install curecoin-qt on mint 19
sudo apt install git
sudo apt-get install qt5-default qt5-qmake qtbase5-dev-tools qttools5-dev-tools libboost-dev libboost-system-dev libboost-filesystem-dev libboost-program-options-dev libboost-thread-dev libssl-dev libminiupnpc-dev libdb5.3++-dev dh-make build-essential
mkdir curecoin
cd curecoin
git clone https://github.com/cygnusxi/CurecoinSource.git
cd CurecoinSource
qmake
make
sudo make install