OS: MAC OS 10.13
python: anaconda 3.7
Compiler: gcc-8 and g+±8
NO_CUDA=1 CC=gcc-8 CXX=g+±8 python setup.py install
this also does not work for
NO_CUDA=1 NO_DISTRIBUTED=1 NO_QNNPACK=1 DEBUG=1 NO_CAFFE2_OPS=1 CC=gcc-8 CXX=g+±8 python setup.py install
– ******** Summary ********
–   CMake version         : 3.12.3
–   CMake command         : /usr/local/Cellar/cmake/3.12.3/bin/cmake
–   System                : Darwin
–   C++ compiler          : /usr/local/bin/g+±8
–   C++ compiler version  : 8.2.0
–   CXX flags             :  -Wno-deprecated -fvisibility-inlines-hidden -Wno-deprecated-declarations
–   Build type            : Debug
–   Compile definitions   :
–   CMAKE_PREFIX_PATH     : /anaconda3/lib/python3.7/site-packages
–   CMAKE_INSTALL_PREFIX  : /Users/krishna.singh/Desktop/Object_Detection/Models/maskrcnn-benchmark/github/pytorch/torch/lib/tmp_install
–   CMAKE_MODULE_PATH     : /Users/krishna.singh/Desktop/Object_Detection/Models/maskrcnn-benchmark/github/pytorch/cmake/Modules
–   ONNX version          : 1.3.0
–   ONNX NAMESPACE        : onnx_torch
–   ONNX_BUILD_TESTS      : OFF
–   ONNX_BUILD_BENCHMARKS : OFF
–   ONNX_USE_LITE_PROTO   : OFF
–   ONNXIFI_DUMMY_BACKEND : OFF
–   Protobuf compiler     :
–   Protobuf includes     :
–   Protobuf libraries    :
–   BUILD_ONNX_PYTHON     : OFF
– Found gcc >=5 and CUDA <= 7.5, adding workaround C++ flags
– Could not find CUDA with FP16 support, compiling without torch.CudaHalfTensor
– Removing -DNDEBUG from compile flags
– MAC OS Darwin Version: 17
– Compiling with OpenMP support
– MAGMA not found. Compiling without MAGMA support
– Could not find hardware support for NEON on this machine.
– No OMAP3 processor on this machine.
– No OMAP4 processor on this machine.
– AVX compiler support found
– AVX2 compiler support found
– Atomics: using C11 intrinsics
– Found a library with LAPACK API. (accelerate)
– CuDNN not found. Compiling without CuDNN support
disabling CUDA because NOT USE_CUDA is set
– MIOpen not found. Compiling without MIOpen support
disabling ROCM because NOT USE_ROCM is set
disabling MKLDNN because USE_MKLDNN is not set
– GCC 8.2.0: Adding gcc and gcc_s libs to link line
– Using python found in /anaconda3/bin/python
disabling CUDA because USE_CUDA is set false
– Found OpenMP_C: -fopenmp
– Found OpenMP_CXX: -fopenmp
– Found OpenMP: TRUE
– Configuring build for SLEEF-v3.2
Target system: Darwin-17.7.0
Target processor: x86_64
Host system: Darwin-17.7.0
Host processor: x86_64
Detected C compiler: GNU @ /usr/local/bin/gcc-8
– Using option -Wall -Wno-unused -Wno-attributes -Wno-unused-result -Wno-psabi -ffp-contract=off -fno-math-errno -fno-trapping-math to compile libsleef
– Building shared libs : OFF
– MPFR : /usr/local/lib/libmpfr.dylib
– MPFR header file in /usr/local/include
– GMP : /usr/local/lib/libgmp.dylib
– RUNNING_ON_TRAVIS : 0
– COMPILER_SUPPORTS_OPENMP : 1
– Using python found in /anaconda3/bin/python
– /usr/local/bin/g+±8 /Users/krishna.singh/Desktop/Object_Detection/Models/maskrcnn-benchmark/github/pytorch/torch/abi-check.cpp -o /Users/krishna.singh/Desktop/Object_Detection/Models/maskrcnn-benchmark/github/pytorch/build/abi-check
– Determined _GLIBCXX_USE_CXX11_ABI=1
– NCCL operators skipped due to no CUDA support
– Excluding ideep operators as we are not using ideep
– Excluding image processing operators due to no opencv
– Excluding video processing operators due to no opencv
– MPI operators skipped due to no MPI support
– Include Observer library
– Using lib/python3.7/site-packages as python relative installation path
– Automatically generating missing init.py files.
