-arm/lib/libts-0.0.so.0)
/mnt/root/qhw: /lib/libc.so.6: version `GLIBC_2.1.3' not found (required by /usr
/local/linux-arm/lib/libts-0.0.so.0)
/mnt/root/qhw: /lib/libc.so.6: version `GLIBC_2.1' not found (required by /usr/l
ocal/linux-arm/lib/libts-0.0.so.0)
/mnt/root/qhw: /lib/libc.so.6: version `GLIBC_2.0' not found (required by /usr/l
ocal/linux-arm/lib/libts-0.0.so.0)
/mnt/root/qhw: /lib/libstdc++.so.6: version `CXXABI_ARM_1.3.3' not found (requir
ed by /usr/local/Trolltech/QtEmbedded-4.4.3-arm/lib/libQtNetwork.so.4)
/mnt/root/qhw: /lib/libstdc++.so.6: version `CXXABI_ARM_1.3.3' not found (requir
ed by /usr/local/Trolltech/QtEmbedded-4.4.3-arm/lib/libQtCore.so.4)
        libQtGui.so.4 => /usr/local/Trolltech/QtEmbedded-4.4.3-arm/lib/libQtGui.
so.4 (0x2aad1000)
        libts-0.0.so.0 => /usr/local/linux-arm/lib/libts-0.0.so.0 (0x2b304000)
        libQtNetwork.so.4 => /usr/local/Trolltech/QtEmbedded-4.4.3-arm/lib/libQt
Network.so.4 (0x2b30e000)
        libQtCore.so.4 => /usr/local/Trolltech/QtEmbedded-4.4.3-arm/lib/libQtCor
e.so.4 (0x2b3b6000)
        librt.so.1 => /lib/librt.so.1 (0x2b63d000)
        libdl.so.2 => /lib/libdl.so.2 (0x2b64c000)
        libpthread.so.0 => /lib/libpthread.so.0 (0x2b657000)
        libstdc++.so.6 => /lib/libstdc++.so.6 (0x2b676000)
        libm.so.6 => /lib/libm.so.6 (0x2b72a000)
        libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x2b7da000)
        libc.so.6 => /lib/libc.so.6 (0x2b7ee000)
        /lib/ld-linux.so.3 (0x2aaab000)
/mnt/root/usr/bin #

I haven't quite been able to decypher this yet, but I'm working on it.

Thanks again for the tip,

...Zz

On Wed, Aug 19, 2009 at 5:12 PM, doogul <> wrote:

 

--- In ts-7000%40yahoogroups.com, Scott Zimmerman <> wrote:

> Now when I run any of the ts_XXX apps I get "Illegal instruction" instead of
> the previous errors. May have to try to hook up a debugger to figure that
> out.

The only thing I can think of off the top of my head is that your busybox is still OABI, but that shouldn't matter as far as I know. But I can tell you that while we were setting up a similar thing, we did recompile busybox using our EABI compiler and replaced the busybox binary in the initrd. Still, it probably shouldn't matter.

> As for the lib error, I verified that I copied the sys-root/libs over to my
> NFS mount. So now I think I might have blown something when I built Qt. I
> may have to try rebuilding that to be certain.

Hmm, interesting. Just a thought: in your sys-root directory in your cross toolchain, in the usr/bin directory there's a script called "ldd". Modify it so that the first line goes to /bin/sh, and then put it on your 7390 and do:

ldd YourProgram

That'll tell you what shared libraries your program is trying to use. I'd verify to make sure everything it's trying to load is stuff that you compiled.

> In any case, I'm going to keep at it. When I do a mount from the fastboot
> prompt, it looks like everything it mounted rw. So I'm not sure which ro
> volume Qt is going to have troubles with.

I think the problem we ran into there was that the rootfs in fastboot is a 4MB initrd with a limited number of inodes, and we'd filled it up. So we had to mount a separate ramdisk of some kind to hold the temporary files. YMMV. :)

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