Installation of libqtGui.so.4
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It's nothing Qt specific. So let's start again:
- list item What exactly is your target ? Computer ? Embedded board ? etc.
- What processor does it use ?
* What exact OS is it running ?
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To be able to help you, you should start by first answering my questions.
Not knowing what you are running on your board I can't answer.
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Gm sir,
In windows 8,I installed Virtual machine then i installed ubuntu 12.10 ,32 bit .Tool chain regarding Angstrom installed ,then Qt . Gui am geting on BBB.But unable to use mouse on GUI.When connect mouse and keyboard ,Keyboard is geting worked bt under mouse light geting bliking,but unable to work.I ran command startx in Lcd 7",white color terminals got appeared ther am geting movement of cursor,but when i deploy Gui, ther mouse canot work ther ,Please help me sir.
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http://www.cloud-rocket.com/2013/07/building-qt-for-beaglebone/
I hace done procdure as per this link sir,problem is Mouse .
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What exact command do you write to start your application ?
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use QUdpSocket
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hi all. i have the same problem.
What exactly is your target ? i wrote a simple Qt program for mini2440 friendly arm. Embedded boar linux gnu.
when i execute my program ( and comment running Qtopia) it show me this error : /armNEW: error while loading shared libraries: libQtGui.so.4: cannot open shared object file: No such file or directory
i search and find this file in /usr/local/trolltech/qtEmbedded/.... so why i have error?
now what can i do now? -
Hi,
/usr/local/trolltech/qtEmbedded/is a non standard path and probably not the same you have on your computer when cross-compiling your application.You can use LD_LIBRARY_PATH to add that path for the loader to search before starting your application.
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Hi @SGaist , I am building qt application for an arm embedded target.I have successfully transferred the project files via scp using qt creator. However, the application outputs this error:
error while loading shared libraries: libQtGui.so.4: cannot open shared object file: No such file or directory
How can I ensure I have the said library on my target?Is it something I need to cross-compile?
I have libQtGuiE.so.4 in /usr/lib
Thanks. -
You have a name mismatch. The one you use on your desktop has no E in its name. You should have the same set of libraries on both the desktop and target.
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You have a name mismatch. The one you use on your desktop has no E in its name. You should have the same set of libraries on both the desktop and target.
@SGaist Thank you so much.Just a slight clarification, the E stands for qt Embedded or what?
I'll give you feedback if I manage to fix this. -
Likely, yes. I remember vaguely that you could put a suffix when configuring Qt 4.
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@SGaist Do you have an idea how I can put that suffix during configuration?
I have confirmed I am using the same qt version qt embedded 4.8.7 in both the host cross compilation pc and target. However I am still getting this error during deployment.What could be the issue?How do I resolve this please? -
I may have been wrong there and maybe mixed it with
-prefix-install.The most simple is to deploy the libraries you are using for cross-compilation on the device.
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I am looking for libQtGui.so.4 so that I actually can get OpenMW working on Twister OS for RPi4. I found the file on github, & put it into the /usr/lib folder, though the program complained that the provided file is ELF Class 64, implying I need ELF Class 32.
Is there a repository where I can find such Qt project files & libraries?
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https://download.qt.io/archive/qt/4.8/4.8.7/
You build Qt4 from source because there are no contemporary pre-built packages of Qt4 for ARM. Raspberry Pi's initial machines and Qt5 are roughly aligned in release date (2012).
OpenMW have dropped all 32-bit support AFAICT.Oh, and congratulations for resurrection of a 2014 thread.
