cmake QREncode examples

keepassxreboot/keepassxc src/qrcode/CMakeLists.txt :20 

find_package(QREncode REQUIRED)

feather-wallet/feather CMakeLists.txt :84 

find_package(QREncode REQUIRED)

Bitcoin-ABC/bitcoin-abc src/qt/CMakeLists.txt :354 

find_package(QREncode REQUIRED)