title: failed with exit status 69
body: <p>I'm trying to install a Python package (PIP) junos-eznc on MAC OS X Yosemite V10.10.1 and I'm not sure why i'm getting the following error? </p>
  
  <p>"error: command '/usr/bin/clang' failed with exit status 69"</p>
  
  <p><strong>That's the output log:</strong></p>
  
  <pre><code>mac231s-MacBook-Air:~ macbookair$ pip install junos-eznc
  Requirement already satisfied (use --upgrade to upgrade): junos-eznc in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages
  Downloading/unpacking lxml&gt;=3.2.4 (from junos-eznc)
    Downloading lxml-3.4.1.tar.gz (3.5MB): 3.5MB downloaded
    Running setup.py (path:/private/var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip_build_macbookair/lxml/setup.py) egg_info for package lxml
      /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url'
        warnings.warn(msg)
      Building lxml version 3.4.1.
      Building without Cython.
      Using build configuration of libxslt 1.1.28
  
      warning: no previously-included files found matching '*.py'
  Downloading/unpacking ncclient&gt;=0.4.1 (from junos-eznc)
    Downloading ncclient-0.4.3.tar.gz (55kB): 55kB downloaded
    Running setup.py (path:/private/var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip_build_macbookair/ncclient/setup.py) egg_info for package ncclient
  
  Requirement already satisfied (use --upgrade to upgrade): paramiko in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages (from junos-eznc)
  Downloading/unpacking scp&gt;=0.7.0 (from junos-eznc)
    Downloading scp-0.8.0.tar.gz
    Running setup.py (path:/private/var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip_build_macbookair/scp/setup.py) egg_info for package scp
  
  Downloading/unpacking jinja2&gt;=2.7.1 (from junos-eznc)
    Downloading Jinja2-2.7.3.tar.gz (378kB): 378kB downloaded
    Running setup.py (path:/private/var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip_build_macbookair/jinja2/setup.py) egg_info for package jinja2
  
      warning: no files found matching '*' under directory 'custom_fixers'
      warning: no previously-included files matching '*' found under directory 'docs/_build'
      warning: no previously-included files matching '*.pyc' found under directory 'jinja2'
      warning: no previously-included files matching '*.pyc' found under directory 'docs'
      warning: no previously-included files matching '*.pyo' found under directory 'jinja2'
      warning: no previously-included files matching '*.pyo' found under directory 'docs'
  Downloading/unpacking PyYAML&gt;=3.10 (from junos-eznc)
    Downloading PyYAML-3.11.tar.gz (248kB): 248kB downloaded
    Running setup.py (path:/private/var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip_build_macbookair/PyYAML/setup.py) egg_info for package PyYAML
  
  Downloading/unpacking netaddr (from junos-eznc)
    Downloading netaddr-0.7.13-py2.py3-none-any.whl (1.5MB): 1.5MB downloaded
  Requirement already satisfied (use --upgrade to upgrade): setuptools&gt;0.6 in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages (from ncclient&gt;=0.4.1-&gt;junos-eznc)
  Downloading/unpacking markupsafe (from jinja2&gt;=2.7.1-&gt;junos-eznc)
    Downloading MarkupSafe-0.23.tar.gz
    Running setup.py (path:/private/var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip_build_macbookair/markupsafe/setup.py) egg_info for package markupsafe
  
  Installing collected packages: lxml, ncclient, scp, jinja2, PyYAML, netaddr, markupsafe
    Running setup.py install for lxml
      /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url'
        warnings.warn(msg)
      Building lxml version 3.4.1.
      Building without Cython.
      Using build configuration of libxslt 1.1.28
      building 'lxml.etree' extension
      /usr/bin/clang -fno-strict-aliasing -fno-common -dynamic -arch i386 -arch x86_64 -g -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/libxml2 -I/private/var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip_build_macbookair/lxml/src/lxml/includes -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.6-intel-2.7/src/lxml/lxml.etree.o -w -flat_namespace
  
  
      Agreeing to the Xcode/iOS license requires admin privileges, please re-run as root via sudo.
  
  
      error: command '/usr/bin/clang' failed with exit status 69
      Complete output from command /Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python -c "import setuptools, tokenize;__file__='/private/var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip_build_macbookair/lxml/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip-r8LGdK-record/install-record.txt --single-version-externally-managed --compile:
      /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url'
  
    warnings.warn(msg)
  
  Building lxml version 3.4.1.
  
