Unable to build iou3d_NMS

[shifu-learner]

Hi,

I followed the installation procedure as mentioned. But when I build iou3d_NMS it returns an error.
I am new to object detection task. Could you please help me resolve this issue.
Below is the error:

(centerpoint) manjunat@tesla:~/mydocker/MGTANet/det3d/ops/iou3d_nms$ python setup.py build_ext --inplace
running build_ext
Traceback (most recent call last):
File "setup.py", line 16, in
cmdclass={'build_ext': BuildExtension})
File "/raid/home/manjunat/miniconda3/envs/centerpoint/lib/python3.6/site-packages/setuptools/init.py", line 153, in setup
return distutils.core.setup(**attrs)
File "/raid/home/manjunat/miniconda3/envs/centerpoint/lib/python3.6/distutils/core.py", line 148, in setup
dist.run_commands()
File "/raid/home/manjunat/miniconda3/envs/centerpoint/lib/python3.6/distutils/dist.py", line 955, in run_commands
self.run_command(cmd)
File "/raid/home/manjunat/miniconda3/envs/centerpoint/lib/python3.6/distutils/dist.py", line 974, in run_command
cmd_obj.run()
File "/raid/home/manjunat/miniconda3/envs/centerpoint/lib/python3.6/site-packages/setuptools/command/build_ext.py", line 79, in run
_build_ext.run(self)
File "/raid/home/manjunat/miniconda3/envs/centerpoint/lib/python3.6/distutils/command/build_ext.py", line 339, in run
self.build_extensions()
File "/raid/home/manjunat/miniconda3/envs/centerpoint/lib/python3.6/site-packages/torch/utils/cpp_extension.py", line 232, in build_extensions
self._check_abi()
File "/raid/home/manjunat/miniconda3/envs/centerpoint/lib/python3.6/site-packages/torch/utils/cpp_extension.py", line 370, in _check_abi
check_compiler_abi_compatibility(compiler)
File "/raid/home/manjunat/miniconda3/envs/centerpoint/lib/python3.6/site-packages/torch/utils/cpp_extension.py", line 162, in check_compiler_abi_compatibility
if not check_compiler_ok_for_platform(compiler):
File "/raid/home/manjunat/miniconda3/envs/centerpoint/lib/python3.6/site-packages/torch/utils/cpp_extension.py", line 138, in check_compiler_ok_for_platform
which = subprocess.check_output(['which', compiler], stderr=subprocess.STDOUT)
File "/raid/home/manjunat/miniconda3/envs/centerpoint/lib/python3.6/subprocess.py", line 356, in check_output
**kwargs).stdout
File "/raid/home/manjunat/miniconda3/envs/centerpoint/lib/python3.6/subprocess.py", line 438, in run
output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['which', 'g++']' returned non-zero exit status 1.