This repo provides the latest XFLR5 (currently v6.50) patched for Ubuntu 20.04 LTS

1. First of all, start by installing the required dependencies:

sudo apt install build-essential libgl1-mesa-dev qt5-default

2. Download the files from this repo and extract them:

cd /path/to/repo/
git clone https://github.com/polmes/xflr5-ubuntu.git

3. Follow the standard install procedure:

cd /path/to/repo/xflr5/
qmake
make # will take a while
sudo make install # create executable
sudo ldconfig # make the new shared libraries available

At this point, you should be all ready to go. You can check by running XFLR5 from the command line:

/usr/local/bin/xflr5

4. Finally, in order to run the software more easily, link the provided *.desktop file to your preferred location:

ln -s /usr/local/share/xflr5/xflr5.desktop ~/.local/share/applications/

And now you should be able to launch XFLR5 from the Activities Overview.

Original code by techwinder on SourceForge. All credits to them for building such an awesome piece of software!

Distributed under the GNU General Public License (GPL) v3.