Fail to compile. #70
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I have a similar issue with this code, thanks for helping |
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cffi errors are probably due to pytorch verions. Newer versions do not support the cffi interface anymore. |
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hello, I followed the steps in README.md, but got errors when I use this command:
./build_toolbox.sh
The errors are as follows:
Add -gencode to match all the GPU architectures you have.
Check 'https://en.wikipedia.org/wiki/CUDA#GPUs_supported' for list of architecture.
Check 'http://docs.nvidia.com/cuda/cuda-compiler-driver-nvcc/index.html' for GPU compilation based on architecture.
nvcc -c -o calc_prob_kernel.cu.o calc_prob_kernel.cu -x cu -Xcompiler -fPIC -I /home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/lib/include -I /home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/lib/include/TH -I /home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/lib/include/THC -I /home/yong/pycharm/GenRe-ShapeHD/toolbox/calc_prob/calc_prob/src -gencode arch=compute_30,code=sm_30 -gencode arch=compute_35,code=sm_35 -gencode arch=compute_52,code=sm_52 -gencode arch=compute_61,code=sm_61
nvcc fatal : Unsupported gpu architecture 'compute_30'
/home/yong/pycharm/GenRe-ShapeHD/toolbox/calc_prob
generating /tmp/tmp8r_iqc70/_calc_prob_lib.c
setting the current directory to '/tmp/tmp8r_iqc70'
running build_ext
building '_calc_prob_lib' extension
creating home
creating home/yong
creating home/yong/pycharm
creating home/yong/pycharm/GenRe-ShapeHD
creating home/yong/pycharm/GenRe-ShapeHD/toolbox
creating home/yong/pycharm/GenRe-ShapeHD/toolbox/calc_prob
creating home/yong/pycharm/GenRe-ShapeHD/toolbox/calc_prob/calc_prob
creating home/yong/pycharm/GenRe-ShapeHD/toolbox/calc_prob/calc_prob/src
gcc -pthread -B /home/yong/anaconda3/envs/shaperecon/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DWITH_CUDA=True -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/TH -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/THC -I/usr/local/cuda/include -I/home/yong/pycharm/GenRe-ShapeHD/toolbox/calc_prob/calc_prob/src -I/home/yong/anaconda3/envs/shaperecon/include/python3.6m -c _calc_prob_lib.c -o ./_calc_prob_lib.o -std=c99
gcc -pthread -B /home/yong/anaconda3/envs/shaperecon/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DWITH_CUDA=True -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/TH -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/THC -I/usr/local/cuda/include -I/home/yong/pycharm/GenRe-ShapeHD/toolbox/calc_prob/calc_prob/src -I/home/yong/anaconda3/envs/shaperecon/include/python3.6m -c /home/yong/pycharm/GenRe-ShapeHD/toolbox/calc_prob/calc_prob/src/calc_prob.c -o ./home/yong/pycharm/GenRe-ShapeHD/toolbox/calc_prob/calc_prob/src/calc_prob.o -std=c99
gcc -pthread -shared -B /home/yong/anaconda3/envs/shaperecon/compiler_compat -L/home/yong/anaconda3/envs/shaperecon/lib -Wl,-rpath=/home/yong/anaconda3/envs/shaperecon/lib -Wl,--no-as-needed -Wl,--sysroot=/ ./_calc_prob_lib.o ./home/yong/pycharm/GenRe-ShapeHD/toolbox/calc_prob/calc_prob/src/calc_prob.o /home/yong/pycharm/GenRe-ShapeHD/toolbox/calc_prob/calc_prob/src/calc_prob_kernel.cu.o -o ./_calc_prob_lib.so
gcc: error: /home/yong/pycharm/GenRe-ShapeHD/toolbox/calc_prob/calc_prob/src/calc_prob_kernel.cu.o: No such file or directory
Traceback (most recent call last):
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/unixccompiler.py", line 197, in link
self.spawn(linker + ld_args)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/ccompiler.py", line 909, in spawn
spawn(cmd, dry_run=self.dry_run)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/spawn.py", line 36, in spawn
_spawn_posix(cmd, search_path, dry_run=dry_run)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/spawn.py", line 159, in _spawn_posix
% (cmd, exit_status))
distutils.errors.DistutilsExecError: command 'gcc' failed with exit status 1
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/cffi/ffiplatform.py", line 51, in _build
dist.run_command('build_ext')
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/dist.py", line 974, in run_command
cmd_obj.run()
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/command/build_ext.py", line 339, in run
self.build_extensions()
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/command/build_ext.py", line 448, in build_extensions
self._build_extensions_serial()
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/command/build_ext.py", line 473, in _build_extensions_serial
self.build_extension(ext)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/command/build_ext.py", line 558, in build_extension
target_lang=language)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/ccompiler.py", line 717, in link_shared_object
extra_preargs, extra_postargs, build_temp, target_lang)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/unixccompiler.py", line 199, in link
raise LinkError(msg)
distutils.errors.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 42, in
ext.build()
File "/home/yong/anaconda3/envs/shaperecon/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/yong/anaconda3/envs/shaperecon/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/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/cffi/api.py", line 727, in compile
compiler_verbose=verbose, debug=debug, **kwds)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/cffi/recompiler.py", line 1555, in recompile
compiler_verbose, debug)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/cffi/ffiplatform.py", line 22, in compile
outputfilename = _build(tmpdir, ext, compiler_verbose, debug)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/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
Add -gencode to match all the GPU architectures you have.
