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Newcomers AppGameKit Corner / [Linux] How to fix a "/usr/lib/ version `CURL_OPENSSL_3' not found" error (Trial Version)

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Joined: 12th Nov 2020
Location: Down the back of the sofa
Posted: 14th Nov 2020 17:54 Edited at: 14th Nov 2020 18:29
I don't know if this compilation bug effects the trial version of AppGameKit only or the full version (as I haven't purchased it yet) but if when using the AppGameKit IDE debugger you get the error
Quote: "/usr/lib/ version `CURL_OPENSSL_3' not found"

you can solve the problem with the following steps:

1. Go to and download the latest version of curl (7.73 at time of writing).
2. Extract the archive you just downloaded (it will create its own folder wherever you extract it).

3. Change directory into the extracted folder and run the configure script.

4. Run cmake on the current directory (you may have to install cmake first).

(The '.' is important, it specifies the current directory.)
5. Run make on the current directory.

6. We need to overwrite /usr/lib/ so let's make a backup of it just in case

7. Now you will find a newly created "" file in the lib directory. Copy it to /usr/lib overwriting

Now AppGameKit should compile. You will get a new error: "no version information available" but it doesn't seem to cause any problems, and I ran a system update before posting to check this fix did not break curl.
TGC Development Director
Years of Service
User Offline
Joined: 27th Apr 2000
Location: United Kingdom
Posted: 3rd Dec 2020 21:28

This is fixed in the latest paid version. At some point we will need to update the trial.
Development Director
TGC Team

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