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I am struggling with the problem of Matlab mex compile. It needs specific old version of gcc compiler 4.4.6 . But in manager there is only 4.4 version. How could I specify it as 4.4.6? Or is it possible?

Next, I need to run it as gcc command. Currently my gcc command runs 4.7.2 version. How can I switch the gcc command to run the old version on Mint machine. Since installing only the compiler does not work for Matlab and it is calling plain gcc command.

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Are you okay fully replacing your local version? Or would you like side-by-side install of both? – nerdwaller Dec 3 '12 at 1:35
    
side by side is more appropriate but I need to call it with needs to be default gcc. – Erogol Dec 4 '12 at 18:16
up vote 5 down vote accepted

Just install the package gcc-4.4 along with the other version of gcc. The next step would be to change the default gcc to this specific version. Most elegant and easy way is using update-alternatives. This is all explained in this Stackoverflow.com answer.

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