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unresolved external symbol on free threaded build. #89

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KRRT7 opened this issue Jun 25, 2024 · 2 comments
Closed

unresolved external symbol on free threaded build. #89

KRRT7 opened this issue Jun 25, 2024 · 2 comments

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@KRRT7
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KRRT7 commented Jun 25, 2024 •
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when pip installing cffi on windows in the python 3.13 free threaded build the module fails to build due to the error in the title.
while 3.13t isn't officially out yet, it might be good to prepare support for it.
#72 implies 3.13t as well.

❯ pip install cffi
Collecting cffi
  Using cached cffi-1.16.0.tar.gz (512 kB)
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
  Preparing metadata (pyproject.toml) ... done
Collecting pycparser (from cffi)
  Using cached pycparser-2.22-py3-none-any.whl.metadata (943 bytes)
Using cached pycparser-2.22-py3-none-any.whl (117 kB)
Building wheels for collected packages: cffi
  Building wheel for cffi (pyproject.toml) ... error
  error: subprocess-exited-with-error

  × Building wheel for cffi (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [135 lines of output]
      _configtest.c
      running bdist_wheel
      running build
      running build_py
      creating build
      creating build\lib.win-amd64-cpython-313
      creating build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\api.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\backend_ctypes.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\cffi_opcode.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\commontypes.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\cparser.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\error.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\ffiplatform.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\lock.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\model.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\pkgconfig.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\recompiler.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\setuptools_ext.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\vengine_cpy.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\vengine_gen.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\verifier.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\_imp_emulation.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\_shimmed_dist_utils.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\__init__.py -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\_cffi_include.h -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\parse_c_type.h -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\_embedding.h -> build\lib.win-amd64-cpython-313\cffi
      copying src\cffi\_cffi_errors.h -> build\lib.win-amd64-cpython-313\cffi
      warning: build_py: byte-compiling is disabled, skipping.