Check 'https://en.wikipedia.org/wiki/CUDA#GPUs_supported' for list of architecture.
Check 'http://docs.nvidia.com/cuda/cuda-compiler-driver-nvcc/index.html' for GPU compilation based on architecture.
nvcc -c -o nnd_cuda.cu.o nnd_cuda.cu -x cu -Xcompiler -fPIC -I /home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/lib/include/TH -I /home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/lib/include/THC -I /home/yong/pycharm/GenRe-ShapeHD/toolbox/nndistance/src -I /home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/lib/include -gencode arch=compute_30,code=sm_30 -gencode arch=compute_35,code=sm_35 -gencode arch=compute_52,code=sm_52 -gencode arch=compute_61,code=sm_61
nvcc fatal : Unsupported gpu architecture 'compute_30'
Including CUDA code.
/home/yong/pycharm/GenRe-ShapeHD/toolbox/nndistance
generating /tmp/tmprhj8yz5b/_my_lib.c
setting the current directory to '/tmp/tmprhj8yz5b'
running build_ext
building '_my_lib' extension
creating home
creating home/yong
creating home/yong/pycharm
creating home/yong/pycharm/GenRe-ShapeHD
creating home/yong/pycharm/GenRe-ShapeHD/toolbox
creating home/yong/pycharm/GenRe-ShapeHD/toolbox/nndistance
creating home/yong/pycharm/GenRe-ShapeHD/toolbox/nndistance/src
gcc -pthread -B /home/yong/anaconda3/envs/shaperecon/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DWITH_CUDA -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/TH -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/THC -I/usr/local/cuda/include -I/home/yong/anaconda3/envs/shaperecon/include/python3.6m -c _my_lib.c -o ./_my_lib.o -std=c99
gcc -pthread -B /home/yong/anaconda3/envs/shaperecon/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DWITH_CUDA -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/TH -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/THC -I/usr/local/cuda/include -I/home/yong/anaconda3/envs/shaperecon/include/python3.6m -c /home/yong/pycharm/GenRe-ShapeHD/toolbox/nndistance/src/my_lib.c -o ./home/yong/pycharm/GenRe-ShapeHD/toolbox/nndistance/src/my_lib.o -std=c99
gcc -pthread -B /home/yong/anaconda3/envs/shaperecon/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DWITH_CUDA -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/TH -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/THC -I/usr/local/cuda/include -I/home/yong/anaconda3/envs/shaperecon/include/python3.6m -c /home/yong/pycharm/GenRe-ShapeHD/toolbox/nndistance/src/my_lib_cuda.c -o ./home/yong/pycharm/GenRe-ShapeHD/toolbox/nndistance/src/my_lib_cuda.o -std=c99
gcc -pthread -shared -B /home/yong/anaconda3/envs/shaperecon/compiler_compat -L/home/yong/anaconda3/envs/shaperecon/lib -Wl,-rpath=/home/yong/anaconda3/envs/shaperecon/lib -Wl,--no-as-needed -Wl,--sysroot=/ ./_my_lib.o ./home/yong/pycharm/GenRe-ShapeHD/toolbox/nndistance/src/my_lib.o ./home/yong/pycharm/GenRe-ShapeHD/toolbox/nndistance/src/my_lib_cuda.o /home/yong/pycharm/GenRe-ShapeHD/toolbox/nndistance/src/nnd_cuda.cu.o -o ./_my_lib.so
gcc: error: /home/yong/pycharm/GenRe-ShapeHD/toolbox/nndistance/src/nnd_cuda.cu.o: No such file or directory
Traceback (most recent call last):
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/unixccompiler.py", line 197, in link
self.spawn(linker + ld_args)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/ccompiler.py", line 909, in spawn
spawn(cmd, dry_run=self.dry_run)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/spawn.py", line 36, in spawn
_spawn_posix(cmd, search_path, dry_run=dry_run)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/spawn.py", line 159, in _spawn_posix
% (cmd, exit_status))
distutils.errors.DistutilsExecError: command 'gcc' failed with exit status 1
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/cffi/ffiplatform.py", line 51, in _build
dist.run_command('build_ext')
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/dist.py", line 974, in run_command
cmd_obj.run()
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/command/build_ext.py", line 339, in run
self.build_extensions()
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/command/build_ext.py", line 448, in build_extensions
self._build_extensions_serial()
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/command/build_ext.py", line 473, in _build_extensions_serial
self.build_extension(ext)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/command/build_ext.py", line 558, in build_extension
target_lang=language)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/ccompiler.py", line 717, in link_shared_object
extra_preargs, extra_postargs, build_temp, target_lang)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/unixccompiler.py", line 199, in link
raise LinkError(msg)
distutils.errors.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 35, in
ffi.build()
File "/home/yong/anaconda3/envs/shaperecon/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/yong/anaconda3/envs/shaperecon/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/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/cffi/api.py", line 727, in compile
compiler_verbose=verbose, debug=debug, **kwds)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/cffi/recompiler.py", line 1555, in recompile
compiler_verbose, debug)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/cffi/ffiplatform.py", line 22, in compile
outputfilename = _build(tmpdir, ext, compiler_verbose, debug)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/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
Add -gencode to match all the GPU architectures you have.
