Project not building.

[Vadimatorik]

Hello. I made an attempt to assemble the project. It did not work out. Qt5 is present. Linux Ubuntu 16.04 LTE.

$ qmake plantumlqeditor.pro && make make -f Makefile.Release make[1]: Entering directory '/home/vadim/Downloads/plantumlqeditor' /usr/lib/x86_64-linux-gnu/qt4/bin/uic src/preferencesdialog.ui -o release/ui/ui_preferencesdialog.h g++ -c -m64 -pipe -std=c++11 -Wall -Wextra -pedantic -O3 -w -D_REENTRANT -DUSE_WEBKIT -DQT_NO_DEBUG_OUTPUT -DQT_NO_DEBUG -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++-64 -I. -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtSvg -I/usr/include/qt4 -Irelease/moc -Irelease/ui -o release/obj/main.o src/main.cpp g++ -c -m64 -pipe -std=c++11 -Wall -Wextra -pedantic -O3 -w -D_REENTRANT -DUSE_WEBKIT -DQT_NO_DEBUG_OUTPUT -DQT_NO_DEBUG -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++-64 -I. -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtSvg -I/usr/include/qt4 -Irelease/moc -Irelease/ui -o release/obj/mainwindow.o src/mainwindow.cpp In file included from ./src/previewwidgetweb.h:5:0, from src/mainwindow.cpp:4: ./src/webview.h:5:20: fatal error: QWebView: No such file or directory compilation terminated. Makefile.Release:302: recipe for target 'release/obj/mainwindow.o' failed make[1]: *** [release/obj/mainwindow.o] Error 1 make[1]: Leaving directory '/home/vadim/Downloads/plantumlqeditor' Makefile:34: recipe for target 'release' failed make: *** [release] Error 2