– A previous caffe2 cmake run already created the init.py files.
CMake Warning at CMakeLists.txt:387 (message):
Generated cmake files are only fully tested if one builds with system glog,
gflags, and protobuf.  Other settings may generate files that are not well
tested.
–
– ******** Summary ********
– General:
–   CMake version         : 3.12.3
–   CMake command         : /usr/local/Cellar/cmake/3.12.3/bin/cmake
–   System                : Darwin
–   C++ compiler          : /usr/local/bin/g+±8
–   C++ compiler version  : 8.2.0
–   BLAS                  : MKL
–   CXX flags             :  -Wno-deprecated -fvisibility-inlines-hidden -Wno-deprecated-declarations -D_FORCE_INLINES -D_MWAITXINTRIN_H_INCLUDED -D__STRICT_ANSI__ -fopenmp -O2 -fPIC -Wno-narrowing -Wall -Wextra -Wno-missing-field-initializers -Wno-type-limits -Wno-array-bounds -Wno-unknown-pragmas -Wno-sign-compare -Wno-unused-parameter -Wno-unused-variable -Wno-unused-function -Wno-unused-result -Wno-strict-overflow -Wno-strict-aliasing -Wno-error=deprecated-declarations -Wno-stringop-overflow -Wno-error=pedantic -Wno-error=redundant-decls -Wno-error=old-style-cast -Wno-unused-private-field -Wno-missing-braces -Wno-c++14-extensions -Wno-constexpr-not-const -Wno-stringop-overflow
–   Build type            : Debug
–   Compile definitions   : ONNX_NAMESPACE=onnx_torch;USE_C11_ATOMICS=1;HAVE_MMAP=1;_FILE_OFFSET_BITS=64;HAVE_SHM_OPEN=1;HAVE_SHM_UNLINK=1
–   CMAKE_PREFIX_PATH     : /anaconda3/lib/python3.7/site-packages
–   CMAKE_INSTALL_PREFIX  : /Users/krishna.singh/Desktop/Object_Detection/Models/maskrcnn-benchmark/github/pytorch/torch/lib/tmp_install
–   TORCH_VERSION         : 1.0.0
–   CAFFE2_VERSION        : 1.0.0
–   BUILD_ATEN_MOBILE     : OFF
–   BUILD_ATEN_ONLY       : OFF
–   BUILD_BINARY          : OFF
–   BUILD_CUSTOM_PROTOBUF : ON
–     Link local protobuf : ON
–   BUILD_DOCS            : OFF
–   BUILD_PYTHON          : ON
–     Python version      : 3.7
–     Python executable   : /anaconda3/bin/python
–     Pythonlibs version  : 3.7.0
–     Python library      : /anaconda3/lib/libpython3.7m.dylib
–     Python includes     : /anaconda3/include/python3.7m
–     Python site-packages: lib/python3.7/site-packages
–   BUILD_CAFFE2_OPS      : OFF
–   BUILD_SHARED_LIBS     : ON
–   BUILD_TEST            : ON
–   USE_ASAN              : OFF
–   USE_CUDA              : 0
–   USE_ROCM              : OFF
–   USE_EIGEN_FOR_BLAS    : ON
–   USE_FFMPEG            : OFF
–   USE_GFLAGS            : OFF
–   USE_GLOG              : OFF
–   USE_LEVELDB           : OFF
–   USE_LITE_PROTO        : OFF
–   USE_LMDB              : OFF
–   USE_METAL             : OFF
–   USE_MKL               : OFF
–   USE_MKLDNN            : OFF
–   USE_MOBILE_OPENGL     : OFF
–   USE_NCCL              : OFF
–   USE_NNPACK            : 1
–   USE_NUMPY             : ON
–   USE_OBSERVERS         : ON
–   USE_OPENCL            : OFF
–   USE_OPENCV            : OFF
–   USE_OPENMP            : OFF
–   USE_PROF              : OFF
–   USE_QNNPACK           : 0
–   USE_REDIS             : OFF
–   USE_ROCKSDB           : OFF
–   USE_ZMQ               : OFF
–   USE_DISTRIBUTED       : OFF
–   Public Dependencies  : Threads::Threads
–   Private Dependencies : nnpack;cpuinfo;fp16;onnxifi_loader;gcc_s;gcc
– Configuring done
– Generating done
– Build files have been written to: /Users/krishna.singh/Desktop/Object_Detection/Models/maskrcnn-benchmark/github/pytorch/build

ninja install -j4

Error
FAILED: lib/libcaffe2.dylib
ld: library not found for -lgcc_s
collect2: error: ld returned 1 exit status
[1279/1481] Building CXX object modules/observers/CMakeFiles/caffe2_observers.dir/observer_config.cc.o
[1280/1481] Building CXX object modules/observers/CMakeFiles/caffe2_observers.dir/net_observer_reporter_print.cc.o
[1281/1481] Building CXX object modules/module_test/CMakeFiles/caffe2_module_test_dynamic.dir/module_test_dynamic.cc.o
ninja: build stopped: subcommand failed.
