[Interest] Failed to install Qt 5.6.0 on a headless server via install script

[Roland Winklmeier]

Dear List,

today I was trying to install Qt 5.6.0 on a headless Debian Jessie. I have
ssh access only and no X11 server is running. From what I learned in the
mailing list, this should be possible via scripts.

Find attached the script, I was using. It works perfectly fine, until it
calls
"/Tools/QtCreator/libexec/qtcreator/sdktool"
which aborts with
"error while loading shared libraries: libGL.so.1: cannot open shared
object file: No such file or directory".

I was trying to pass the installer a platform argument
./qt.run -platform minimal --script qt-installer-noninteractive.qs
but the installer says, neither "-platform" nor "--platform" is a supported
argument. Am I doing something wrong? I want to avoid installing any GL
libraries on that server.

Any ideas are welcome.

Cheers Roland
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function Controller() {
    installer.autoRejectMessageBoxes();
    installer.installationFinished.connect(function() {
        gui.clickButton(buttons.NextButton);
    })
}

Controller.prototype.WelcomePageCallback = function() {
    gui.clickButton(buttons.NextButton);
}

Controller.prototype.CredentialsPageCallback = function() {
    gui.clickButton(buttons.NextButton);
}

Controller.prototype.IntroductionPageCallback = function() {
    gui.clickButton(buttons.NextButton);
}

Controller.prototype.TargetDirectoryPageCallback = function()
{
    gui.currentPageWidget().TargetDirectoryLineEdit.setText("/opt/Qt");
    gui.clickButton(buttons.NextButton);
}

Controller.prototype.ComponentSelectionPageCallback = function() {
    var widget = gui.currentPageWidget();
    widget.deselectAll();
    widget.selectComponent("qt.56.gcc_64");
    gui.clickButton(buttons.NextButton);
}

Controller.prototype.LicenseAgreementPageCallback = function() {
    gui.currentPageWidget().AcceptLicenseRadioButton.setChecked(true);
    gui.clickButton(buttons.NextButton);
}

Controller.prototype.StartMenuDirectoryPageCallback = function() {
    gui.clickButton(buttons.NextButton);
}

Controller.prototype.ReadyForInstallationPageCallback = function()
{
    gui.clickButton(buttons.NextButton);
}

Controller.prototype.FinishedPageCallback = function() {
    var checkBoxForm = gui.currentPageWidget().LaunchQtCreatorCheckBoxForm
    if (checkBoxForm && checkBoxForm.launchQtCreatorCheckBox) {
        checkBoxForm.launchQtCreatorCheckBox.checked = false;
    }
    gui.clickButton(buttons.FinishButton);
}