Compiling and running ethminer 0.19.0 on Ubuntu 21.04

git clone https://github.com/ethereum-mining/ethminer.git
cd ethminer
git checkout tags/v0.19.0
git submodule update --init --recursive
rm -rfv build && mkdir build && cd build

export CC=/usr/bin/gcc-8
export CXX=/usr/bin/g++-8
cmake .. && make . && sudo make install

ethminer -P stratum://0x2a9d3072a8feb1578c2f10069010480b8742c39c@eu1.ethermine.org:4444

Notes to self:

• use gcc-8
• have at least 4GB Memory on the GPU
• use a CUDA-10 compatible card