setup.py::build_deps::run()
Failed to run ‘bash …/tools/build_pytorch_libs.sh --use-nnpack caffe2’
Case 2
OS: Mac OSX 10.13
python: anacnonda 3.7
compiler: clang and clang++
make command: NO_CUDA=1 NO_DISTRIBUTED=1 NO_QNNPACK=1 DEBUG=1 NO_CAFFE2_OPS=1 CC=clang CXX=clang++ python setup.py install
– ******** Summary ********
–   CMake version         : 3.12.3
–   CMake command         : /usr/local/Cellar/cmake/3.12.3/bin/cmake
–   System                : Darwin
–   C++ compiler          : /Library/Developer/CommandLineTools/usr/bin/clang++
–   C++ compiler version  : 10.0.0.10001044
–   CXX flags             :  -Wno-deprecated -fvisibility-inlines-hidden -Wno-deprecated-declarations
–   Build type            : Debug
–   Compile definitions   :
–   CMAKE_PREFIX_PATH     : /anaconda3/lib/python3.7/site-packages
–   CMAKE_INSTALL_PREFIX  : /Users/krishna.singh/Desktop/Object_Detection/Models/maskrcnn-benchmark/github/pytorch/torch/lib/tmp_install
–   CMAKE_MODULE_PATH     : /Users/krishna.singh/Desktop/Object_Detection/Models/maskrcnn-benchmark/github/pytorch/cmake/Modules
–   ONNX version          : 1.3.0
–   ONNX NAMESPACE        : onnx_torch
–   ONNX_BUILD_TESTS      : OFF
–   ONNX_BUILD_BENCHMARKS : OFF
–   ONNX_USE_LITE_PROTO   : OFF
–   ONNXIFI_DUMMY_BACKEND : OFF
–   Protobuf compiler     :
–   Protobuf includes     :
–   Protobuf libraries    :
–   BUILD_ONNX_PYTHON     : OFF
– Could not find CUDA with FP16 support, compiling without torch.CudaHalfTensor
– Removing -DNDEBUG from compile flags
– Found OpenMP_C: -Xclang -fopenmp (found version “3.1”)
– Found OpenMP_CXX: -Xclang -fopenmp (found version “3.1”)
– Found OpenMP: TRUE (found version “3.1”)
– Compiling with OpenMP support
– MAGMA not found. Compiling without MAGMA support
– Could not find hardware support for NEON on this machine.
– No OMAP3 processor on this machine.
– No OMAP4 processor on this machine.
