Installing MidiEditor on Debian i386
Qt5 Build Environment without QtCreator
The Qt Group doesn’t seem to provide a 32bit linux installer, but the debian package list has everything we need.
sudo apt install qt5-qmake
sudo apt install qtbase5-dev
sudo apt install qtmultimedia5-dev libqt5multimediawidgets5 libqt5multimedia5-plugins libqt5multimedia5
MidiEditor dependencies and build process
Clone the git repo.
sudo apt-get install libasound2-dev
chmod +x building/build-linux.sh
./building/build-linux.sh
It took about 20 minutes for firebird, my Pentium 4 system, to build MidiEditor.