doas pkg_add git cmake sqlite3 luajit irrlicht
doas pkg_add git cmake sqlite3 luajit irrlicht curl png
git clone https://git.minetest.org/minetest/minetest fminetest
cd fminetest
cmake . -DBUILD_CLIENT=0 -DBUILD_SERVER=1 -DENABLE_SYSTEM_JSONCPP=1 -DENABLE_LEVELDB=0 -DENABLE_POSTGRESQL=0 -DENABLE_SPATIAL=0 -DENABLE_GETTEXT=0 -DENABLE_CURSES=0 -DCMAKE_INSTALL_PREFIX=~/.local
cmake . -DBUILD_CLIENT=1 -DBUILD_SERVER=0 -DENABLE_SYSTEM_JSONCPP=1 -DENABLE_LEVELDB=0 -DENABLE_GETTEXT=0 -DENABLE_CURSES=0 -DENABLE_POSTGRESQL=0 -DENABLE_SPATIAL=0 -DCMAKE_INSTALL_PREFIX=~/.local
This will probably take a while. Replace ‘2’ with the number of cores you have plus 1, to make this finish faster.
make -j2 install