New answers tagged qt5
Install Qt development packages qt5-default qtdeclarative5-dev through apt-get.
It's probably the libgl1-mesa-dev package.
The missing file QtSql/private/qsqldriver_p.h is in the package qtbase5-private-dev sudo apt-get install qtbase5-private-dev
Find it in the source directory (something like qtbase/src/sql/kernel) and copy it to the include directory /opt/QtOpenSource55/5.5/gcc_64/include/QtSql/5.5/QtSql/private.
Here: https://launchpad.net/appmenu-qt5 Maybe you need this: "To enable the support, set QT_QPA_PLATFORMTHEME=appmenu-qt5 in your environment." You can do this be editing the file ~/.profile and adding the line export QT_QPA_PLATFORMTHEME=qt5ct at the tail end of the file, as in the following example: # ~/.profile: executed by the command interpreter for ...
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