Matcaffe compile issue

[BAILOOL]

Getting the following error when make matcaffe

ukrdailo@rcv:~/Desktop/PSPNet/PSPNet$ make matcaffe -j8
make: /usr/local/bin/mexext: Command not found
MEX matlab/+caffe/private/caffe_.cpp
Building with 'g++'.
Warning: You are using gcc version '4.8.4'. The version of gcc is not supported. The version currently supported with MEX is '4.7.x'. For a list of currently supported compilers see: http://www.mathworks.com/support/compilers/current_release.
.build_release/lib/libcaffe.a(window_data_layer.o): In function `caffe::WindowDataLayer<float>::load_batch(caffe::Batch<float>*)':
window_data_layer.cpp:(.text._ZN5caffe15WindowDataLayerIfE10load_batchEPNS_5BatchIfEE[_ZN5caffe15WindowDataLayerIfE10load_batchEPNS_5BatchIfEE]+0xb81): undefined reference to `cv::imread(cv::String const&, int)'
.build_release/lib/libcaffe.a(window_data_layer.o): In function `caffe::WindowDataLayer<double>::load_batch(caffe::Batch<double>*)':
window_data_layer.cpp:(.text._ZN5caffe15WindowDataLayerIdE10load_batchEPNS_5BatchIdEE[_ZN5caffe15WindowDataLayerIdE10load_batchEPNS_5BatchIdEE]+0xbb1): undefined reference to `cv::imread(cv::String const&, int)'
.build_release/lib/libcaffe.a(io.o): In function `caffe::ReadImageToCVMat(std::string const&, int, int, bool, int*, int*)':
io.cpp:(.text+0x597): undefined reference to `cv::imread(cv::String const&, int)'
.build_release/lib/libcaffe.a(io.o): In function `caffe::DecodeDatumToCVMatNative(caffe::Datum const&)':
io.cpp:(.text+0x1294): undefined reference to `cv::imdecode(cv::_InputArray const&, int)'
.build_release/lib/libcaffe.a(io.o): In function `caffe::DecodeDatumToCVMat(caffe::Datum const&, bool)':
io.cpp:(.text+0x1688): undefined reference to `cv::imdecode(cv::_InputArray const&, int)'
.build_release/lib/libcaffe.a(io.o): In function `caffe::ReadImageToDatum(std::string const&, int, int, int, bool, std::string const&, caffe::Datum*)':
io.cpp:(.text+0x1e02): undefined reference to `cv::imencode(cv::String const&, cv::_InputArray const&, std::vector<unsigned char, std::allocator<unsigned char> >&, std::vector<int, std::allocator<int> > const&)'
collect2: error: ld returned 1 exit status

make: *** [matlab/+caffe/private/caffe_.] Error 255

I am guessing the problem is with OpenCV version? Are you using OpenCV2 or OpenCV3?
Thanks in andvance!

[gopi77]

Hi

I am also facing the problem while executing the command make -j8 && make matcaffe
Anyone solved it?

make: /usr/local/bin/mexext: Command not found
MEX matlab/+caffe/private/caffe_.cpp
/bin/sh: 1: /usr/local/bin/mex: not found
Makefile:511: recipe for target 'matlab/+caffe/private/caffe_.' failed
make: *** [matlab/+caffe/private/caffe_.] Error 127