  Building without Cython.
  
  Using build configuration of libxslt 1.1.28
  
  running install
  
  running build
  
  running build_py
  
  creating build
  
  creating build/lib.macosx-10.6-intel-2.7
  
  creating build/lib.macosx-10.6-intel-2.7/lxml
  
  copying src/lxml/__init__.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml
  
  copying src/lxml/_elementpath.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml
  
  copying src/lxml/builder.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml
  
  copying src/lxml/cssselect.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml
  
  copying src/lxml/doctestcompare.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml
  
  copying src/lxml/ElementInclude.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml
  
  copying src/lxml/pyclasslookup.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml
  
  copying src/lxml/sax.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml
  
  copying src/lxml/usedoctest.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml
  
  creating build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/__init__.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  creating build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/__init__.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/_diffcommand.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/_html5builder.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/_setmixin.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/builder.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/clean.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/defs.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/diff.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/ElementSoup.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/formfill.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/html5parser.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/soupparser.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  copying src/lxml/html/usedoctest.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/html
  
  creating build/lib.macosx-10.6-intel-2.7/lxml/isoschematron
  
  copying src/lxml/isoschematron/__init__.py -&gt; build/lib.macosx-10.6-intel-2.7/lxml/isoschematron
  
  copying src/lxml/lxml.etree.h -&gt; build/lib.macosx-10.6-intel-2.7/lxml
  
  copying src/lxml/lxml.etree_api.h -&gt; build/lib.macosx-10.6-intel-2.7/lxml
  
  copying src/lxml/includes/c14n.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/config.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/dtdvalid.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/etreepublic.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/htmlparser.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/relaxng.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/schematron.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/tree.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/uri.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/xinclude.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/xmlerror.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/xmlparser.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/xmlschema.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/xpath.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/xslt.pxd -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/etree_defs.h -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  copying src/lxml/includes/lxml-version.h -&gt; build/lib.macosx-10.6-intel-2.7/lxml/includes
  
  creating build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources
  
  creating build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources/rng
  
  copying src/lxml/isoschematron/resources/rng/iso-schematron.rng -&gt; build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources/rng
  
  creating build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources/xsl
  
  copying src/lxml/isoschematron/resources/xsl/RNG2Schtrn.xsl -&gt; build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources/xsl
  
  copying src/lxml/isoschematron/resources/xsl/XSD2Schtrn.xsl -&gt; build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources/xsl
  
  creating build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
  
  copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_abstract_expand.xsl -&gt; build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
  
  copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_dsdl_include.xsl -&gt; build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
  
  copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_message.xsl -&gt; build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
  
  copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_skeleton_for_xslt1.xsl -&gt; build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
  
  copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_svrl_for_xslt1.xsl -&gt; build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
  
  copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/readme.txt -&gt; build/lib.macosx-10.6-intel-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
  
  running build_ext
  
  building 'lxml.etree' extension
  
  creating build/temp.macosx-10.6-intel-2.7
  
  creating build/temp.macosx-10.6-intel-2.7/src
  
  creating build/temp.macosx-10.6-intel-2.7/src/lxml
  
  /usr/bin/clang -fno-strict-aliasing -fno-common -dynamic -arch i386 -arch x86_64 -g -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/libxml2 -I/private/var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip_build_macbookair/lxml/src/lxml/includes -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.6-intel-2.7/src/lxml/lxml.etree.o -w -flat_namespace
  
  
  
  
  
  Agreeing to the Xcode/iOS license requires admin privileges, please re-run as root via sudo.
  
  
  
  
  
  error: command '/usr/bin/clang' failed with exit status 69
  
  ----------------------------------------
  Cleaning up...
  Command /Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python -c "import setuptools, tokenize;__file__='/private/var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip_build_macbookair/lxml/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip-r8LGdK-record/install-record.txt --single-version-externally-managed --compile failed with error code 1 in /private/var/folders/g_/4gqvq3096kg5sg6thyyh3j4h0000gp/T/pip_build_macbookair/lxml
  Storing debug log for failure in /Users/macbookair/.pip/pip.log
  </code></pre>