Trouble in recompiling the Fieldtrip

[SUBSCRIBE FIELDTRIP Jack M.]

Hello,

I met exactly the same problem as listed on the Fieldtrip wiki under the FAQ
section "Matlab complains about a missing or invalid MEX file, what should I
do?"

So I followed the instruction on that wiki and tried to recompile the
binaries. I am using an iMac (OS X 10.5.5) and Matlab2007b. When I tried 
mex meg_leadfield1.c , the error message said, "

/Applications/MATLAB_R2007b/bin/mex: line 1025: gcc-4.0: command not found
/Applications/MATLAB_R2007b/bin/mex: line 1004: gcc-4.0: command not found
/Applications/MATLAB_R2007b/bin/mex: line 930: gcc-4.0: command not found

    mex: compile of 'meg_leadfield1.c' failed.

??? Error using ==> mex at 208
Unable to complete successfully.
"

I am a newbie. Could anyone please give me a solution? Thanks a lot!

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