title: Can't install OpenCV3 on Anaconda3 python3.6 on macOS
body: <p>I'm trying to install OpenCV 3.2.0 on Anaconda3 python 3.6 on macOS 10.11.6 but I can't find a way.
  My Anaconda3 has python 3.5.2 installed but if I create a new virtual environment using  </p>
  
  <pre><code>$ conda create -n myvenv python  
  then it downloads and installs python 3.6 on the new myvenv. A simple search  
  $ conda search opencv
  opencv                       2.4.8                np17py27_2  defaults 
  </code></pre>
  
  <p>while opencv3 yields no results  </p>
  
  <pre><code>$ conda search opencv3
  NoPackagesFoundError: Package missing in current osx-64 channels: 
    - opencv3
  </code></pre>
  
  <p>Installing menpo opencv3 build gives following conflict:  </p>
  
  <pre><code>$ conda install -c menpo opencv3
  Fetching package metadata ...........
  Solving package specifications: .
  UnsatisfiableError: The following specifications were found to be in conflict:
    - opencv3 -&gt; python 2.7* -&gt; openssl 1.0.1*
    - python 3.6*
  Use "conda info &lt;package&gt;" to see the dependencies for each package.
  </code></pre>
  
  <p>I tried to install using homebrew but linking it with Anaconda3 python3 seems difficult:  </p>
  
  <pre><code>$ brew install eigen tbb
  Updating Homebrew...
  ==&gt; Downloading https://homebrew.bintray.com/bottles/eigen-3.3.1.el_capitan.bottle.tar.gz
  100.0%
  ==&gt; Pouring eigen-3.3.1.el_capitan.bottle.tar.gz
    /usr/local/Cellar/eigen/3.3.1: 486 files, 6.4M
  ==&gt; Downloading https://homebrew.bintray.com/bottles/tbb-4.4-20161128.el_capitan.bottle.tar.gz
  100.0%
  ==&gt; Pouring tbb-4.4-20161128.el_capitan.bottle.tar.gz
  ==&gt; Caveats
  Python modules have been installed and Homebrew's site-packages is not
  in your Python sys.path, so you will not be able to import the modules
  this formula installed. If you plan to develop with these modules,
  please run:
    mkdir -p /Users/&lt;username&gt;/.local/lib/python3.5/site-packages
    echo 'import site; site.addsitedir("/usr/local/lib/python2.7/site-packages")' &gt;&gt; /Users/&lt;username&gt;/.local/lib/python3.5/site-packages/homebrew.pth
  ==&gt; Summary
    /usr/local/Cellar/tbb/4.4-20161128: 119 files, 1.9M
  </code></pre>
  
  <p>More info  </p>
  
  <pre><code>$ conda info
  Current conda install:
                 platform : osx-64
            conda version : 4.3.8
         conda is private : False
        conda-env version : 4.3.8
      conda-build version : 2.0.2
           python version : 3.5.2.final.0
         requests version : 2.12.4
         root environment : /Users/&lt;username&gt;/anaconda3  (writable)
      default environment : /Users/&lt;username&gt;/anaconda3/envs/lesvenv
         envs directories : /Users/&lt;username&gt;/anaconda3/envs
            package cache : /Users/&lt;username&gt;/anaconda3/pkgs
             channel URLs : https://repo.continuum.io/pkgs/free/osx-64
                            https://repo.continuum.io/pkgs/free/noarch
                            https://repo.continuum.io/pkgs/r/osx-64
                            https://repo.continuum.io/pkgs/r/noarch
                            https://repo.continuum.io/pkgs/pro/osx-64
                            https://repo.continuum.io/pkgs/pro/noarch
              config file : None
             offline mode : False
               user-agent : conda/4.3.8 requests/2.12.4 CPython/3.5.2 Darwin/15.6.0 OSX/10.11.6
                  UID:GID : 502:20
  </code></pre>
  
  <p>while coda list is:  </p>
  
  <pre><code>$ conda list
  packages in environment at /Users/&lt;username&gt;/anaconda3/envs/lesvenv:
  anaconda-client           1.6.0                    py36_0
  clyent                    1.2.2                    py36_0
  mkl                       2017.0.1                      0
  numpy                     1.11.3                   py36_0
  openssl                   1.0.2j                        0
  pip                       9.0.1                    py36_1
  python                    3.6.0                         0
  python-dateutil           2.6.0                    py36_0
  pytz                      2016.10                  py36_0
  pyyaml                    3.12                     py36_0
  readline                  6.2                           2
  requests                  2.12.4                   py36_0
  setuptools                27.2.0                   py36_0
  six                       1.10.0                   py36_0
  sqlite                    3.13.0                        0
  tk                        8.5.18                        0
  wheel                     0.29.0                   py36_0
  xz                        5.2.2                         1
  yaml                      0.1.6                         0
  zlib                      1.2.8                         3
  </code></pre>
  
  <p>My anaconda is:  <code>/Users/&lt;username&gt;/anaconda3/bin/anaconda</code><br>
  My python 3.5.2 is:  <code>/Users/&lt;username&gt;/anaconda3/bin/python</code><br>
  My conda myvenv python 3.6 is: <code>/Users/&lt;username&gt;/anaconda3/envs/myvenv/bin/python</code></p>