MSVC's link.exe could not build visions.obj

[b-sia]

I am building the project by running pip install -e detectron2. However I encountered this error.

    ERROR: Command errored out with exit status 1:
     command: 'C:\Users\Deployment\.conda\envs\sliding_windows_py37_copy\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'F:\\detectron2\\setup.py'"'"'; __file__='"'"'F:\\detectron2\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' develop --no-deps
         cwd: F:\detectron2\
    Complete output (22 lines):
    running develop
    running egg_info
    writing detectron2.egg-info\PKG-INFO
    writing dependency_links to detectron2.egg-info\dependency_links.txt
    writing requirements to detectron2.egg-info\requires.txt
    writing top-level names to detectron2.egg-info\top_level.txt
    reading manifest file 'detectron2.egg-info\SOURCES.txt'
    writing manifest file 'detectron2.egg-info\SOURCES.txt'
    running build_ext
    building 'detectron2._C' extension
    Emitting ninja build file F:\detectron2\build\temp.win-amd64-3.7\Release\build.ninja...
    Compiling objects...
    Allowing ninja to set a default number of workers... (overridable by setting the environment variable MAX_JOBS=N)
    1.9.0
    C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.27.29110\bin\Hostx64\x86\link.exe /nologo /INCREMENTAL:NO /LTCG /DLL /MANIFEST:EMBED,ID=2 /MANIFESTUAC:NO /LIBPATH:C:\Users\Deployment\.conda\envs\sliding_windows_py37_copy\lib\site-packages\torch\lib "/LIBPATH:C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1\lib/x64" /LIBPATH:C:\Users\Deployment\.conda\envs\sliding_windows_py37_copy\libs /LIBPATH:C:\Users\Deployment\.conda\envs\sliding_windows_py37_copy\PCbuild\amd64 /LIBPATH:C:\Users\Deployment\.conda\envs\sliding_windows_py37_copy\Library\lib c10.lib torch.lib torch_cpu.lib torch_python.lib cudart.lib c10_cuda.lib torch_cuda.lib /EXPORT:PyInit__C F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\vision.obj F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\ROIAlign\ROIAlign_cpu.obj F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\ROIAlignRotated\ROIAlignRotated_cpu.obj F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\box_iou_rotated\box_iou_rotated_cpu.obj F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\nms_rotated\nms_rotated_cpu.obj F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\ROIAlign\ROIAlign_cuda.obj F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\ROIAlignRotated\ROIAlignRotated_cuda.obj F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\box_iou_rotated\box_iou_rotated_cuda.obj F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\deformable\deform_conv_cuda.obj F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\deformable\deform_conv_cuda_kernel.obj F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\nms_rotated\nms_rotated_cuda.obj F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\cuda_version.obj /OUT:build\lib.win-amd64-3.7\detectron2\_C.cp37-win_amd64.pyd /IMPLIB:F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\_C.cp37-win_amd64.lib
    LINK : fatal error LNK1181: cannot open input file 'F:\detectron2\build\temp.win-amd64-3.7\Release\detectron2\detectron2\layers\csrc\vision.obj'
    error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\BuildTools\\VC\\Tools\\MSVC\\14.27.29110\\bin\\Hostx64\\x86\\link.exe' failed with exit status 1181

The linker could not open visions.obj as it was not built. Am I missing out on some includes and dependencies? Thanks.

[YuHangLau]

hello, I meet the same question. Did you solve it ?

[C4712]

i also meet the problem.Did you solve it ?