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Questions tagged [qt4]

19 questions
25
votes
3 answers

qt4 / libqt4-* in Ubuntu 20.04

Ubuntu 20.04 dropped qt4 and all libqt4-* dependencies in its official repos. My knowledge about version conflict and install-breaking actions is limited, so before any unthoughtful action is taken, I would want the community's take about…
Daniel B
  • 501
11
votes
2 answers

native FAF on ubuntu (QtWebKit on ubuntu 17.04+)

I'm trying to run FAF (natively) in conjunction with FA (through wine) (due to the views this post receives and to how much the methods have updated I've decided to update this question for it to answer as well as ask. check revision history of this…
tatsu
  • 3,346
10
votes
3 answers

Cannot install Qt-4 on Ubuntu 20.04 - Quite Universal Circuit Simulator (QUCS)

System: Kubuntu-64-bit 20.04 - AMD 64-bit machine I`m trying to install Quite Universal Circuit Simulator from source code and get error: configure: error: Qt >= 4.6.0 is required. configure: error: ./configure failed for qucs Try to install Qt-4…
Teso
  • 364
2
votes
0 answers

Unable to install Qt4

When I give sudo apt-get install libqt4-dev It gives this error Read packet list ... Done Deployment tree generation Read status information ... Done Some packages can not be installed. This may mean That an impossible situation was required or, if…
Jacquelyn.Marquardt
  • 407
2
votes
0 answers

QtWebKit not found by Quantum GIS (qgis) software - OpenLayers Plugin

I have Yakkety installed on my PC. I have installed Quantum GIS 2.18 using the installation process described in the link https://www.qgis.org/en/site/forusers/alldownloads.html#debian-ubuntu. I used the debian method. I am trying to use the…
Indian
  • 1,560
2
votes
0 answers

Cmake can not find QT4 during install

I used sudo-apt get install qwtplot3d-qt4-0 to install qwtplot3d. However when running cmake I get the following: CMake Error at /usr/local/share/cmake-3.4/Module/FindPackageHandleStandardArgs.cmake:148 (message): Could NOT find Qt4 (missing:…
Tellrell White
  • 21
  • 3
2
votes
1 answer

How to install QtRuby + Qt4 on Ubuntu 14?

I wish to program in ruby in QtCreator. If I'm right, I need to install QtRuby + Qt4, but with no success on Ubuntu 14. How to do? Thanks!
user6333552
  • 25
2
votes
0 answers

Avogardo requires Qt4 on Ubuntu 20.04

I would be very happy about your help. I have the following problem, I absolutely need avogardo 1.2 for my research. however, I did an ubuntu update without thinking the problems started. ubuntu 20.04 installed qt4 was updated to qt5 avogardo was…
ph5
  • 21
2
votes
0 answers

VLC won't start on Ubuntu 17.10 error: cannot instantiate qt4 dialogs provider

VLC won't open GUI. Ubuntu 17.10 on X, all packages are up to date vlc:amd64/artful 2.2.6-6 uptodate. Tried system reboot and purging and re-installing VLC. VLC was installed with sudo apt install vlc. Here is the output in…
iddqd0909
  • 31
1
vote
3 answers

Project ERROR: Unknown module(s) in QT: positioning

I have error Project ERROR: Unknown module(s) in QT: positioning when I'm trying to build QT5 dependent project with qmake, I suspect that problem can be in old QT4 installation that was installed before. qmake -version QMake version 3.0 Using Qt…
mrgloom
  • 900
1
vote
0 answers

QT 4.4.3 build failing

I was trying to install QT 4.4.3 on my Ubuntu machine. I downloaded the qt-all-opensource-src-4.4.3.tar package and uncompressed it. Then ./configure and then make. I got this steps from the install file in the package. Errors shown when make: Error…
Ashish Kurian
  • 91
1
vote
1 answer

Error running Master PDF Editor 4 - missing libQtSvg.so.4

After downloading Master PDF Editor 4 for Linux from the https://code-industry.net website (as a tar.gz) and unarchiving it into /opt, it gives an error when attempting to run it: ./masterpdfeditor4: error while loading shared libraries:…
DavidJ
  • 123
1
vote
0 answers

How to install qt4-default on Ubuntu 22.04? E: Unable to locate package qt4-default

I want to compile an app and I can't install QT4. This answer doesn't work.
mevsme
  • 561
1
vote
3 answers

Lack of qt4-qtconfig package in Ubuntu 20.04 Focal Fossa

I use an application called Mame Set Rebuilder (you can easily find references on internet) that is built in Qt4 in a .app format. When I had Ubuntu 19.10, I was able to set the fonts of the application using the package qt4-qtconfig. Setting the…
Lorenz Keel
  • 9,511
0
votes
1 answer

Qt4 applications segfaulting on startup

Yesterday I was developing a Qt4 application, and suddenly, the program would segfault on startup. I decided to upgrade to Qt5 and that fixed the issue. However, I have noticed that all Qt4 apps seem to have the same behavior. An example is…
ChemiCalChems
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1
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