Mex (Matlab 2015a) - error "no supported compiler or SDK was found"

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huynh vu the
huynh vu the 2015-4-13
评论： huynh vu the 2015-4-20
Dear supporters,
I am using Matlab 2015a on the Ubuntu 14.10 When i execute the following command "/usr/local/Matlab2015a/bin/mex -cxx CXX=g++4.7 CC=g++4.7 LD=g++4.7 -lm -O -output A.mexa64 A.o B.o C.o"
I have received the following error "no supported compiler or SDK was found."
Hope to receive your support on this problem.
Best regard Vu The Huynh

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回答（1 个）

Philip Caplan
Philip Caplan 2015-4-15
Are you missing a hyphen between g++ and the version number? In other words, try using "g++-4.7" instead of "g++4.7". Also, please try the resolution given in the following link which explains how to adjust "mexopts.sh" to use a supported compiler:
http://www.mathworks.com/matlabcentral/answers/137228-setup-mex-compiler-for-r2014a-for-linux
  1 个评论
huynh vu the
huynh vu the 2015-4-20
Dear supporter,
Thank for your reply. I have found the asnwer. I am not missing a hyphen. After i install g++-47, i haven't changed the default compiler.
After changing the default by the following command "sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.7 40 --slave /usr/bin/g++ g++ /usr/bin/g++-4.7", i was able to resolve the issue.
Best regards Vu The Huynh

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