– Looking for cpuid.h
– Looking for cpuid.h - found
– Performing Test HAVE_GCC_GET_CPUID
– Performing Test HAVE_GCC_GET_CPUID - Success
– Performing Test NO_GCC_EBX_FPIC_BUG
– Performing Test NO_GCC_EBX_FPIC_BUG - Success
– Performing Test C_HAS_AVX_1
– Performing Test C_HAS_AVX_1 - Failed
– Performing Test C_HAS_AVX_2
– Performing Test C_HAS_AVX_2 - Success
– Performing Test C_HAS_AVX2_1
– Performing Test C_HAS_AVX2_1 - Failed
– Performing Test C_HAS_AVX2_2
– Performing Test C_HAS_AVX2_2 - Success
– Performing Test CXX_HAS_AVX_1
– Performing Test CXX_HAS_AVX_1 - Failed
– Performing Test CXX_HAS_AVX_2
– Performing Test CXX_HAS_AVX_2 - Success
– Performing Test CXX_HAS_AVX2_1
– Performing Test CXX_HAS_AVX2_1 - Failed
– Performing Test CXX_HAS_AVX2_2
– Performing Test CXX_HAS_AVX2_2 - Success
– AVX compiler support found
– AVX2 compiler support found
– Performing Test HAS_C11_ATOMICS
– Performing Test HAS_C11_ATOMICS - Failed
– Performing Test HAS_MSC_ATOMICS
– Performing Test HAS_MSC_ATOMICS - Failed
– Performing Test HAS_GCC_ATOMICS
– Performing Test HAS_GCC_ATOMICS - Success
– Atomics: using GCC intrinsics
– Looking for cheev_
– Looking for cheev_ - found
– Found a library with LAPACK API. (accelerate)
– CuDNN not found. Compiling without CuDNN support
– MIOpen not found. Compiling without MIOpen support
– Looking for mmap
– Looking for mmap - found
– Looking for shm_open
– Looking for shm_open - found
– Looking for shm_unlink
– Looking for shm_unlink - found
– Looking for malloc_usable_size
– Looking for malloc_usable_size - not found
– Performing Test C_HAS_THREAD
– Performing Test C_HAS_THREAD - Success
– Using python found in /anaconda3/bin/python
– Check size of long double
– Check size of long double - done
– Performing Test COMPILER_SUPPORTS_LONG_DOUBLE
– Performing Test COMPILER_SUPPORTS_LONG_DOUBLE - Success
– Performing Test COMPILER_SUPPORTS_FLOAT128
– Performing Test COMPILER_SUPPORTS_FLOAT128 - Failed
– Performing Test COMPILER_SUPPORTS_SSE2
– Performing Test COMPILER_SUPPORTS_SSE2 - Success
– Performing Test COMPILER_SUPPORTS_SSE4
– Performing Test COMPILER_SUPPORTS_SSE4 - Success
– Performing Test COMPILER_SUPPORTS_AVX
– Performing Test COMPILER_SUPPORTS_AVX - Success
– Performing Test COMPILER_SUPPORTS_FMA4
– Performing Test COMPILER_SUPPORTS_FMA4 - Success
– Performing Test COMPILER_SUPPORTS_AVX2
– Performing Test COMPILER_SUPPORTS_AVX2 - Success
– Performing Test COMPILER_SUPPORTS_SVE
– Performing Test COMPILER_SUPPORTS_SVE - Failed
– Performing Test COMPILER_SUPPORTS_AVX512F
– Performing Test COMPILER_SUPPORTS_AVX512F - Success
– Found OpenMP_C: -Xclang -fopenmp (found version “3.1”)
– Found OpenMP_CXX: -Xclang -fopenmp (found version “3.1”)
– Performing Test COMPILER_SUPPORTS_OPENMP
– Performing Test COMPILER_SUPPORTS_OPENMP - Failed
– Performing Test COMPILER_SUPPORTS_WEAK_ALIASES
– Performing Test COMPILER_SUPPORTS_WEAK_ALIASES - Failed
– Performing Test COMPILER_SUPPORTS_BUILTIN_MATH
– Performing Test COMPILER_SUPPORTS_BUILTIN_MATH - Success
– Configuring build for SLEEF-v3.2
– Using option -Wall -Wno-unused -Wno-attributes -Wno-unused-result -ffp-contract=off -fno-math-errno -fno-trapping-math to compile libsleef
– Building shared libs : OFF
– MPFR : /usr/local/lib/libmpfr.dylib
– MPFR header file in /usr/local/include
– GMP : /usr/local/lib/libgmp.dylib
– RUNNING_ON_TRAVIS : 0
– COMPILER_SUPPORTS_OPENMP :
– Using python found in /anaconda3/bin/python
– NCCL operators skipped due to no CUDA support
– Excluding ideep operators as we are not using ideep
– Excluding image processing operators due to no opencv
– Excluding video processing operators due to no opencv
– MPI operators skipped due to no MPI support
– Include Observer library
– Using lib/python3.7/site-packages as python relative installation path
– Automatically generating missing init.py files.
