Ncnn: ubuntu build error 直接编译报错

[varbegin]

$ mkdir -p build
$ cd build
$ cmake ..
$ make -j4
[ 1%] Building CXX object src/CMakeFiles/ncnn.dir/blob.cpp.o
[ 2%] Building CXX object src/CMakeFiles/ncnn.dir/cpu.cpp.o
[ 4%] Building CXX object src/CMakeFiles/ncnn.dir/layer.cpp.o
[ 5%] Building CXX object src/CMakeFiles/ncnn.dir/mat.cpp.o
[ 7%] Building CXX object src/CMakeFiles/ncnn.dir/mat_pixel.cpp.o
[ 8%] Building CXX object src/CMakeFiles/ncnn.dir/modelbin.cpp.o
[ 10%] Building CXX object src/CMakeFiles/ncnn.dir/net.cpp.o
/....../ncnn-master/src/net.cpp: In member function ‘int ncnn::Net::load_param(FI
LE)’:/....../ncnn-master/src/net.cpp:102:29: warning: ignoring return value of ‘int fs
canf(FILE, const char, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fp, "%d", &magic);
^
percentage and warnings......
......
Linking CXX executable mxnet2ncnn
[ 95%] Built target mxnet2ncnn
[ 97%] Running C++ protocol buffer compiler on onnx.proto
onnx.proto:383:5: Expected "required", "optional", or "repeated".
onnx.proto:383:17: Missing field number.
onnx.proto:402:3: Expected "required", "optional", or "repeated".
onnx.proto:402:15: Missing field number.
make[2]: [tools/onnx/onnx.pb.cc] Error 1
make[1]: [tools/onnx/CMakeFiles/onnx2ncnn.dir/all] Error 2
make: ** [all] Error 2

What's the matter and how to fix it?
怎么解决？

[nihui]

upgrade protobuf to 2.6.1 or higher
or you can disable onnx2ncnn tool by commenting it out in tools/CMakeLists.txt

[varbegin]

Thanks, nihui. I disabled onnx2ncnn tool and than it worked.
Thank you.

[Note-Liu]

Thanks, nihui. I disabled onnx2ncnn tool and than it worked.
Thank you.

how did you do?