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Cross compiled binary doesn't work [message #1816595]

Fri, 01 November 2019 06:07

Vishnu Easwaran E

Messages: 19
Registered: August 2017

Junior Member

Hi everyone,

I have made a setup with a Pi zero W as the PLC ad have been playing with it for sometime. Yesterday, I tried creating a new FB, a basic FB- the exact same one as in the documentation and cross compiled forte for the first time. Till now I used to compile it within the Pi.

The cross compiled forte isn't working though! I guess this issue s somehow related to what I observed and posted in the forum a while back(link).

So, now as this is not working is there anyway to compile it within the Pi by making corresponding CMakeLists ??

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Re: Cross compiled binary doesn't work [message #1816605 is a reply to message #1816595]

Fri, 01 November 2019 10:09

Alois Zoitl

Messages: 1585
Registered: January 2014

Senior Member

Hi,
strange that cross compiling is not working here. Maybe the Pi Zero needs a special toolchain or special compiler/linker flags.

Yes you can compile also on your Pi. You need to have Cmake and the compilers setup there. Cmake is fully text configurable and command-line configurable. As starting point I would recommend to use the setup_posix.sh script, as it generates a base setup. You can then either change this script with your additional cmake options (look for the line where cmake is invoked) or after you have run the script you will find a CMakeCache.txt in your build directory. There you can also adjust all build options for 4diac.

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Re: Cross compiled binary doesn't work [message #1816606 is a reply to message #1816605]

Fri, 01 November 2019 10:19

Vishnu Easwaran E

Messages: 19
Registered: August 2017

Junior Member

That could be the case. Regarding compiling in Pi, yes I have been doing the same till now. How to add the external modules is what I have to figure out.

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