Failed to build diff_gaussian_rasterization ERROR: Could not build wheels for diff_gaussian_rasterization, which is required to install pyproject.toml-based projects

[ggup13]

Thank you for open sourcing such a good project，I encountered the following problems during installation.
command：pip install submodules/langsplat-rasterization

Looking in indexes: https://mirrors.ustc.edu.cn/pypi/web/simple
Processing ./submodules/langsplat-rasterization
  Preparing metadata (setup.py) ... done
Building wheels for collected packages: diff_gaussian_rasterization
  Building wheel for diff_gaussian_rasterization (setup.py) ... error
  error: subprocess-exited-with-error
  
  × python setup.py bdist_wheel did not run successfully.
  │ exit code: 1
  ╰─> [11 lines of output]
      running bdist_wheel
      /home/lzw/anaconda3/envs/langsplat/lib/python3.7/site-packages/torch/utils/cpp_extension.py:411: UserWarning: Attempted to use ninja as the BuildExtension backend but we could not find ninja.. Falling back to using the slow distutils backend.
        warnings.warn(msg.format('we could not find ninja.'))
      running build
      running build_py
      creating build
      creating build/lib.linux-x86_64-cpython-37
      creating build/lib.linux-x86_64-cpython-37/diff_gaussian_rasterization
      copying diff_gaussian_rasterization/__init__.py -> build/lib.linux-x86_64-cpython-37/diff_gaussian_rasterization
      running build_ext
      error: [Errno 2] No such file or directory: ':/usr/local/cuda:/usr/local/cuda/bin/nvcc': ':/usr/local/cuda:/usr/local/cuda/bin/nvcc'
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for diff_gaussian_rasterization
  Running setup.py clean for diff_gaussian_rasterization
Failed to build diff_gaussian_rasterization
ERROR: Could not build wheels for diff_gaussian_rasterization, which is required to install pyproject.toml-based projects

[watermelon097]

I have solve the problem with this command:

git submodule update --init --recursive

[king1111sadjfoisja]

I have solve the problem with this command:

git submodule update --init --recursive

Hello! Could you tell me more about how you solved this problem? Thank you very much if you can!

[king1111sadjfoisja]

I also encountered this problem when installing the environment, how do you solve it?