Build on Mint 20.3

sudo apt -y install libbullet-dev libassimp-dev liblua5.2-dev libluabind-dev  \
                    libqglviewer-headers libqglviewer-dev-qt5 freeglut3-dev libglew-dev \
                    libsdl2-dev git g++ libqscintilla2-qt5-dev help2man

Optional but recommended run-time dependencies:

• OpenSCAD from https://openscad.org

sudo apt -y install openscad

• POV-Ray from http://www.povray.org

sudo apt -y install povray povray-examples

For development Qt Creator is recommended:

sudo apt -y install qtcreator

Build and run BPP within Qt Creator:

git clone https://github.com/bullet-physics-playground/bpp --depth=1
cd bpp
qtcreator bpp.pro

Build and run BPP from command-line:

git clone https://github.com/bullet-physics-playground/bpp --depth=1
cd bpp
QT_SELECT=qt5 qmake CONFIG+=debug   # for bpp debug binary
QT_SELECT=qt5 qmake CONFIG+=release # for bpp release binary
make -j $(nproc)
release/bpp

Or build and install a Debian package:

apt -qq -y install devscripts equivs
mk-build-deps -i -s sudo -t "apt --yes --no-install-recommends"
dpkg-buildpackage -b -rfakeroot -us -uc
cd ..
sudo dpkg -i bpp*.deb
sudo apt -f install

and run BPP from the program launcher (windows key + search, type "bpp").