LinkError: command 'gcc' failed with exit status 1

[SkyBroY]

LinkError: command 'gcc' failed with exit status 1 During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "build.py", line 40, in ffi.build() File "/home/wei.li/anaconda3/envs/group_1/lib/python3.6/site-packages/torch/utils/ffi/init.py", line 189, in build _build_extension(ffi, cffi_wrapper_name, target_dir, verbose) File "/home/wei.li/anaconda3/envs/group_1/lib/python3.6/site-packages/torch/utils/ffi/init.py", line 111, in _build_extension outfile = ffi.compile(tmpdir=tmpdir, verbose=verbose, target=libname) File "/home/wei.li/anaconda3/envs/group_1/lib/python3.6/site-packages/cffi-1.15.0-py3.6-linux-x86_64.egg/cffi/api.py", line 727, in compile compiler_verbose=verbose, debug=debug, **kwds) File "/home/wei.li/anaconda3/envs/group_1/lib/python3.6/site-packages/cffi-1.15.0-py3.6-linux-x86_64.egg/cffi/recompiler.py", line 1565, in recompile compiler_verbose, debug) File "/home/wei.li/anaconda3/envs/group_1/lib/python3.6/site-packages/cffi-1.15.0-py3.6-linux-x86_64.egg/cffi/ffiplatform.py", line 22, in compile outputfilename = _build(tmpdir, ext, compiler_verbose, debug) File "/home/wei.li/anaconda3/envs/group_1/lib/python3.6/site-packages/cffi-1.15.0-py3.6-linux-x86_64.egg/cffi/ffiplatform.py", line 58, in _build raise VerificationError('%s: %s' % (e.class.name, e)) cffi.VerificationError: LinkError: command 'gcc' failed with exit status 1