Note: You should not lower the deployment target beyond the default value set by Qt. Doing so will likely lead to crashes at runtime if the binary is then deployed to a macOS version lower than what Qt expected to run on. By always building against the latest available platform SDK, you ensure that Qt can take advantage of new features introduced in recent versions of macOS.
One caveat to using the latest Xcode version and SDK to build your application is that macOS's system frameworks will sometimes decide whether or not to enable behavior changes based on the SDK you built your application with.
For example, when dark-mode was introduced in macOS This technique allows Apple to ensure that binaries built long before the new SDK and operating system was released will still continue to run without regressions on new macOS releases. A consequence of this is that if Qt has problems dealing with some of these macOS features dark-mode, layer-backed views , the only way to opt out of them is building with an earlier SDK the This is a last-resort solution, and should only be applied if your application has no other ways of working around the problem.
This is selectable at configure time:. On the command-line, applications can be built using qmake and make. Optionally, qmake can generate project files for Xcode with -spec macx-xcode.
If you are using the binary package, qmake generates Xcode projects by default; use -spec macx-gcc to generate makefiles. For example:. Configuring with -spec macx-xcode generates an Xcode project file from project. With qmake you do not have to worry about rules for Qt's preprocessors moc and uic since qmake automatically handles them and ensures that everything necessary is linked into your application. Qt does not entirely interact with the development environment for example plugins to set a file to 'mocable' from within the Xcode user interface.
The result of the build process is an application bundle, which is a directory structure that contains the actual application executable. The application can be launched by double-clicking it in Finder, or by referring directly to its executable from the command line, for example, myApp.
If you wish to have a command-line tool that does not use the GUI for example, moc , uic or ls , you can tell qmake to disable bundle creation from the CONFIG variable in the project file:. The application bundle contains the application executable as well as dependencies such as the Qt libraries, plugins, translations and other resources you may need. Third party libraries like Qt are normally not installed system-wide; each application provides its own copy.
A common way to distribute applications is to provide a compressed disk image. The deployment tool, macdeployqt available from the macOS installers , can be used to create the self-contained bundles, and optionally also create a. Applications can also be distributed through the Mac App Store. Qt 5 aims to stay within the app store sandbox rules. In order to pass validation, the application must verify the existence of a valid receipt before executing any code. Since this is a copy protection mechanism, steps should be taken to avoid common patterns and obfuscate the code that validates the receipt as much as possible.
Thus, this cannot be automated by Qt, but requires some platform-specific code written specifically for the application itself. More information can be found in Apple's documentation. We invite you to explore the rest of Qt. Documentation contributions included herein are the copyrights of their respective owners.
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