This is a step by step guide to help beginners to cross-compile Qt5 for the Raspberry Pi. This allows you to be able to compile Qt5 applications for the Raspberry Pi from a PC and also deploy to the device automatically and debug programs. The instructions were tested on Ubuntu This article will focus on simplicity, if you are looking for additional customization, please check a more detailed guide.
For a detailed tutorial on cross-compiling under Windows, see this tutorial. For an up-to-date guide for cross-compiling Qt 5. First we create a folder to hold the source code and all the required files to do the cross-compilation.
We chose to create a directory named "opt" in the home folder:. Note: The name of the image file and the offset value in the above mount command will change with the latest version of Raspbian.
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To get the correct offset value, use:. The first image is the bootable sector. The second image is what you want to mount. Obtain the correct offset by multiplying the start of the second sector here by the sector size here to obtain the offset.Raspberry Pi 4: Compiled Qt 5.13.2 on Raspbian 10 (buster)
It is a bit build so if you are running on a bit machine you probably are you need to install ialibs:. Try installing lib32z1 lib32ncurses5 lib32bz Now the we have all the resources needed to compile qt5 for raspberry, we need to execute a script to fix symlinks and lib paths:.
Now that you have qmake, you can cross-compile the other modules. To avoid dependencies errors, the following order is sugested: qtimageformats, qtsvg, qtjsbackend, qtscript, qtxmlpatterns, qtdeclarative, qtsensors, qt3d, qtgraphicaleffects, qtjsondb, qtlocation, qtdocgallery. After completing the these instructions the Raspberry Pi image will have QT5 installed onto it now we can copy it to the sdcard using dd:. Note: Check the what the device name of your SD Card is by running the following command which will list the storage devices on your computer.
Don't use the number at the end as that is the partition number and we're writing to the whole SD card:. Click in "Add. Add a new configuration setting a "Generic Linux Device" Hostname or IP address is the IP of your raspberry user is pi password is raspberry obs: if your not did change it.
The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I am specifically trying to setup Qt Creator 4. I have found that running qt on the pi is far to slow. Nothing seems to work. I have found what seems like a thousand dead ends searching the web.
I can write and compile apps for windows console fine. But finding information to cross compile for raspberry seems to be an elusive Unicorn! Does anyone have this working??? If so which of the many toolchains did you use? And please help me replicate your QT configuration. I also wanted to do that, and I actually achieved it, It's called "cross-compilation", you build on the Main PC and then compile it to the target. Initially I wanted to use my main PC with windows 10, but I ended creating a linux partition on my pc to do it since I didn't found any way to do it with windows.
Qt has a very comprehensive tutorial with Qt5 and RaspberryPi2 both with linuxthe only problem is you need linux on your pc to do it.
If you want to do this I would suggest following this steps:. Learn more. Asked 3 years, 8 months ago. Active 3 years, 1 month ago. Viewed 2k times. Thanks in advance! Hakala Jul 22 '16 at For now I would like to get something simple working.
Hello world on my Jessie Pi 2.
Building Qt 5.12 LTS for Raspberry Pi on Raspbian
Hakala Jul 23 '16 at Active Oldest Votes. If you want to do this I would suggest following this steps: Create a linux partition with the same os as in the pi for example raspbian and debian and name the username in linux "pi" and the password "raspberry". This will help you with external libraries.
Raspberry Pi Stack Exchange is a question and answer site for users and developers of hardware and software for Raspberry Pi. It only takes a minute to sign up. However when I use the command.
As I considered the advice of my raspberry pi I tried the command sudo apt-get update. However I got errors again saying.
Edit for clearance: Normally I was able to get updates without any errors. However after trying to install Qt it started giving errors as I tried to update.
Not particularly sure why you are trying to install that package, the App Note for installing Qt Creator on Raspberry Pi says to install. I personally keep Qt Creator on my PC which can compile programs a lot faster during development and then follow their Build Guide so I can compile it naively on a releasable version.
Here is a working way to install Qt5. For Qt5 there is no need for dev-tools. So this command is not relevant:. Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered.
Asked 2 years, 9 months ago. Active 1 year, 5 months ago. Viewed 19k times. However when I use the command sudo apt-get install qt5-default it gives an error saying that: E:Unable to fetch some archives,maybe run apt-get update or try with --fix-missing? However I got errors again saying Some index files failed to download. They have been ignored, or old ones used instead.
Apparently I am doing something wrong and any help will be appreciated. Bex 2, 3 3 gold badges 21 21 silver badges 34 34 bronze badges. Avio Avio 63 1 1 gold badge 1 1 silver badge 9 9 bronze badges. So did you try with --fix-missing? Yes, I just tried it and it gave no error. However, it still fails to update or install the qt.
Active Oldest Votes. Not particularly sure why you are trying to install that package, the App Note for installing Qt Creator on Raspberry Pi says to install sudo apt-get install qt4-dev-tools and sudo apt-get install qtcreator Some extra packages are also listed. It gets stuck at first command. It gives the error "Unable to fetch some arhives, maybe run apt-get update or try with --fix-missing?
And what happens when you run the two suggestions? Update fails, and fix missing suggestion returns "0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. However I am still unable to install qt. I will try to reinstall Raspberian from scratch probably, I suspect this might be due to corrupted OS. I had no problems three days ago. When you say it fails what error message is displayed?The steps below are for Raspbian Jessie.Office 365 imap oauth
I followed the official site and its GitHub page. The purpose of this post is mostly for myself, to reproduce the steps in future on other PCs or when I need to reinstall, etc. Contents — Assumptions — Steps 1. Preparation 2. Install Qt 3. Deploy Qt to Raspberry Pi 4. Qt Creator Configuration 5.
