QT_NO_STANDARD_PROJECT_SETUP

Prevents subsequent calls to qt_standard_project_setup() from making any changes.

This variable was introduced in Qt 6.3.

The qt_standard_project_setup() command is typically called in the top level CMakeLists.txt file of a project. In some scenarios, such projects may be absorbed as a child project of a larger project hierarchy. A parent project may want to prevent any child project from applying changes to the setup. The parent project can achieve this by setting QT_NO_STANDARD_PROJECT_SETUP to true before bringing in the child project via add_subdirectory(), FetchContent_MakeAvailable() or other similar methods provided by CMake.

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