apt install build-essential cmake git wget curl cmake gcc g++ qt4-qmake  openssl libnss3 libnss3-dev qt5-default qttools5-dev-tools checkinstall automake autoconf libltdl-dev libssl-dev

Télécharger l'application et la décompresser

cd xca-2.1.2/

./bootstrap 

mkdir Build

cd Build/

../configure && make -j10

checkinstall