[pycrypto] installing pycrypto on OS X 10.6

Brendan Simon (eTRIX) brendan.simon at etrix.com.au
Mon Jul 19 06:48:12 CST 2010

 I have the following error while installing pycrypto on Mac OS X 10.6
(via easy_install).

    $ sudo easy_install -z pycrypto
    Searching for pycrypto
    Reading http://pypi.python.org/simple/pycrypto/
    Reading http://pycrypto.sourceforge.net
    Reading http://www.amk.ca/python/code/crypto
    Reading http://www.pycrypto.org/
    Best match: pycrypto 2.1.0
    Downloading http://www.pycrypto.org/files/pycrypto-2.1.0.tar.gz
    Processing pycrypto-2.1.0.tar.gz
    Running pycrypto-2.1.0/setup.py -q bdist_egg --dist-dir
    warning: GMP library not found; Not building Crypto.PublicKey._fastmath.
    Compiling with an SDK that doesn't seem to exist:
    Please check your Xcode installation
    cc1: error: unrecognized command line option "-Wno-long-double"
    cc1: error: unrecognized command line option "-Wno-long-double"
    lipo: can't figure out the architecture type of: /var/tmp//cc1UrVQ6.out
    error: Setup script exited with error: command 'gcc' failed with
    exit status 1

Why does the installer insist in using SDK for OS X 10.4 ??
Other easy_installs don't seem to have that restriction !!

My OS X 10.6 system has the following SDKs installed.

    $ ls -l /Developer/SDKs/
    drwxr-xr-x  7 root  wheel  238 30 Jun  2009 MacOSX10.5.sdk
    drwxr-xr-x  7 root  wheel  238  3 Aug  2009 MacOSX10.6.sdk

I have read one solution is to install the SDK 10.4, but that seems a
bit of a kludge.
Has anyone got this working with SDK 10.6 ??

Thanks, Brendan.

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