I can't seem to build this successfully. Despite having installed libqt5scintilla2-dev in Ubuntu, which is supposed to be the source code for qscintilla-qt5, it errors out with this:
g++ -m64 -Wl,-O1 -o QtSphereIDE main.o mainwindow.o aboutdialog.o util.o modifiedfilesdialog.o config.o settingswindow.o mapfile.o spherefile.o qrc_qsires.o moc_mainwindow.o moc_aboutdialog.o moc_modifiedfilesdialog.o moc_settingswindow.o moc_mapfile.o moc_spherefile.o -L/usr/X11R6/lib64 -lqscintilla2_qt5 -lQt5Widgets -lQt5Gui -lQt5Core -lGL -lpthread
/usr/bin/ld: cannot find -lqscintilla2_qt5
collect2: error: ld returned 1 exit status
Makefile:167: recipe for target 'QtSphereIDE' failed
make: *** [QtSphereIDE] Error 1