title: affdex.cpp:9:31: fatal error: pybind11/pybind11.h: No such file or directory #include <pybind11/pybind11.h>
body: <p>I can import pybind11 in Python and it is in the include path. However, I get the following error following the instructions <a href="https://github.com/ahamino/affdex-sdk-py" rel="nofollow noreferrer">here</a>:</p>
  
  <pre><code>(venv)[jalal@ivcgpu1 affdex-sdk-py]$ python
  Python 2.7.5 (default, Aug  4 2017, 00:39:18) 
  [GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] on linux2
  Type "help", "copyright", "credits" or "license" for more information.
  &gt;&gt;&gt; import pybind11
  &gt;&gt;&gt; pybind11.get_include()
  '/home/grad3/jalal/venv/include/site/python2.7'
  &gt;&gt;&gt; pybind11.get_include(True)
  '/home/grad3/jalal/venv/include/site/python2.7'
  &gt;&gt;&gt; quit()
  (venv)[jalal@ivcgpu1 affdex-sdk-py]$ c++ -O3 -shared -std=c++11 -fPIC -Wl,--no-as-needed -I$AFFDEX_SDK_HOME/include -I$HOME/venv/include/site/python2.7 `python-config --cflags --ldflags --libs` -Wl,--no-as-needed -laffdex-native -L$AFFDEX_SDK_HOME/lib affdex.cpp -o affdex.so
  affdex.cpp:9:31: fatal error: pybind11/pybind11.h: No such file or directory
   #include &lt;pybind11/pybind11.h&gt;
                                 ^
  compilation terminated.
  (venv)[jalal@ivcgpu1 affdex-sdk-py]$ 
  </code></pre>
  
  <p>How can I fix this error?</p>
  
  <p>UPDATE:</p>
  
  <pre><code>(venv)[jalal@ivcgpu1 affdex-sdk-py]$ echo $HOME
  /home/grad3/jalal
  (venv)[jalal@ivcgpu1 affdex-sdk-py]$ echo $HOME/venv/include/site/python2.7
  /home/grad3/jalal/venv/include/site/python2.7
  </code></pre>