QOwnNotes won't launch on Linux Mint 17.3

[GRolenz]

I am having the same problem described in #189. I followed the same installation instructions and cannot get QOwnNotes to launch. If I type QOwnNotes & from the command line I receive the following message,

QOwnNotes: symbol lookup error: QOwnNotes: undefined symbol: _ZN8QSysInfo17prettyProductNameEv

qmake --version returns
Using Qt version 5.6.1 in /opt/qt56/lib, so it looks like it is pointing to the version I installed and not the default mint version.

Any additional thoughts on what could be the problem.

Thanks

[pbek]

Hi, @GRolenz.

That's strange. QSysInfo::prettyProductName() was introduced in Qt 5.4.

What does env | grep -i qt return?

[pbek]

It's really strange. The QOwnNotes deb is build with Qt 5.4.1 and yet QOwnNotes also throws this error on my Linux Mint System with Qt 5.5.1...
When I build QOwnNotes on the same system it works flawlessly...

[pbek]

What does ldd /usr/bin/QOwnNotes say at your system?
It seems not the right libraries are used...

$ ldd /usr/bin/QOwnNotes 
    linux-vdso.so.1 =>  (0x00007ffed24e9000)
    librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007fe0a92a9000)
    libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fe0a90a5000)
    libQt5PrintSupport.so.5 => /usr/lib/x86_64-linux-gnu/libQt5PrintSupport.so.5 (0x00007fe0a8e40000)
    libQt5Widgets.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 (0x00007fe0a8617000)
    libQt5Gui.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 (0x00007fe0a7fca000)
    libQt5Sql.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Sql.so.5 (0x00007fe0a7d8b000)
    libQt5Qml.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 (0x00007fe0a7784000)
    libQt5Network.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Network.so.5 (0x00007fe0a7440000)
    libQt5Xml.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Xml.so.5 (0x00007fe0a7204000)
    libQt5Core.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 (0x00007fe0a6b5e000)
    libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fe0a6940000)
    libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007fe0a663c000)
    libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fe0a6336000)
    libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007fe0a6120000)
...

[pbek]

@GRolenz, can you please try sudo ln -s /opt/qt56 /opt/qt54? That did the trick for me.

[pbek]

QOwnNotes looks great on Linux Mint!

[pbek]

Please also keep in mind that with Linux Mint 18 you can use the Ubuntu 16.04 PPAs of QOwnNotes.

[GRolenz]

That did it. QOwnNotes launched.

Thank you.

Looking forward to testing it out today.

(Sorry for my late response. Yesterday was a long, late one without
internet access.)

I think this can be marked solved.

On 06/29/2016 03:00 AM, Patrizio Bekerle wrote:

@GRolenz https://github.com/GRolenz, can you please try |sudo ln -s
/opt/qt56 /opt/qt54|? That did the trick for me.

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[pbek]

Thank you for reporting and testing!

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