How to configure eclipse with ns3

Naveena Mangal

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Feb 9, 2024, 5:24:35 AM2/9/24

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Hi,
I installed eclipse IDE and ns3.36 today. Please help me configure eclipse with ns-3.
I found very old videos and websites which are of no use today I guess.
Also, I am not able to find ns-3-dev file.
Can anyone help please?

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Naveena

Tommaso Pecorella

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Feb 9, 2024, 9:02:07 AM2/9/24

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https://www.nsnam.org/docs/installation/html/index.html

As for Eclipse, I can't help. I happily did put it in the bin and erased it. Suggested alternative: VSCode, https://vscodium.com, or CLion.

Gabriel Ferreira

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Feb 10, 2024, 2:21:12 PM2/10/24

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ns-3.36 uses CMake, so you can follow these.
https://gabrielcarvfer.github.io/NS3/installation/eclipse

Only upstreamed VsCode and CLion documentation because they natively support CMake projects, and XCode due to requests.

Wasif Sardar

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Feb 12, 2024, 1:18:59 AM2/12/24

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If there is no specific reason for using eclipse IDE then I would suggest VSCode as it has CMake support and powerful debugger.

For installation and debugging, see the installation guide attached herewith.

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Installing VScode and Debugger.pdf

Naveena Mangal

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Feb 12, 2024, 4:10:15 AM2/12/24

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Thank you all.
I will follow these suggestions. For other doubts I will come back for sure :)

Message has been deleted

Naveena Mangal

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Feb 12, 2024, 7:34:46 AM2/12/24

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Hi Wasif,

I followed the installation guide and tried debugging. However, I get the error "ns3.36.1-first-debug doesn't exist".\

Please guide me.

I have attached the screenshot of launch.json

Screenshot from 2024-02-12 13-25-29.png

Tommaso Pecorella

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Feb 12, 2024, 9:05:49 AM2/12/24

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Wassif's instructions are good for a recent-enough ns-3 release (3.36.1 doesn't classify as "recent"). Plus, the answer is in your computer.

I'm assuming that you did compile ns-3 successfully (if not, well, that's the reason for any error).

Now, go to the directory "build/scratch" (or any other subdirectory of "build" containing an executable) and look at the file names.

You'll probably find that the executables have a different pattern than the one in launch.json, like ending in "-default" instead of "-debug". That name part is dependent on the build type.

Now you should be able to figure out what to do.

If you had a more recent ns-3, this would have been taken care of by the updates scripts. But you don't.