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[SOLVED] Problem while installing ROS module on FORTE [message #1854228]

Mon, 08 August 2022 14:01

Damien Snow

Messages: 4
Registered: May 2022

Junior Member

Hello,

I followed this doc: https://www.eclipse.org/4diac/documentation/html/communication/ros.html to use ros topic communication with 4diac but I got an error.

At step 4 (run make in build directory), I got the error: error: cannot use 'typeid' with '-fno-rtti'

I think the problem come from step 3 because when I exec cmake-gui , there is FORTE_RTTI_AND_EXCEPTIONS variable to set on True. I tried to create the variable and to run config and generate but the variable disappear every time.

Do you have a solution for this problem?

Thank you in advance!
Damien

PS: The "basic" configuration is working (https://www.eclipse.org/4diac/en_help.php?helppage=html/installation/install.html#4DIAC-FORTE) and the error appear when I add FORTE_COM_ROS=True and FORTE_MODULE_ROS=True .
PPS: I am under Ubuntu 20.04 and I use ROS noetic

[Updated on: Wed, 10 August 2022 07:45]

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Re: Problem while installing ROS module on FORTE [message #1854231 is a reply to message #1854228]

Mon, 08 August 2022 15:36

Alois Zoitl

Messages: 1584
Registered: January 2014

Senior Member

Hi,

the FORTE_RTTI_AND_EXCEPTIONS config variable is provided by the CMake config files when the architecture posix (which you need for ROS) is activated. However this option is marked as advanced option. Cmake GUI per default hides this option. You need to tick the advanced check box in CMale GUI.

I hope this helps.

Cheers,
Alois

PS: please note the ROS module has not been maintained for a longer time so it could be that you have to update some of the code there.

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Re: Problem while installing ROS module on FORTE [message #1854250 is a reply to message #1854231]

Tue, 09 August 2022 07:58

Damien Snow

Messages: 4
Registered: May 2022

Junior Member

Thank you for this answer! I completely forgot to look in the advanced variable and, you were right, it solved the problem.

Now I got a new error about the reapp_msgs repository that is missing. I think this message is available on ROS Indigo but not on ROS Noetic so I will may be have to modify this part.

I just have a last question, Is the MQTT com module maintained? If I got too much trouble with the ROS module, I will try to use the MQTT one instead!

Thank again,
Damien

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Re: Problem while installing ROS module on FORTE [message #1854267 is a reply to message #1854250]

Tue, 09 August 2022 17:55

Alois Zoitl

Messages: 1584
Registered: January 2014

Senior Member

Yes MQTT is actively maintained and used by many. We also have a patch in the making that will allow you to connect to more then one broker. Will hopefully come soon.

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