How to deploy C++ Application

In this article i describe deploy processes of c++/qt application with cqtdeployer.

Recommendation

If you want maximum stability of your distribution and you want to run your application on different Distributions with a different versions then you need to use Qt from official build.

Case

In this case we deploy Qt GUI Application for Ubuntu 16.04,Ubuntu 18.04 and Ubuntu 20.04 ++.

If you want support all distributions begin from Ubuntu 16.04 you need build and deploy you application on the older distribution (in my case it is 16.04)

Install CQtDeployer

If you want use system qt from your OS then install classic version of the cqtdeployer.

wget https://github.com/QuasarApp/CQtDeployer/releases/download/1.4.7/LinuxInstaller.run

chmod +x LinuxInstaller.run
./LinuxInstaller.run

Select latest stable version (1.4)

Done.

If You use official qt build then you can use snap version of the cqtdeployer.

sudo snap install cqtdeployer

After install add requirement permissions.

sudo snap connect cqtdeployer:process-control
sudo snap connect cqtdeployer:removable-media
sudo snap connect cqtdeployer:system-backup

Done!!!

Deploy Qt GUI Application

Deploy yor executable file.

For Linux systems:

cqtdeployer -bin myexecutable

For Windows systems:

cqtdeployer -bin myexecutable.exe -qmake C:/Qt/5.15.0/min_gw/bin/qmake.exe

For crossplatform build (Linux -> Windows)

cqtdeployer -bin myexecutable.exe -qmake ~/crossbuildet-Qt/5.15.0/min_gw/bin/qmake

Extra options

If you use extra libraries, just add path for cqtdeployer to used libs.

cqtdeployer -bin myexecutable -libDir /PathToMyExtraLibs

If you want find libraries recursively from libDir path, just add recursive Depth option.

cqtdeployer -bin myexecutable -libDir /PathToMyExtraLibs -recursiveDepth 5

If you application use qml, just add qmlDir option

cqtdeployer -bin myexecutable -libDir /PathToMyExtraLibs -recursiveDepth 5 -qmlDir /path/to/my/qml/sources

If you want create simple installer for your application just add gif option.

cqtdeployer -bin myexecutable -libDir /PathToMyExtraLibs -recursiveDepth 5 -qmlDir /path/to/my/qml/sources qif

If cqtdeployer not found qmake then add the -qmake option to an invoke command.

cqtdeployer -bin myexecutable -libDir /PathToMyExtraLibs -recursiveDepth 5 -qmlDir /path/to/my/qml/sources qif -qmake /path/to/my/qmake

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