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I use raspberry pi and QT (version 5.7.1). When I use QT += webenginewidgets , I get an error Project ERROR: Unknown module(s) in QT: webenginewidgets however I try to install 

-sudo apt-get install libqt5webkit5-dev
-sudo apt-get install libqt5webengine-data
-sudo apt-get install libqt5webchannel5-dev

but nothing change for me. how to use QT += webenginewidgets

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  • What programming language are you trying to use to access "QT += webenginewidgets"? What is the code you're using (an applicable snippet)? What compiler?
    – user96931
    Dec 16, 2019 at 1:39
  • C++, QTcreator, GCC, Raspian
    – şevket Karayılan
    Feb 10, 2020 at 11:56
  • So "QT += webenginewidgets" goes in your qmake project file? Do you #include <QtWebEngine>?
    – user96931
    Feb 10, 2020 at 18:05
  • Also, install the requirements listed here: pastebin.com/8gNFVgFA
    – user96931
    Feb 10, 2020 at 18:07
  • yes my code include QtWebEngine
    – şevket Karayılan
    Feb 21, 2020 at 20:14

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