Matcaffe - Matlab R2016b - Ubuntu 16.04

[kirt...@gmail.com]

I have been trying to compile matcaffe in Ubuntu 16.04. Caffe compiles successfully with gcc 5. However, MATLAB R2016b is compatible with gcc 4.9, I got following warning during compilation (using make matcaffe):

MEX matlab/+caffe/private/caffe_.cpp Building with 'g++'. Warning: You are using gcc version '5.4.0'. The version of gcc is not supported. The version currently supported with MEX is '4.9.x'. For a list of currently supported compilers see: http://www.mathworks.com/support/compilers/current_release. MEX completed successfully.

Even though the MEX file is created, I can not use it from MATLAB because it gives an error like

Invalid MEX-file 'blablabla/caffe/matlab/+caffe/private/caffe_.mexa64':
 /blablabla/bin/glnxa64/../../sys/os/glnxa64/libstdc++.so.6: version `GLIBCXX_3.4.21' not found

I have tried many things, including

LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libstdc++.so.6

and

sudo rm /blablabla/sys/os/glnxa64/libstdc++.so.6
sudo ln -s /usr/lib/x86_64-linux-gnu/libstdc++.so.6 /blablabla/sys/os/glnxa64/libstdc++.so.6

but no success.
Anybody faced with this problem and have an idea?


[Amir Abdi]

same problem here. Did you solve this?

[Muhammad Usman Shahid]

I am having exactly the same problem. Is there a fix?

[Amir Abdi]

I don't clearly recall how I solved it, but as far as I remember, I enforced it to build with the older version of gcc. I believe it had something to do with the makefile.config. 

Kindly,

Amir

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