title: pip install gevent mountain lion fails
body: <p>I am having trouble installing gevent on a Mountain Lion. I actually want to install Deis and gevent is requirement.</p>
  
  <p>When I run <code>pip install gevent</code> I get this log:</p>
  
  <pre><code>/usr/local/bin/pip run on Fri Dec 20 20:59:02 2013
  Downloading/unpacking gevent
  
    Running setup.py egg_info for package gevent
  
      running egg_info
      writing requirements to pip-egg-info/gevent.egg-info/requires.txt
      writing pip-egg-info/gevent.egg-info/PKG-INFO
      writing top-level names to pip-egg-info/gevent.egg-info/top_level.txt
      writing dependency_links to pip-egg-info/gevent.egg-info/dependency_links.txt
      warning: manifest_maker: standard file '-c' not found
  
  
      reading manifest file 'pip-egg-info/gevent.egg-info/SOURCES.txt'
      reading manifest template 'MANIFEST.in'
      writing manifest file 'pip-egg-info/gevent.egg-info/SOURCES.txt'
    Source in /var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent has version 1.0, which satisfies requirement gevent
  Requirement already satisfied (use --upgrade to upgrade): greenlet in /usr/local/lib/python2.7/site-packages (from gevent)
  
  Installing collected packages: gevent
  
    Running setup.py install for gevent
  
      Running command /usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python -c "import setuptools;__file__='/var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-zNHFhT-record/install-record.txt --single-version-externally-managed
      running install
      running build
      running build_py
      running build_ext
      /private/var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent/libev/configure: line 9034: /usr/bin/awk: cannot execute binary file
  
      LLVM ERROR: IO failure on output stream.
  
      /private/var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent/libev/configure: line 9094: /usr/bin/awk: cannot execute binary file
  
      /bin/echo: write: Broken pipe
  
      ./config.status: line 1212: /usr/bin/awk: cannot execute binary file
  
      sed: stdout: Broken pipe
  
      config.status: error: could not create Makefile
  
      Running '/bin/sh /private/var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent/libev/configure &gt; configure-output.txt' in /private/var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent/build/temp.macosx-10.7-x86_64-2.7/libev
  
      building 'gevent.core' extension
  
      /usr/bin/llvm-gcc -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I /usr/local/Cellar/libevent/2.0.21/include -L /usr/local/Cellar/libevent/2.0.21/lib -U__llvm__ -DLIBEV_EMBED=1 -DEV_COMMON= -DEV_CHECK_ENABLE=0 -DEV_CLEANUP_ENABLE=0 -DEV_EMBED_ENABLE=0 -DEV_PERIODIC_ENABLE=0 -Ibuild/temp.macosx-10.7-x86_64-2.7/libev -Ilibev -I/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c gevent/gevent.core.c -o build/temp.macosx-10.7-x86_64-2.7/gevent/gevent.core.o
  
      In file included from gevent/libev.h:2,
  
                       from gevent/gevent.core.c:302:
  
      libev/ev.c:45:22: error: config.h: No such file or directory
  
      libev/ev.c:467:48: warning: "/*" within comment
  
      In file included from gevent/libev.h:2,
  
                       from gevent/gevent.core.c:302:
  
      libev/ev.c:1311: warning: 'ev_default_loop_ptr' initialized and declared 'extern'
  
      In file included from gevent/libev.h:2,
  
                       from gevent/gevent.core.c:302:
  
      libev/ev.c: In function 'ev_io_start':
  
      libev/ev.c:3332: warning: suggest parentheses around arithmetic in operand of |
  
      libev/ev.c:4563:27: warning: "/*" within comment
  
      libev/ev.c:4564:27: warning: "/*" within comment
  
      error: command '/usr/bin/llvm-gcc' failed with exit status 1
  
      Complete output from command /usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python -c "import setuptools;__file__='/var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-zNHFhT-record/install-record.txt --single-version-externally-managed:
  
      running install
  
  running build
  
  running build_py
  
  running build_ext
  
  /private/var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent/libev/configure: line 9034: /usr/bin/awk: cannot execute binary file
  
  LLVM ERROR: IO failure on output stream.
  
  /private/var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent/libev/configure: line 9094: /usr/bin/awk: cannot execute binary file
  
  /bin/echo: write: Broken pipe
  
  ./config.status: line 1212: /usr/bin/awk: cannot execute binary file
  
  sed: stdout: Broken pipe
  
  config.status: error: could not create Makefile
  
  Running '/bin/sh /private/var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent/libev/configure &gt; configure-output.txt' in /private/var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent/build/temp.macosx-10.7-x86_64-2.7/libev
  
  building 'gevent.core' extension
  
  /usr/bin/llvm-gcc -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I /usr/local/Cellar/libevent/2.0.21/include -L /usr/local/Cellar/libevent/2.0.21/lib -U__llvm__ -DLIBEV_EMBED=1 -DEV_COMMON= -DEV_CHECK_ENABLE=0 -DEV_CLEANUP_ENABLE=0 -DEV_EMBED_ENABLE=0 -DEV_PERIODIC_ENABLE=0 -Ibuild/temp.macosx-10.7-x86_64-2.7/libev -Ilibev -I/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c gevent/gevent.core.c -o build/temp.macosx-10.7-x86_64-2.7/gevent/gevent.core.o
  
  In file included from gevent/libev.h:2,
  
                   from gevent/gevent.core.c:302:
  
  libev/ev.c:45:22: error: config.h: No such file or directory
  
  libev/ev.c:467:48: warning: "/*" within comment
  
  In file included from gevent/libev.h:2,
  
                   from gevent/gevent.core.c:302:
  
  libev/ev.c:1311: warning: 'ev_default_loop_ptr' initialized and declared 'extern'
  
  In file included from gevent/libev.h:2,
  
                   from gevent/gevent.core.c:302:
  
  libev/ev.c: In function 'ev_io_start':
  
  libev/ev.c:3332: warning: suggest parentheses around arithmetic in operand of |
  
  libev/ev.c:4563:27: warning: "/*" within comment
  
  libev/ev.c:4564:27: warning: "/*" within comment
  
  error: command '/usr/bin/llvm-gcc' failed with exit status 1
  
  ----------------------------------------
  
  Command /usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python -c "import setuptools;__file__='/var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-zNHFhT-record/install-record.txt --single-version-externally-managed failed with error code 1 in /var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent
  
  Exception information:
  Traceback (most recent call last):
    File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/basecommand.py", line 107, in main
      status = self.run(options, args)
    File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/commands/install.py", line 261, in run
      requirement_set.install(install_options, global_options)
    File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/req.py", line 1166, in install
      requirement.install(install_options, global_options)
    File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/req.py", line 589, in install
      cwd=self.source_dir, filter_stdout=self._filter_install, show_stdout=False)
    File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/util.py", line 612, in call_subprocess
      % (command_desc, proc.returncode, cwd))
  InstallationError: Command /usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python -c "import setuptools;__file__='/var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-zNHFhT-record/install-record.txt --single-version-externally-managed failed with error code 1 in /var/folders/1g/4kj51dlj7z58774p9nlby2c00000gn/T/pip-build/gevent
  ➜  deis git:(master)
  </code></pre>
  
  <p>What can be the cause of this error and how can I solve it? There are another way to install gevent?</p>