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Editorial Team
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Asked: 2026-05-28T16:34:16+00:00

I have the newest XCode (4D199) installed and in terminal when I type new-host-2:

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I have the newest XCode (4D199) installed and in terminal when I type 

new-host-2: me$ gcc -version
i686-apple-darwin11-llvm-gcc-4.2: no input files

Is that the default xcode/mac gcc compiler version? Because when I try to do a 

sudo easy_install cython

I get: 

Running Cython-0.15.1/setup.py -q bdist_egg --dist-dir /tmp/easy_install-qS3Kqb/Cython-0.15.1/egg-dist-tmp-Zh0Vnv
cc1: error: unrecognized command line option "-arch"
cc1: error: unrecognized command line option "-arch"

I’ve read that -arch is a Apple GCC compiler only function. I think when I installed a port from macports I remember it installing something called “llvm” and now I suspect that that is being used instead of the one that comes with XCODE.

Any way to switch it back?

Oh, and when I type “sudo port select gcc” I get (this might be relevent to knowing which gcc version I have):

Available versions for gcc:
    apple-gcc42
    gcc42
    llvm-gcc42
    mp-gcc44
    mp-llvm-gcc42
    none
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1 Answer

  1. Editorial Team

    Does sound like you’re getting a non-apple version. If you don’t need any non-standard compilers, I’d remove any that macports has installed. The apple infrastructure is different enough that using compilers from macports causes grief fairly easily.

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