– ******** Summary ********
– General:
–   CMake version         : 3.12.3
–   CMake command         : /usr/local/Cellar/cmake/3.12.3/bin/cmake
–   System                : Darwin
–   C++ compiler          : /Library/Developer/CommandLineTools/usr/bin/clang++
–   C++ compiler version  : 10.0.0.10001044
–   BLAS                  : MKL
–   CXX flags             :  -Wno-deprecated -fvisibility-inlines-hidden -Wno-deprecated-declarations -Xclang -fopenmp -O2 -fPIC -Wno-narrowing -Wall -Wextra -Wno-missing-field-initializers -Wno-type-limits -Wno-array-bounds -Wno-unknown-pragmas -Wno-sign-compare -Wno-unused-parameter -Wno-unused-variable -Wno-unused-function -Wno-unused-result -Wno-strict-overflow -Wno-strict-aliasing -Wno-error=deprecated-declarations -Wno-error=pedantic -Wno-error=redundant-decls -Wno-error=old-style-cast -Wno-invalid-partial-specialization -Wno-typedef-redefinition -Wno-unknown-warning-option -Wno-unused-private-field -Wno-inconsistent-missing-override -Wno-aligned-allocation-unavailable -Wno-c++14-extensions -Wno-constexpr-not-const -Wno-missing-braces -Qunused-arguments -faligned-new -Wno-unused-private-field -Wno-missing-braces -Wno-c++14-extensions -Wno-constexpr-not-const
–   Build type            : Debug
–   Compile definitions   : ONNX_NAMESPACE=onnx_torch;USE_GCC_ATOMICS=1;HAVE_MMAP=1;_FILE_OFFSET_BITS=64;HAVE_SHM_OPEN=1;HAVE_SHM_UNLINK=1
–   CMAKE_PREFIX_PATH     : /anaconda3/lib/python3.7/site-packages
–   CMAKE_INSTALL_PREFIX  : /Users/krishna.singh/Desktop/Object_Detection/Models/maskrcnn-benchmark/github/pytorch/torch/lib/tmp_install
–   TORCH_VERSION         : 1.0.0
–   CAFFE2_VERSION        : 1.0.0
–   BUILD_ATEN_MOBILE     : OFF
–   BUILD_ATEN_ONLY       : OFF
–   BUILD_BINARY          : OFF
–   BUILD_CUSTOM_PROTOBUF : ON
–     Link local protobuf : ON
–   BUILD_DOCS            : OFF
–   BUILD_PYTHON          : ON
–     Python version      : 3.7
–     Python executable   : /anaconda3/bin/python
–     Pythonlibs version  : 3.7.0
–     Python library      : /anaconda3/lib/libpython3.7m.dylib
–     Python includes     : /anaconda3/include/python3.7m
–     Python site-packages: lib/python3.7/site-packages
–   BUILD_CAFFE2_OPS      : OFF
–   BUILD_SHARED_LIBS     : ON
–   BUILD_TEST            : ON
–   USE_ASAN              : OFF
–   USE_CUDA              : 0
–   USE_ROCM              : OFF
–   USE_EIGEN_FOR_BLAS    : ON
–   USE_FFMPEG            : OFF
–   USE_GFLAGS            : OFF
–   USE_GLOG              : OFF
–   USE_LEVELDB           : OFF
–   USE_LITE_PROTO        : OFF
–   USE_LMDB              : OFF
–   USE_METAL             : OFF
–   USE_MKL               : OFF
–   USE_MKLDNN            : OFF
–   USE_MOBILE_OPENGL     : OFF
–   USE_NCCL              : OFF
–   USE_NNPACK            : 1
–   USE_NUMPY             : ON
–   USE_OBSERVERS         : ON
–   USE_OPENCL            : OFF
–   USE_OPENCV            : OFF
–   USE_OPENMP            : OFF
–   USE_PROF              : OFF
–   USE_QNNPACK           : 0
–   USE_REDIS             : OFF
–   USE_ROCKSDB           : OFF
–   USE_ZMQ               : OFF
–   USE_DISTRIBUTED       : OFF
–   Public Dependencies  : Threads::Threads
–   Private Dependencies : nnpack;cpuinfo;fp16;onnxifi_loader
– Configuring done
– Generating done
Error
“_omp_set_num_threads”, referenced from:
_THSetNumThreads in THGeneral.cpp.o
caffe2::Caffe2SetOpenMPThreads(int*, char***) in init_omp.cc.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
[1363/1562] Building CXX object modules/observers/CMakeFiles/caffe2_observers.dir/perf_observer.cc.o
ninja: build stopped: subcommand failed.
setup.py::build_deps::run()
Failed to run ‘bash …/tools/build_pytorch_libs.sh --use-nnpack caffe2’