Executing of C++ arm code in Eclipse fails

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Pavel Yermolenko

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Sep 23, 2020, 9:55:58 AM9/23/20
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Hello,

In his book "Exploring BeagleBone", Derek Molloy provides example of executing of the source code that built on host machine using cross toolchain. For that QEMU emulator must be installed on host machine.

In terminal it works fine when a source is built with -static option:

pavel@ALABAMA:~/bbb_cross_toolchain_code$ arm-linux-gnueabihf-g++ -static testcross.cpp -o testcross
pavel@ALABAMA:~/bbb_cross_toolchain_code$ ./testcross
Testing cross compilation for armhf
pavel@ALABAMA:~/bbb_cross_toolchain_code$

But in Eclipse it doesn't work although I added -static in cross-compiler options.

Screenshot from 2020-09-23 15-46-33.png


Screenshot from 2020-09-23 15-47-45.png


Any comments ?

Thanks.



Robert Nelson

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Sep 23, 2020, 10:12:49 AM9/23/20
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For some reason the images didn't show up in mail..

/lib/ld-linux-armhf.so.3: No such file or directory

Regards,

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Robert Nelson
https://rcn-ee.com/

Pavel Yermolenko

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Sep 23, 2020, 10:18:17 AM9/23/20
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Here is execution in eclipse:

Here is Eclipse compiler options:

On Wednesday, September 23, 2020 at 4:12:49 PM UTC+2, RobertCNelson wrote:

Pavel Yermolenko

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Sep 23, 2020, 10:32:39 AM9/23/20
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Resolved.
-static isn't compiler, but linker option.
Regards.

Pavel Yermolenko

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Sep 23, 2020, 10:50:09 AM9/23/20
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jonnymo

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Sep 23, 2020, 11:02:35 AM9/23/20
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Did you look on the book website?

Look at the response by Brendan Lynskey regarding adding the following in your "~/.bashrc"
   export QEMU_LD_PREFIX=/usr/arm-linux-gnueabihf  

You could do this on the command line as well but it will not be persistent between logins.

Jon

On Wed, Sep 23, 2020 at 7:50 AM Pavel Yermolenko <py.o...@sunrise.ch> wrote:

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jonnymo

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Sep 23, 2020, 11:15:43 AM9/23/20
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Sorry, I see you already solved this and the link I provided was for the Pi and BB.
There is a message fairly recently at the BB version of the book regarding this issue:

Jon
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