Ubuntu 22.04 with Qt 6.3.0 and OpenSSL
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wrote on 23 Apr 2022, 10:55 last edited by
LD_LIBRARY_PATH solves the problem.
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wrote on 13 May 2022, 18:00 last edited by
I have installed OpenSSL 1.1 with Qt Maintenance Tool, but I don't find which path has to be added to LD_LIBRARY_PATH. @imironchik can you be more explicit?
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I have installed OpenSSL 1.1 with Qt Maintenance Tool, but I don't find which path has to be added to LD_LIBRARY_PATH. @imironchik can you be more explicit?
@XaviP hi and welcome to devnet,
You need to add the path to the folder containing the OpenSSL libraries.
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wrote on 16 May 2022, 07:09 last edited by XaviP
I've tried with:
export LD_LIBRARY_PATH=/home/my_user/Documents/Qt/Tools/OpenSSL/
checked with:
echo $LD_LIBRARY_PATH
start qtcreator, rebuild and run, but not working yet.I've tried too with:
export LD_LIBRARY_PATH=/home/my_user/Documents/Qt/Tools/OpenSSL/src/
export LD_LIBRARY_PATH=/home/my_user/Documents/Qt/Tools/OpenSSL/src/ssl/
even with:
sudo ldconfig
after every export, but not working yet.[edit]
the opposite way:
export LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu/libssl.so.3
doesn’t work either. -
I've tried with:
export LD_LIBRARY_PATH=/home/my_user/Documents/Qt/Tools/OpenSSL/
checked with:
echo $LD_LIBRARY_PATH
start qtcreator, rebuild and run, but not working yet.I've tried too with:
export LD_LIBRARY_PATH=/home/my_user/Documents/Qt/Tools/OpenSSL/src/
export LD_LIBRARY_PATH=/home/my_user/Documents/Qt/Tools/OpenSSL/src/ssl/
even with:
sudo ldconfig
after every export, but not working yet.[edit]
the opposite way:
export LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu/libssl.so.3
doesn’t work either.@XaviP Which folder contains the SSL libraries (*.so files)?
Also, if it does not work when running the app from QtCreator you need to update PATH in Run configuration of your project in QtCreator. -
wrote on 20 May 2022, 06:55 last edited by XaviP
- After installing OpenSSL 1.1, I have SSL libraries at /usr/local/lib/libssl.so
(the original system ones (ssl3) are at /usr/lib/x86_64-linux-gnu/libssl.so) - The error, among others, when running the app from qtcreator is:
"qt.tlsbackend.ossl: Incompatible version of OpenSSL (built with OpenSSL 1.x, runtime version is >= 3.x)" - So I need to update Run configuration of the project, but I don't understand how. I've tried with "Environment", adding LD_LIBRARY_PATH=usr/local/lib/libssl.so, with no results.
- After installing OpenSSL 1.1, I have SSL libraries at /usr/local/lib/libssl.so
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- After installing OpenSSL 1.1, I have SSL libraries at /usr/local/lib/libssl.so
(the original system ones (ssl3) are at /usr/lib/x86_64-linux-gnu/libssl.so) - The error, among others, when running the app from qtcreator is:
"qt.tlsbackend.ossl: Incompatible version of OpenSSL (built with OpenSSL 1.x, runtime version is >= 3.x)" - So I need to update Run configuration of the project, but I don't understand how. I've tried with "Environment", adding LD_LIBRARY_PATH=usr/local/lib/libssl.so, with no results.
@XaviP said in Ubuntu 22.04 with Qt 6.3.0 and OpenSSL:
LD_LIBRARY_PATH=usr/local/lib/libssl.so, with no results.
This is wrong - you add folders to that path (and you also forgot / at the beginning of the path):
LD_LIBRARY_PATH=/usr/local/lib - After installing OpenSSL 1.1, I have SSL libraries at /usr/local/lib/libssl.so
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wrote on 20 May 2022, 12:12 last edited by
Yes, now it's solved. Thank you very much!
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wrote on 18 Feb 2023, 19:37 last edited by
@XaviP This worked for me...
Download libssl1.1_1.1.1f-1ubuntu2_amd64.deb from official repository:
wget http://archive.ubuntu.com/ubuntu/pool/main/o/openssl/libssl1.1_1.1.1f-1ubuntu2_amd64.debInstall it:
sudo dpkg -i libssl1.1_1.1.1f-1ubuntu2_amd64.deb -
@XaviP This worked for me...
Download libssl1.1_1.1.1f-1ubuntu2_amd64.deb from official repository:
wget http://archive.ubuntu.com/ubuntu/pool/main/o/openssl/libssl1.1_1.1.1f-1ubuntu2_amd64.debInstall it:
sudo dpkg -i libssl1.1_1.1.1f-1ubuntu2_amd64.debwrote on 17 Apr 2025, 07:27 last edited by@PatG thanks, This helped me
