macOS 10.12.4 Build Error

[winterbesos]

[ 0%] Built target python_copy_files [ 1%] Built target gmock [ 2%] Built target gmock_main [ 3%] Built target gtest [ 3%] Built target gtest_main [ 8%] Built target benchmark [ 8%] Built target cxx03_test [ 9%] Built target output_test_helper [ 10%] Built target reporter_output_test [ 10%] Built target map_test [ 11%] Built target register_benchmark_test [ 11%] Built target multiple_ranges_test [ 12%] Built target fixture_test [ 12%] Built target donotoptimize_test [ 13%] Built target complexity_test [ 14%] Built target skip_with_error_test [ 15%] Built target filter_test [ 16%] Built target basic_test [ 17%] Built target options_test [ 17%] Built target benchmark_test [ 18%] Built target diagnostics_test [ 18%] Built target Caffe_PROTO [ 22%] Built target Caffe2_PROTO [ 22%] Building CXX object caffe2/CMakeFiles/Caffe2_CPU.dir/queue/rebatching_queue.cc.o /XXX/caffe2/caffe2/queue/rebatching_queue.cc:66:1: error: 'auto' return without trailing return type; deduced return types are a C++14 extension auto split(CPUContext& context, const std::vector<const TensorCPU*>& inputs) { ^ /XXX/caffe2/caffe2/queue/rebatching_queue.cc:94:10: error: no viable conversion from returned value of type 'std::vector<std::vector >' (aka 'vector<vector<Tensor > >') to function return type 'int' return outputs; ^~~ /XXX/caffe2/caffe2/queue/rebatching_queue.cc:176:18: error: no viable overloaded '=' splittedInputs = split(context, inputs);

/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/vector:553:13: note:
      candidate function not viable: no known conversion from 'int' to 'const
      std::__1::vector<std::__1::vector<caffe2::Tensor<caffe2::CPUContext>, std::__1::allocator<caffe2::Tensor<caffe2::CPUContext> > >,
      std::__1::allocator<std::__1::vector<caffe2::Tensor<caffe2::CPUContext>, std::__1::allocator<caffe2::Tensor<caffe2::CPUContext> >
      > > >' for 1st argument
    vector& operator=(const vector& __x);
            ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/vector:565:13: note:
      candidate function not viable: no known conversion from 'int' to
      'std::__1::vector<std::__1::vector<caffe2::Tensor<caffe2::CPUContext>, std::__1::allocator<caffe2::Tensor<caffe2::CPUContext> >
      >, std::__1::allocator<std::__1::vector<caffe2::Tensor<caffe2::CPUContext>,
      std::__1::allocator<caffe2::Tensor<caffe2::CPUContext> > > > >' for 1st argument
    vector& operator=(vector&& __x)
            ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/vector:572:13: note:
      candidate function not viable: no known conversion from 'int' to 'initializer_list<value_type>' (aka
      'initializer_list<std::__1::vector<caffe2::Tensor<caffe2::CPUContext>, std::__1::allocator<caffe2::Tensor<caffe2::CPUContext> > >
      >') for 1st argument
    vector& operator=(initializer_list<value_type> __il)
            ^
3 errors generated.
make[2]: *** [caffe2/CMakeFiles/Caffe2_CPU.dir/queue/rebatching_queue.cc.o] Error 1
make[1]: *** [caffe2/CMakeFiles/Caffe2_CPU.dir/all] Error 2
make: *** [all] Error 2

[Shoshin23]

This is EXACTLY the same error I'm getting. I was just about to open a ticket for this. Would love some help on this!

[bwasti]

this should be fixed

feel free to reopen if that is not the case :)

[Shoshin23]

Hey @bwasti, this works for me. Was able to build caffe2 for ios successfully. Thanks!