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Can't build on ubuntu 18

See original GitHub issue

I followed the install procedure as outlined in the docs with python 3.7. On mac it just works. On a ubuntu 18 machine with gpu (CUDA Version: 11.0), it fails with the following logs. Are the “type traits” errors the reason for failure, or something else? Been bashing my head at this for hours now and not really making any progress.

-- pybind11 v2.6.0 dev
-- Using pybind11: (version "2.6.0" dev)
-- Build with CUDA support
INFO Building without TensorFlow support (not found)
-- Configuring done
-- Generating done
-- Build files have been written to: /home/ubuntu/Code/diffvg/build/temp.linux-x86_64-3.7
[ 14%] Building NVCC (Device) object CMakeFiles/diffvg.dir/diffvg_generated_scene.cpp.o
[ 28%] Building NVCC (Device) object CMakeFiles/diffvg.dir/diffvg_generated_diffvg.cpp.o
/home/ubuntu/anaconda3/envs/pytorch_latest_p37/x86_64-conda-linux-gnu/include/c++/9.3.0/type_traits(148): error: "__or_v" is not a function or static data member

/home/ubuntu/anaconda3/envs/pytorch_latest_p37/x86_64-conda-linux-gnu/include/c++/9.3.0/type_traits(148): error: "constexpr" is not valid here

/home/ubuntu/anaconda3/envs/pytorch_latest_p37/x86_64-conda-linux-gnu/include/c++/9.3.0/type_traits(150): error: "__and_v" is not a function or static data member
... more of these warnings...
/home/ubuntu/anaconda3/envs/pytorch_latest_p37/x86_64-conda-linux-gnu/include/c++/9.3.0/type_traits(2885): error: "is_scalar_v" is not a function or static data member
    self.run_command('build_ext')
  File "/home/ubuntu/anaconda3/envs/pytorch_latest_p37/lib/python3.7/distutils/cmd.py", line 313, in run_command
    self.distribution.run_command(command)
  File "/home/ubuntu/anaconda3/envs/pytorch_latest_p37/lib/python3.7/distutils/dist.py", line 985, in run_command
    cmd_obj.run()
  File "setup.py", line 31, in run
    super().run()
  File "/home/ubuntu/anaconda3/envs/pytorch_latest_p37/lib/python3.7/site-packages/setuptools/command/build_ext.py", line 79, in run
    _build_ext.run(self)
  File "/home/ubuntu/anaconda3/envs/pytorch_latest_p37/lib/python3.7/site-packages/Cython/Distutils/old_build_ext.py", line 186, in run
    _build_ext.build_ext.run(self)
  File "/home/ubuntu/anaconda3/envs/pytorch_latest_p37/lib/python3.7/distutils/command/build_ext.py", line 340, in run
    self.build_extensions()
  File "/home/ubuntu/anaconda3/envs/pytorch_latest_p37/lib/python3.7/site-packages/Cython/Distutils/old_build_ext.py", line 195, in build_extensions
    _build_ext.build_ext.build_extensions(self)
  File "/home/ubuntu/anaconda3/envs/pytorch_latest_p37/lib/python3.7/distutils/command/build_ext.py", line 449, in build_extensions
    self._build_extensions_serial()
  File "/home/ubuntu/anaconda3/envs/pytorch_latest_p37/lib/python3.7/distutils/command/build_ext.py", line 474, in _build_extensions_serial
    self.build_extension(ext)
  File "setup.py", line 65, in build_extension
    subprocess.check_call(['cmake', '--build', '.'] + build_args, cwd=self.build_temp)
  File "/home/ubuntu/anaconda3/envs/pytorch_latest_p37/lib/python3.7/subprocess.py", line 363, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['cmake', '--build', '.', '--config', 'Release', '--', '-j8']' returned non-zero exit status 2.