Check 'https://en.wikipedia.org/wiki/CUDA#GPUs_supported' for list of architecture.
Check 'http://docs.nvidia.com/cuda/cuda-compiler-driver-nvcc/index.html' for GPU compilation based on architecture.
nvcc -c -o back_projection_kernel.cu.o back_projection_kernel.cu -x cu -Xcompiler -fPIC -I /home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/lib/include/TH -I /home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/lib/include -I /home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/lib/include/THC -I /home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp/cam_bp/src -I /home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/lib/include -gencode arch=compute_30,code=sm_30 -gencode arch=compute_35,code=sm_35 -gencode arch=compute_52,code=sm_52 -gencode arch=compute_61,code=sm_61
nvcc fatal : Unsupported gpu architecture 'compute_30'
/home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp
/home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp
generating /tmp/tmp2n8h7i0j/_cam_bp_lib.c
setting the current directory to '/tmp/tmp2n8h7i0j'
running build_ext
building '_cam_bp_lib' extension
creating home
creating home/yong
creating home/yong/pycharm
creating home/yong/pycharm/GenRe-ShapeHD
creating home/yong/pycharm/GenRe-ShapeHD/toolbox
creating home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp
creating home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp/cam_bp
creating home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp/cam_bp/src
gcc -pthread -B /home/yong/anaconda3/envs/shaperecon/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DWITH_CUDA=True -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/TH -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/THC -I/usr/local/cuda/include -I/home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp/cam_bp/src -I/home/yong/anaconda3/envs/shaperecon/include/python3.6m -c _cam_bp_lib.c -o ./_cam_bp_lib.o -std=c99
gcc -pthread -B /home/yong/anaconda3/envs/shaperecon/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DWITH_CUDA=True -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/TH -I/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/torch/utils/ffi/../../lib/include/THC -I/usr/local/cuda/include -I/home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp/cam_bp/src -I/home/yong/anaconda3/envs/shaperecon/include/python3.6m -c /home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp/cam_bp/src/back_projection.c -o ./home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp/cam_bp/src/back_projection.o -std=c99
gcc -pthread -shared -B /home/yong/anaconda3/envs/shaperecon/compiler_compat -L/home/yong/anaconda3/envs/shaperecon/lib -Wl,-rpath=/home/yong/anaconda3/envs/shaperecon/lib -Wl,--no-as-needed -Wl,--sysroot=/ ./_cam_bp_lib.o ./home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp/cam_bp/src/back_projection.o /home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp/cam_bp/src/back_projection_kernel.cu.o -o ./_cam_bp_lib.so
gcc: error: /home/yong/pycharm/GenRe-ShapeHD/toolbox/cam_bp/cam_bp/src/back_projection_kernel.cu.o: No such file or directory
Traceback (most recent call last):
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/unixccompiler.py", line 197, in link
self.spawn(linker + ld_args)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/ccompiler.py", line 909, in spawn
spawn(cmd, dry_run=self.dry_run)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/spawn.py", line 36, in spawn
_spawn_posix(cmd, search_path, dry_run=dry_run)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/spawn.py", line 159, in _spawn_posix
% (cmd, exit_status))
distutils.errors.DistutilsExecError: command 'gcc' failed with exit status 1
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/cffi/ffiplatform.py", line 51, in _build
dist.run_command('build_ext')
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/dist.py", line 974, in run_command
cmd_obj.run()
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/command/build_ext.py", line 339, in run
self.build_extensions()
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/command/build_ext.py", line 448, in build_extensions
self._build_extensions_serial()
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/command/build_ext.py", line 473, in _build_extensions_serial
self.build_extension(ext)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/command/build_ext.py", line 558, in build_extension
target_lang=language)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/ccompiler.py", line 717, in link_shared_object
extra_preargs, extra_postargs, build_temp, target_lang)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/distutils/unixccompiler.py", line 199, in link
raise LinkError(msg)
distutils.errors.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 43, in
ffi.build()
File "/home/yong/anaconda3/envs/shaperecon/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/yong/anaconda3/envs/shaperecon/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/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/cffi/api.py", line 727, in compile
compiler_verbose=verbose, debug=debug, **kwds)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/cffi/recompiler.py", line 1555, in recompile
compiler_verbose, debug)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/cffi/ffiplatform.py", line 22, in compile
outputfilename = _build(tmpdir, ext, compiler_verbose, debug)
File "/home/yong/anaconda3/envs/shaperecon/lib/python3.6/site-packages/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
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