referrer to: https://download.kde.org/stable/qca-qt5/2.1.0.3/src/ qca-qt5-2.1.0.3.tar.xz /* qt5.9 to build on mac sierra i append on head qa_basic.h the next line error type QIODevice not found .. */ #include <QtCore/qiodevice.h> /* after build normal */
Use QCA from here https://download.kde.org/stable/qca/2.1.3/src/