      running build_ext
      building '_cffi_backend' extension
      creating build\temp.win-amd64-cpython-313
      creating build\temp.win-amd64-cpython-313\Release
      creating build\temp.win-amd64-cpython-313\Release\src
      creating build\temp.win-amd64-cpython-313\Release\src\c
      creating build\temp.win-amd64-cpython-313\Release\src\c\libffi_x86_x64
      "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\bin\HostX86\x64\cl.exe" /c /nologo /O2 /W3 /GL /DNDEBUG /MD -DFFI_BUILDING=1 -Isrc/c/libffi_x86_x64 "-IC:\Users\NuitkaDevOps\Desktop\Nuitka-Issues\313t DOA\313t-venv\include" -IC:\Users\NuitkaDevOps\AppData\Local\Programs\Python\Python313\include -IC:\Users\NuitkaDevOps\AppData\Local\Programs\Python\Python313\Include "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include" "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\ATLMFC\include" "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\VS\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.22621.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\um" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\shared" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\winrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\cppwinrt" /Tcsrc/c/_cffi_backend.c /Fobuild\temp.win-amd64-cpython-313\Release\src/c/_cffi_backend.obj
      _cffi_backend.c
      src/c/_cffi_backend.c(413): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(414): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1105): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1114): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1139): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1162): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1181): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1195): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1344): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1346): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1696): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1697): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1699): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1711): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1712): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1715): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1734): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1778): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1843): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1845): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1856): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(1859): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(2258): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(2263): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(2267): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(2282): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(2341): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(3271): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(3992): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(4092): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(4208): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(4249): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(4521): warning C4133: 'function': incompatible types - from 'PyUnicodeObject *' to 'PyObject *'
      src/c/_cffi_backend.c(4532): warning C4996: 'Py_FileSystemDefaultEncoding': deprecated in 3.12
      src/c/_cffi_backend.c(4816): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(4834): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(4975): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(4966): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(4987): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(5383): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(5430): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(5437): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(5656): warning C4244: '=': conversion from 'Py_ssize_t' to 'unsigned short', possible loss of data
      src/c/_cffi_backend.c(5790): warning C4267: 'function': conversion from 'size_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(5794): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(5810): warning C4267: 'function': conversion from 'size_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(5823): warning C4267: 'function': conversion from 'size_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(5852): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
      src/c/_cffi_backend.c(5918): warning C4244: 'function': conversion from 'Py_ssize_t' to 'unsigned int', possible loss of data
      src/c/_cffi_backend.c(6006): warning C4244: 'function': conversion from 'Py_ssize_t' to 'long', possible loss of data
      src/c/_cffi_backend.c(6121): warning C4013: '_PyErr_WriteUnraisableMsg' undefined; assuming extern returning int
      src/c/_cffi_backend.c(6556): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\parse_c_type.c(218): warning C4267: 'return': conversion from 'size_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\parse_c_type.c(287): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\parse_c_type.c(341): warning C4244: '=': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\parse_c_type.c(445): warning C4244: 'return': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\realize_c_type.c(425): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\realize_c_type.c(430): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\realize_c_type.c(448): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\realize_c_type.c(460): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\realize_c_type.c(559): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\realize_c_type.c(621): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\realize_c_type.c(700): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\realize_c_type.c(753): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\lib_obj.c(130): warning C4244: 'initializing': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\lib_obj.c(306): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\lib_obj.c(358): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\lib_obj.c(384): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\lib_obj.c(405): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\lib_obj.c(419): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\cdlopen.c(170): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\cdlopen.c(215): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\cdlopen.c(247): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\cdlopen.c(248): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\cdlopen.c(260): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\cdlopen.c(261): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\cdlopen.c(281): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\cdlopen.c(301): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\cdlopen.c(302): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\cdlopen.c(307): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\cdlopen.c(327): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\cdlopen.c(331): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
      C:\Users\NuitkaDevOps\AppData\Local\Temp\pip-install-g9n56uvj\cffi_a4e3f255b50c4ab9b6d6f23bfe4863a9\src\c\call_python.c(110): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
      "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\bin\HostX86\x64\cl.exe" /c /nologo /O2 /W3 /GL /DNDEBUG /MD -DFFI_BUILDING=1 -Isrc/c/libffi_x86_x64 "-IC:\Users\NuitkaDevOps\Desktop\Nuitka-Issues\313t DOA\313t-venv\include" -IC:\Users\NuitkaDevOps\AppData\Local\Programs\Python\Python313\include -IC:\Users\NuitkaDevOps\AppData\Local\Programs\Python\Python313\Include "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include" "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\ATLMFC\include" "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\VS\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.22621.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\um" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\shared" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\winrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\cppwinrt" /Tcsrc/c/libffi_x86_x64\ffi.c /Fobuild\temp.win-amd64-cpython-313\Release\src/c/libffi_x86_x64\ffi.obj
      ffi.c
      "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\bin\HostX86\x64\cl.exe" /c /nologo /O2 /W3 /GL /DNDEBUG /MD -DFFI_BUILDING=1 -Isrc/c/libffi_x86_x64 "-IC:\Users\NuitkaDevOps\Desktop\Nuitka-Issues\313t DOA\313t-venv\include" -IC:\Users\NuitkaDevOps\AppData\Local\Programs\Python\Python313\include -IC:\Users\NuitkaDevOps\AppData\Local\Programs\Python\Python313\Include "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include" "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\ATLMFC\include" "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\VS\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.22621.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\um" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\shared" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\winrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\cppwinrt" /Tcsrc/c/libffi_x86_x64\prep_cif.c /Fobuild\temp.win-amd64-cpython-313\Release\src/c/libffi_x86_x64\prep_cif.obj
      prep_cif.c
      src/c/libffi_x86_x64\prep_cif.c(169): warning C4267: '+=': conversion from 'size_t' to 'unsigned int', possible loss of data
      "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\bin\HostX86\x64\cl.exe" /c /nologo /O2 /W3 /GL /DNDEBUG /MD -DFFI_BUILDING=1 -Isrc/c/libffi_x86_x64 "-IC:\Users\NuitkaDevOps\Desktop\Nuitka-Issues\313t DOA\313t-venv\include" -IC:\Users\NuitkaDevOps\AppData\Local\Programs\Python\Python313\include -IC:\Users\NuitkaDevOps\AppData\Local\Programs\Python\Python313\Include "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include" "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\ATLMFC\include" "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\VS\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.22621.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\um" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\shared" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\winrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\cppwinrt" /Tcsrc/c/libffi_x86_x64\types.c /Fobuild\temp.win-amd64-cpython-313\Release\src/c/libffi_x86_x64\types.obj
      types.c
      "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\bin\HostX86\x64\link.exe" /nologo /INCREMENTAL:NO /LTCG /DLL /MANIFEST:EMBED,ID=2 /MANIFESTUAC:NO "/LIBPATH:C:\Users\NuitkaDevOps\Desktop\Nuitka-Issues\313t DOA\313t-venv\libs" /LIBPATH:C:\Users\NuitkaDevOps\AppData\Local\Programs\Python\Python313\libs /LIBPATH:C:\Users\NuitkaDevOps\AppData\Local\Programs\Python\Python313 "/LIBPATH:C:\Users\NuitkaDevOps\Desktop\Nuitka-Issues\313t DOA\313t-venv\PCbuild\amd64" "/LIBPATH:C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\ATLMFC\lib\x64" "/LIBPATH:C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\lib\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.22621.0\ucrt\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\\lib\10.0.22621.0\\um\x64" /EXPORT:PyInit__cffi_backend build\temp.win-amd64-cpython-313\Release\src/c/_cffi_backend.obj build\temp.win-amd64-cpython-313\Release\src/c/libffi_x86_x64\ffi.obj build\temp.win-amd64-cpython-313\Release\src/c/libffi_x86_x64\prep_cif.obj build\temp.win-amd64-cpython-313\Release\src/c/libffi_x86_x64\types.obj /OUT:build\lib.win-amd64-cpython-313\_cffi_backend.cp313t-win_amd64.pyd /IMPLIB:build\temp.win-amd64-cpython-313\Release\src/c\_cffi_backend.cp313t-win_amd64.lib src/c/libffi_x86_x64\win64.obj
         Creating library build\temp.win-amd64-cpython-313\Release\src/c\_cffi_backend.cp313t-win_amd64.lib and object build\temp.win-amd64-cpython-313\Release\src/c\_cffi_backend.cp313t-win_amd64.exp
      _cffi_backend.obj : error LNK2001: unresolved external symbol _PyErr_WriteUnraisableMsg
      build\lib.win-amd64-cpython-313\_cffi_backend.cp313t-win_amd64.pyd : fatal error LNK1120: 1 unresolved externals
      error: command 'C:\\Program Files\\Microsoft Visual Studio\\2022\\Community\\VC\\Tools\\MSVC\\14.39.33519\\bin\\HostX86\\x64\\link.exe' failed with exit code 1120
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for cffi
Failed to build cffi
ERROR: ERROR: Failed to build installable wheels for some pyproject.toml based projects (cffi)
@KRRT7
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KRRT7 commented Jun 26, 2024

closing as duplicate of #40

@KRRT7 KRRT7 closed this as completed Jun 26, 2024
@arigo
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arigo commented Jun 26, 2024

The particular error you get occurs on 3.13 has been fixed already (I guess not released yet). The free-threading part is unrelated to the error, but indeed it's explained in #40.

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