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  3. Qt for Windows - 从源代码构建

Qt for Windows - 从源代码构建

此页面描述了配置和构建的过程，针对 Qt for Windows . To download and install a pre-built Qt for Windows, follow the instructions on the Qt 快速入门 页面。

Step 1: Getting the Sources

Qt sources can be installed in Qt Online Installer. Source packages are also available through Git , as archives in the Qt 帐户 (commercial users), and on download.qt.io (open-source users).

If you install the sources through Qt Online Installer, they will be available in the Qt installation directory, for instance C:\Qt\6.7.2\Src .

If you downloaded the source archive, extract it to a directory of your choice, for instance C:\dev\Qt\src .

注意： The path to the source directory must not contain any spaces or Windows-specific file system characters. The path should also be kept short. This prevents issues with too long file paths in the compilation phase.

Step 2: Installing Build Requirements and Set Environment

To build Qt from sources you need a build environment with a supported compiler and various build tools.

构建工具

工具 支持版本 描述
CMake Version 3.16 and newer (3.17 and newer for -debug-and-release builds 3.21 and newer for -static builds). Required for configuring the Qt build. Available in Qt Online Installer and on cmake.org .
Ninja - Recommended tool for building Qt. Available in Qt Online Installer and on ninja-build.org .
Python Version 3 Required build tool. Windows installers are available on python.org , or from the Microsoft Store .

The executables cmake.exe , ninja.exe ，和 python.exe must be available in your build environment. Add the respective directory to your PATH 环境变量。

编译器

The following compilers and configurations are supported in Qt 6.7:

操作系统 体系结构 编译器 注意事项
Windows 10 (1809 或更高版本) x86_64 MSVC 2022, MSVC 2019, MinGW 11.2
Windows 11 x86_64 MSVC 2022, MSVC 2019, MinGW 11.2
ARM 中的 Windows arm64 MSVC 2019/2022 技术预览

注意： 仅支持将 ARM 中的 Windows 作为部署目标。应用程序必须自 x86-64 的 Windows 机器交叉编译并部署到目标。

QDoc 依赖

QDoc uses Clang to parse C++ code. If you wish to build QDoc manually, refer to 为 QDoc 安装 Clang 对于特定构建要求。

Qt GRPC and Qt Protobuf Dependencies

Qt GRPC and Qt Protobuf require installing gRPC and Protobuf packages. You can find the installation instructions for the packages in the Example of installation for Windows using vcpkg .

Setting the Environment

For MSVC, do one of the following:

  • Run the vcvarsall.bat: 
    "C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Auxiliary\Build\vcvarsall.bat" amd64
  • Search on the Windows search bar for the VS Native Tools command prompt.

For MinGW: Add MinGW to PATH environment variable: 

Set PATH=C:\qt\tools\mingw1120_64\bin;%PATH%

Step 3: Building the Qt Libraries and Tools

To configure your build, create a build directory and run the configure.bat script in this directory: 

mkdir C:\dev\qt-build
cd C:\dev\qt-build
C:\dev\Qt\src\configure.bat

By default, Qt is configured for installation in the C:\Qt\Qt-6.5.3 directory. This can be changed by using the -prefix option. See the list of Qt 配置选项 to tweak further.

Then build the libraries and tools: 

cmake --build . --parallel

Period after --build means current folder.

After building, you need to install the libraries and tools in the desired path (unless you enabled a developer build : 

cmake --install .

Step 4: Using Qt

After Qt is installed, you can start building applications with it.

If you work from the command line, consider adding the Qt tools to your PATH environment variable as follows: 

set PATH=C:\Qt\Qt-6.5.3\bin;%PATH%

If you plan to use Qt from an IDE, you need to register the Qt version explicitly there. For Qt Creator, see Qt Creator: Adding Qt Versions .

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