python初心者です。

pip install でgreenlet をインストールできずに困っています。  
下記エラーがでてしまいます、原因と対策を教えていただきたいです。

easy_installも試してみましたが、インストールできませんでした。

```

    ➜  ~  pip install greenlet                             
    Collecting greenlet
      Using cached greenlet-0.4.7.zip
    Building wheels for collected packages: greenlet
      Running setup.py bdist_wheel for greenlet
      Complete output from command /Users/user01/.pyenv/versions/2.7.6/bin/python2.7 -c "import setuptools;__file__='/private/var/folders/h6/3g536yxn74v8rclc67008gb00000gn/T/pip-build-GCkMtj/greenlet/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" bdist_wheel -d /var/folders/h6/3g536yxn74v8rclc67008gb00000gn/T/tmphSDIhipip-wheel-:
      running bdist_wheel
      running build
      running build_ext
      building 'greenlet' extension
      creating build
      creating build/temp.macosx-10.10-x86_64-2.7
      clang -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/Users/user01/.pyenv/versions/2.7.6/include/python2.7 -c greenlet.c -o build/temp.macosx-10.10-x86_64-2.7/greenlet.o
      creating build/lib.macosx-10.10-x86_64-2.7
      clang -bundle -bundle_loader python.exe -L/usr/local/opt/readline/lib -L/usr/local/opt/readline/lib -L/Users/user01/.pyenv/versions/2.7.6/lib build/temp.macosx-10.10-x86_64-2.7/greenlet.o -o build/lib.macosx-10.10-x86_64-2.7/greenlet.so
      ld: file not found: python.exe
      clang: error: linker command failed with exit code 1 (use -v to see invocation)
      error: command 'clang' failed with exit status 1
    
      ----------------------------------------
      Failed building wheel for greenlet
    Failed to build greenlet
    Installing collected packages: greenlet
      Running setup.py install for greenlet
        Complete output from command /Users/user01/.pyenv/versions/2.7.6/bin/python2.7 -c "import setuptools, tokenize;__file__='/private/var/folders/h6/3g536yxn74v8rclc67008gb00000gn/T/pip-build-GCkMtj/greenlet/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /var/folders/h6/3g536yxn74v8rclc67008gb00000gn/T/pip-Xcoq_M-record/install-record.txt --single-version-externally-managed --compile:
        running install
        running build
        running build_ext
        building 'greenlet' extension
        clang -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/Users/user01/.pyenv/versions/2.7.6/include/python2.7 -c greenlet.c -o build/temp.macosx-10.10-x86_64-2.7/greenlet.o
        clang -bundle -bundle_loader python.exe -L/usr/local/opt/readline/lib -L/usr/local/opt/readline/lib -L/Users/user01/.pyenv/versions/2.7.6/lib build/temp.macosx-10.10-x86_64-2.7/greenlet.o -o build/lib.macosx-10.10-x86_64-2.7/greenlet.so
        ld: file not found: python.exe
        clang: error: linker command failed with exit code 1 (use -v to see invocation)
        error: command 'clang' failed with exit status 1
    
        ----------------------------------------
    Command "/Users/user01/.pyenv/versions/2.7.6/bin/python2.7 -c "import setuptools, tokenize;__file__='/private/var/folders/h6/3g536yxn74v8rclc67008gb00000gn/T/pip-build-GCkMtj/greenlet/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /var/folders/h6/3g536yxn74v8rclc67008gb00000gn/T/pip-Xcoq_M-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/var/folders/h6/3g536yxn74v8rclc67008gb00000gn/T/pip-build-GCkMtj/greenlet
    ➜  ~  
    
```
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2015-08-08T05:31:44.973
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2015-08-08T05:31:44.973
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question
python
pip install greenletでFailed building wheel for greenletエラー