mex can't find gcc in path

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Robert
Robert 2011-8-22
Matlab-mex can't find my C compiler, even though it appears to be using the correct command. Observe:
In Matlab: >> mex foo.c /Applications/MATLAB_R2011a.app/bin/mex: line 305: gcc-4.2: command not found /Applications/MATLAB_R2011a.app/bin/mex: line 1041: gcc-4.2: command not found
In Terminal: $which gcc-4.2 /Developer/usr/bin/gcc-4.2
Any idea how to get mex to find the compiler? I'm using Mac OS Lion and 2011a.

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采纳的回答

Robert
Robert 2011-8-22
I figured it out. All I had to do is run: sudo ln -s /Developer/usr/bin/gcc-4.2 /usr/bin/gcc-4.2
The problem was that /Developer/usr/bin/ is in my Terminal path, but apparently not in mex's path when looking for a compiler.

更多回答（2 个）

Nathan
Nathan 2012-4-22
For anyone (like me) that the above fix did not work for, download the patch discussed here: http://www.mathworks.com/support/solutions/en/data/1-FR6LXJ/
And make the modification to mexopts.sh described here: http://www.mathworks.com/matlabcentral/newsreader/view_thread/317343
Those two did the trick for me.
Shahab
Shahab 2012-5-31
Thank you Nathan :) it is exciting.

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