支持的 CMake 版本
cmake_minimum_required() 指定了成功配置项目所需的最低 CMake 版本。它还会更新项目的CMake 策略设置，这些设置控制着 CMake 向后兼容行为的各个方面。
Qt 项目必须在 `cmake_minimum_required ` 命令中将版本设置为 `3.16 ` 或更高版本，以确保策略行为正常运行。
用于配置项目的实际 CMake 版本还取决于目标平台。对于大多数目标平台，该版本为3.25 。
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