I'm using Cygwin, and I am really impressed with the enhanced functionality of my Windows pc! However, I ran into a problem.
In order to setup Magento 2 on my Windows 8.1 Home pc, I need a virtual machine. Therefore I want to install libvirt, an open-source package that seems pretty old. However,on a Windows Home pc, it seems the only option. For libvirt to work, I need to setup an older version of libxml2: 2.6.0. Libvirt would not work with libxml2 2.7.0.
Installing libxml2 version 2.6.0 calls an old version of automake (1.6.3), which is unable to recognize my Windows file system.
I have tried changing aclocal.m4, replacing 'automake 1.6.3' to 'automake 1.15.1', but that didn't work:
AC_DEFUN([AM_AUTOMAKE_VERSION],[am__api_version="1.15.1"])
AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
[AM_AUTOMAKE_VERSION([1.15.1])])
Is there a way to install the old libxml2 version (2.6.0) using a new version of automake?
p.s.: I hope I made my issue clear. I apologize for newbee errors in my writing.
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I install the latest qt version from the official website http://www.qt.io/qt5-4/ successfully. I follow this tutorial http://sysads.co.uk/2014/05/install-qt-5-3-ubuntu-14-04 and install the qt 5.4 version. Besides, I have the Ubuntu repository version of qt 5.2.1 installed.
Now I want to make the default version of 5.4 due to a program can't work well in the old qt5 version. That is to say, when I start a program which need to use qt5 library the program will use the version 5.4 rather than the version qt 5.2. Though I have installed the version 5.4 and 5.2, the program still use qt 5.2 version.
I try to use qtchooser to choose the 5.4 version as the default option, however, the program installed in the system still use the qt 5.2 library.
I endeavor to modify the related files regarding qtchooser, nothing changes.
If the library version is not in some regular repository, I would strongly suggest not relying on the user to install it somehow from an "unofficial" install location. Or provide a package for the library version yourself to install alongside your application. But don't replace the system Qt version. That would be Bad®.
Instead, either compile your program with a specific rpath, or wrap your program in scripts that use something like LD_PRELOAD and/or LD_LIBRARY_PATH to load the library version you're shipping in your application package.
Both ways are clunky, and I would try to at least work around the Qt version bug if at all possible.
The latest Qt version (non-alpha) actually is Qt 5.5.
If you install it through the installer provided by Qt, you should change the default Qt version by editing/creating:
/etc/xdg/qtchooser/default.conf
which should contain first the bin directory, then the lib directory, for example:
/opt/Qt/5.5/gcc_64/bin
/opt/Qt/5.5/gcc_64/lib
At least this works for the qmake version. Otherwise you might need to change LD_LIBRARY_PATH as commented by rubenvb.
I am trying to install pycairo 1.10 for Python 3.3 on redhat 6. There are no packages in the official repo, and when I try building it myself it says glibc is out of date. I have the latest glibc from the official the repo, and am somewhat hesitant to go on updating it through other means. Are there any other packages that can help, or is there some way to get this working with an older version (we have tried back to cairo 1.8).
redhat 6 is clearly out of date. Of course it can be done bringing rh6 up to date with downloading and compiling your own 3.x kernel with all what's needed to meet the requirments for pycairo 1.10....
BUT it would be easier and nicer to install a more modern Linux Distribution which goes nicely with an old computer. Linux Mint 16 (Petra) provides a distro with replaxed requirments and window managers in i386 mode.
I don't see any meaning in trying to get up to date code on such an old os version running. Every replacement hardware you can get hold on ebay will do better than that.
cheers,
Christian
I want to add Doxygen plugin to QtCreator.
I am using QtCreator 2.5.2 in ubuntu 12.10 and the latest Doxygen version for QT is 2.4.0.
I've changed the doxygen.pluginspec file to get rid of version error.
But now I've got another error:
can not load library libdoxygen.so (libQtconcurrent.so can not open shared object file:No such file or directory)
Any suggestion would be appreciated.
I hope you are no longer stuck, but if not, I will still try to help.
Yes, the quick install binaries are available only for QtCreator 2.4, but the plugin stays easy to install without it : you have to download the sources and build them yourself, as written in the wiki.
Moreover, you have to build it with the same version of Qt4 as the one that was used for build your QtCreator (have a look here)
It became compatible with QtCreator 2.7 and Qt5 at the end of March, and I succeeded in installing in in QtCreator2.8-beta.
If you have any other question, I guess it would be better to ask them in the plugin forum where developpers always answer to people in need.
Hope this helps (you and other people in need).
You can install Doxywizard wich provides an user interface to use Doxygen.
I'm not shure I'm using fedora to install I used.
yum install doxygen-doxywizard.x86_64.
For Ubuntu it should be if the package name is the same.
apt-get install doxygen-doxywizard.x86_64
(as root)
While porting Qt project from windows to linux(ubuntu) i faced with the following issue:
on windows Qt version 4.8.1 is installed
on linux 4.6.3 in which some functionalities availiable in higer version 4.8.1 don`t yet implemented (ex. QUdpSocket::joinMultiCastGroup).
I see only one solution to this problem: upgrade Qt version on linux to 4.8.1.
How can I do this?
On linux I got installed libqt4-dev, qmake.
Solved: I changed repository from squeeze (stable) to wheezy(testing), in wheezy latest Qt version is 4.8.1, which is perfectly suits my needs.
Using package manager I found package libqt4-dev and selected it for update.
That is all, the whole process took 5 minutes.
Disadvantages:
- As I run Debian on Virtual Box after changing repository I had to reinstall guest additions
- wheezy is less stable than squeeze (I haven`t faced yet with stablilty problem)
I guess you can use Upgrade option in the Qt Creator.
Or you can download latest version from Download Qt, the cross-platform application framework
Or you could try to update using something like apt-get install(upgrade) libqt4-dev if you using Debian based system.
This depends on the distro you are using. If there are binary packages for your distro you can update through your package manager. Otherwise you have to download the source of your prefered Qt version and build it yourself.
I'm not sure if this will help in your situation, but you can download the Qt Online Installer at the following link:
https://www.qt.io/download-qt-installer
I have Qt 4.6.3 on Debian. I need version 4.8.1.
To install it I downloaded the Qt SDK 1.2.1 from the Qt site, where is said that it contains version 4.8.1
After installation I checked Qt version and it is 4.6.3 instead of expected 4.8.1.
What I am doing wrong? And how can I install 4.8.1?
First of all I recommend getting 'official' Debian Qt upgrades by adding the testing (wheezy) repo to your package manager, this way everything on your system will be updated seamlessly in a few clicks.
If you can't do this, then:
Use your package manager to uninstall the existing Qt installation (so that's the runtime libs, plugins, and Qt Creator).
Install the SDK anywhere you like, it installs under one folder anyway.
Update your $PATH to point to the directory with qtcreator, qmake, etc., there are numerous ways of doing this, the simplest is exporting the updated $PATH in your .bashrc. (And optionally make some nice shortcuts for your DE).
Create symlinks in /usr/lib (or /usr/lib64) to point to the Qt libraries the SDK provides, or add a qt.conf file containing the path in your /etc/ld.conf.so.d/ directory and run ldconfig as root.
I'm an openSUSE user myself, so some of the above may slightly different on Debian, hopefully someone with Debian experience can chime in if I'm incorrect.