Assumptions Here are some assumptions before starting the steps:. Ubuntu Steps 1. Preparation Install dependencies. Configure environment variables In my case, the environment variables are below since Qt version is 5. Install Qt The beauty of QtRpi is that scripts will take care of all the installation and deployment. Deploy Qt to Raspberry Pi This step is a workaround for font display. Login to Raspberry Pi. Device Configuration Launch Qt Creator on host.
Configuring Qt Creator for the Raspberry Pi
Configuration name : Rpi 3 IP address : Debuggers Compilers For this example, I'll use the Raspberry Pi platform. It is a popular and low-cost board that can be used for embedded applications. The latest version at the time of writing is 4. Of course, you can also build Qt Creator from source code. There are several choices for operating systems on the Raspberry Pi.
Follow steps 4 through 6 of the Wiki page article. Now let's build Qt for the Raspberry Pi. You'll probably want to add a -j option to the make commands e. QtWebEngine is very large, for example.Lb1120 vs nighthawk m1
You'll need this for building applications that use Qt resources. First we need to add a device. Click on Add In the Connection screen, enter the appropriate parameters. After clicking on Close you should see the board show up as a device, similar to the screen shot below:.
Next, add the cross-compiler. Next, select the Debuggers tab and add a new debugger. The debugger entry should look similar to this:. Now we can go to the Qt Versions tab of the Options screen. If not, click on Add I used "Qt 5. We're now ready to try a sample project! We now have a project to test. Here's some of the code:. The valgrind profiler and memory analyzer functions should also work. The QML profiler should also work.Raspbian based on Debian Stretch comes with an old 5.
Afaik there are no up-to-date backports so the only way to get an up to date version version of Qt with all features enabled for running on your Pi is to build it yourself. Even if this tutorial concentrates on the Qt 5. These instructions will build version of Qt that uses the eglfs interface by default and therefore runs applications fullscreen. Building Qt on the Raspberry Pi is pretty straightforward, there is one Pi specific configuration that needs to be made. In short it consist of the following steps:.Mario editor
This tutorial is written for the full source of version 5. Make sure you have enough disk space free on your on your Pi as building Qt requires a lot of disk space.Binary tree paths
The unpacked full Qt sources itself takes around 2. A minimum of 8GB SD card is highly recommended.
How to Install Qt in Raspberry Pi- (Part 29/38)
Running out of disk space after hours of compiling can be extremely annoying, trust me. Compiling Qt takes quite a lot of memory, especially if trying to do a parallel build. Some parts take even too much memory and we need to disable building of them. Download the single source tar file from download. The package is quite large, MBso depending on your bandwidth it might take some time to download, grab a coffe or continue with the dependecies while the Qt source archive is downloading.
Just to make sure the download was succesfull and is what it should be, check the MD5 hash of the archive with:. You can of course start installation of the build dependecies while you wait.Ola tv 10 troypoint
Qt build is configured trough the configure script, but platform and device specifc settings are set in mkspecs configuration files.
Qt includes mkspecs for the Raspberry Pi but they are unfortunately setup for cross-compilation environments only and can not be used for native building without editing or the need for faking a cross compilation environment and that has its own issues. Fortunately suitable mkspecs files for the various Pi versions are available in our githubso the next step is to clone that repository and install the mkspecs files into the Qt source tree so that they can be used.
You will need to install plenty of packages to be able to build Qt. Some of the Qt features are optional, for example support for various databases and if you don't need a specific feature you can skip building the support. Or the other way around, if you need a specific feature you might need to install more packages.
See the table below for a list of some optional features and the required development packages you need to install. But first, start by updating your package cache so everything is fresh:. Qt consist of many modules, depending on your needs you might like to install additional development packages to be able to enable support for these features in Qt.
Check the table below for optional features and the required development packages that you need to install for them. Also make sure that the optional feature you need is found and enabled by the configure script by checking the output of configure run. Unfortunately Qt configure script is still looking for the old names.Boundary Devices i.
To successfully set up the Boot to Qt software stack, you must closely follow the instructions in this section and perform all the described tasks. Note: After you have installed the Boot to Qt software stack and want to connect to the target device with SSH or a serial cable, you can access the device by using the user root and an empty password.
Before you install the Boot to Qt software stack, you should install the required software on the development host:. The system image contains the Boot to Qt software stack and needs to be flashed to the SD card or directly to the target device see 3. Installing Boot to Qt on Target Device. Note: Building the Boot to Qt system image and toolchain are not supported on Windows. Thus the sources of the Boot to Qt software stack are available only via the Linux online installer.
On Linux, remember to allow the execution of the installer binary. You can do this by using one of the following methods:. The installer will let you select a directory where the Boot to Qt software stack will be installed. The default installation directories are:. Before you can test your Qt applications on the target device, you must flash the target device with an image containing the Boot to Qt software stack.
After you have successfully flashed your device, Boot to Qt Demo Launcher automatically appears on the screen when you power on the device. You need to set up a wired or wireless network in order to use this device. After you have prepared the target device, you must set up the development tools in Qt Creator for your device.
Connect your device to the network via an Ethernet cable and launch Qt Creator. In Qt Creator:. You are now ready to start developing with Qt for your device. After you have successfully flashed your device with Boot to Qt software stack, Boot to Qt Demo Launcher automatically appears on the screen when you power on the device. For more information, see Qt Device Creation Demos.
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