This tutorial teaches you how to use qmake. We recommend that you read the qmake user guide after completing this tutorial.
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Starting off Simple
Let's assume that you have just finished a basic implementation of your application, and you have created the following files:
- hello.cpp
- hello.h
- main.cpp
You will find these files in the examples/qmake/tutorial directory of the Qt distribution. The only other thing you know about the setup of the application is that it's written in Qt. First, using your favorite plain text editor, create a file called hello.pro in examples/qmake/tutorial. The first thing you need to do is add the lines that tell qmake about the source and header files that are part of your development project.
We'll add the source files to the project file first. To do this you need to use the SOURCES variable. Just start a new line with SOURCES += and put hello.cpp after it. You should have something like this:
We repeat this for each source file in the project, until we end up with the following:
If you prefer to use a Make-like syntax, with all the files listed in one go you can use the newline escaping like this: Oovoo old version mac.
Now that the source files are listed in the project file, the header files must be added. These are added in exactly the same way as source files, except that the variable name we use is HEADERS.
Once you have done this, your project file should look something like this:
The target name is set automatically; it is the same as the project file, but with the suffix appropriate to the platform. For example, if the project file is called hello.pro, the target will be hello.exe on Windows and hello on Unix. If you want to use a different name you can set it in the project file:
The final step is to set the CONFIG variable. Since this is a Qt application, we need to put qt on the CONFIG line so that qmake will add the relevant libraries to be linked against and ensure that build lines for moc and uic are included in the generated Makefile.
https://soft-mission.mystrikingly.com/blog/ember-1-5-1-versatile-digital-scrapbook. The finished project file should look like this: https://torrentsf.mystrikingly.com/blog/vray-for-sketchup-2017-free.
You can now use qmake to generate a Makefile for your application. On the command line, in your project's directory, type the following:
Then type make or nmake depending on the compiler you use.
For Visual Studio users, qmake can also generate .dsp or .vcproj files, for example:
Making an Application Debuggable
The release version of an application doesn't contain any debugging symbols or other debugging information. During development it is useful to produce a debugging version of the application that has the relevant information. This is easily achieved by adding debug to the CONFIG variable in the project file.
For example:
Use qmake as before to generate a Makefile and you will be able to obtain useful information about your application when running it in a debugging environment.
Adding Platform-Specific Source Files
After a few hours of coding, you might have made a start on the platform-specific part of your application, and decided to keep the platform-dependent code separate. So you now have two new files to include into your project file: hellowin.cpp and hellounix.cpp. We can't just add these to the SOURCES variable since this will put both files in the Makefile. So, what we need to do here is to use a scope which will be processed depending on which platform qmake is run on.
A simple scope that will add in the platform-dependent file for Windows looks like this:
So if qmake is run on Windows, it will add hellowin.cpp to the list of source files. Scherlokk 2 2 – find your media and missed files. If qmake is run on any other platform, it will simply ignore it. Now all that is left to be done is to create a scope for the Unix-specific file.
When you have done that, your project file should now look something like this:
Use qmake as before to generate a Makefile.
Stopping qmake If a File Doesn't Exist
You may not want to create a Makefile if a certain file doesn't exist. We can check if a file exists by using the exists() function. We can stop qmake from processing by using the error() function. This works in the same way as scopes do. Simply replace the scope condition with the function. A check for a main.cpp file looks like this:
The ! symbol is used to negate the test; i.e. exists( main.cpp ) is true if the file exists, and !exists( main.cpp ) is true if the file doesn't exist.
Use qmake as before to generate a makefile. If you rename main.cpp temporarily, you will see the message and qmake will stop processing.
Checking for More than One Condition
Suppose you use Windows and you want to be able to see statement output with qDebug() when you run your application on the command line. Color picker safari. Unless you build your application with the appropriate console setting, you won't see the output. We can easily put console on the CONFIG line so that on Windows the makefile will have this setting. However, let's say that we only want to add the CONFIG line if we are running on Windows and when debug is already on the CONFIG line. This requires using two nested scopes; just create one scope, then create the other inside it. Arturia pigments v1 0 0 473 download free. Put the settings to be processed inside the last scope, like this:
Nested scopes can be joined together using colons, so the final project file looks like this:
That's it! You have now completed the tutorial for qmake, and are ready to write project files for your development projects.
© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.
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Qt VS Tools integrate the Qt development tools into Microsoft Visual Studio 2013, and later. This enables developers to use the standard Windows development environment without having to worry about Qt-related build steps or tools.
The main features of Qt VS Tools are:
- Wizards for creating new Qt projects and classes.
- Automated build setup for the Meta-Object Compiler (moc), User Interface Compiler (uic), and Resource Compiler (rcc).
- Import and export of Qt project files (
.pro) and project include files (.pri). - Automated conversion of a Qt VS Tools project to a qmake project, or the other way around.
- Integrated Qt resource management.
- Creating a Qt translation source (TS) file and starting Qt Linguist to translate the strings.
- Integrated Qt documentation.
- Debugging extensions for Qt data types.
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© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.
