Windows10安装repast4py遇C++20编译错误求助

执行pip install repast4py安装repast4py时出现以下编译错误：

• src/repast4py/coremodule.cpp(342): error C7556: cannot mix designated-initializers with non-designated-initializers
• src/repast4py/coremodule.cpp(343): error C7555: use of designated initializers requires at least '/std:c++20'

已更新Visual Studio Build Tools至2022版本，但错误依旧存在。

安装日志 #

C:\Users\H.Zibaei>pip install repast4py
Collecting repast4py
  Using cached repast4py-1.0.5b1.tar.gz (79 kB)
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
  Preparing metadata (pyproject.toml) ... done
Collecting torch
  Using cached torch-1.13.1-cp39-cp39-win_amd64.whl (162.5 MB)
Collecting Cython
  Using cached Cython-0.29.32-py2.py3-none-any.whl (986 kB)
Requirement already satisfied: mpi4py in c:\users\h.zibaei\appdata\local\programs\python\python39\lib\site-packages (from repast4py) (3.1.4)
Collecting numba
  Using cached numba-0.56.4-cp39-cp39-win_amd64.whl (2.5 MB)
Collecting networkx>=2.6.2
  Using cached networkx-2.8.8-py3-none-any.whl (2.0 MB)
Collecting pyyaml
  Using cached PyYAML-6.0-cp39-cp39-win_amd64.whl (151 kB)
Collecting numpy>=1.18.0
  Using cached numpy-1.24.1-cp39-cp39-win_amd64.whl (14.9 MB)
Collecting llvmlite<0.40,>=0.39.0dev0
  Using cached llvmlite-0.39.1-cp39-cp39-win_amd64.whl (23.2 MB)
Collecting numpy>=1.18.0
  Using cached numpy-1.23.5-cp39-cp39-win_amd64.whl (14.7 MB)
Requirement already satisfied: setuptools in c:\users\h.zibaei\appdata\local\programs\python\python39\lib\site-packages (from numba->repast4py) (58.1.0)
Collecting typing-extensions
  Using cached typing_extensions-4.4.0-py3-none-any.whl (26 kB)
Building wheels for collected packages: repast4py
  Building wheel for repast4py (pyproject.toml) ... error
  error: subprocess-exited-with-error

  × Building wheel for repast4py (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [30 lines of output]
      running bdist_wheel
      running build
      running build_py
      creating build
      creating build\lib.win-amd64-cpython-39
      creating build\lib.win-amd64-cpython-39\repast4py
      copying src\repast4py\context.py -> build\lib.win-amd64-cpython-39\repast4py
      copying src\repast4py\core.py -> build\lib.win-amd64-cpython-39\repast4py
      copying src\repast4py\geometry.py -> build\lib.win-amd64-cpython-39\repast4py
      copying src\repast4py\logging.py -> build\lib.win-amd64-cpython-39\repast4py
      copying src\repast4py\network.py -> build\lib.win-amd64-cpython-39\repast4py
      copying src\repast4py\parameters.py -> build\lib.win-amd64-cpython-39\repast4py
      copying src\repast4py\random.py -> build\lib.win-amd64-cpython-39\repast4py
      copying src\repast4py\schedule.py -> build\lib.win-amd64-cpython-39\repast4py
      copying src\repast4py\space.py -> build\lib.win-amd64-cpython-39\repast4py
      copying src\repast4py\util.py -> build\lib.win-amd64-cpython-39\repast4py
      copying src\repast4py\value_layer.py -> build\lib.win-amd64-cpython-39\repast4py
      copying src\repast4py\__init__.py -> build\lib.win-amd64-cpython-39\repast4py
      running build_ext
      building 'repast4py._core' extension
      creating build\temp.win-amd64-cpython-39
      creating build\temp.win-amd64-cpython-39\Release
      creating build\temp.win-amd64-cpython-39\Release\src
      creating build\temp.win-amd64-cpython-39\Release\src\repast4py
      "C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\VC\Tools\MSVC\14.31.31103\bin\HostX86\x64\cl.exe" /c /nologo /O2 /W3 /GL /DNDEBUG /MD -IC:\Users\H.Zibaei\AppData\Local\Temp\pip-build-env-vr63vhus\overlay\Lib\site-packages\numpy\core\include -IC:\Users\H.Zibaei\AppData\Local\Temp\pip-build-env-vr63vhus\overlay\Lib\site-packages\mpi4py\include -IC:\Users\H.Zibaei\AppData\Local\Programs\Python\Python39\include -IC:\Users\H.Zibaei\AppData\Local\Programs\Python\Python39\Include "-IC:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\VC\Tools\MSVC\14.31.31103\ATLMFC\include" "-IC:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\VC\Tools\MSVC\14.31.31103\include" "-IC:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\include\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.20348.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.20348.0\\shared" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.20348.0\\um" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.20348.0\\winrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.20348.0\\cppwinrt" /EHsc /Tpsrc/repast4py/coremodule.cpp /Fobuild\temp.win-amd64-cpython-39\Release\src/repast4py/coremodule.obj -std=c++11
      cl : Command line warning D9002 : ignoring unknown option '-std=c++11'
      coremodule.cpp
      src/repast4py/coremodule.cpp(342): error C7556: cannot mix designated-initializers with non-designated-initializers
      src/repast4py/coremodule.cpp(343): error C7555: use of designated initializers requires at least '/std:c++20'
      error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2022\\BuildTools\\VC\\Tools\\MSVC\\14.31.31103\\bin\\HostX86\\x64\\cl.exe' failed with exit code 2
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for repast4py
Failed to build repast4py
ERROR: Could not build wheels for repast4py, which is required to install pyproject.toml-based projects

环境信息 #

• Python 3.9.12
• Visual Studio 2022 Build Tools
• pip 22.3.1
• wheel 0.38.4
• 已安装pyproject.toml相关依赖

解决方案 #

从日志可见，编译时使用了MSVC不识别的-std=c++11参数，且代码使用了C20才支持的混合指定初始化器语法，需强制编译器启用C20标准：

方法1：通过环境变量指定编译标准 #

• 命令提示符（CMD）：

  set CXXFLAGS="/std:c++20"
  pip install repast4py
  

• PowerShell：

  $env:CXXFLAGS="/std:c++20"
  pip install repast4py
  

方法2：直接在pip命令中指定编译参数 #

pip install repast4py --global-option=build_ext --global-option="/std:c++20"

额外检查 #

确认Visual Studio 2022 Build Tools已安装C++开发工作负载，包含MSVC编译器、Windows SDK等核心组件，避免因缺少编译依赖导致安装失败。

内容的提问来源于stack exchange，提问作者Hamed