sysctl -a machdep.cpu

brew install gcc --force-bottle
brew reinstall gcc --without-multilib
brew tap homebrew/science
brew install opencv --32-bit

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

http://download.qt.io/official_releases/qt/

http://ftp.jaist.ac.jp/pub/qtproject/online/qt5/mac/x64/online_repository/

    # all versions
    https://www.continuum.io/downloads
    https://docs.continuum.io/anaconda/#previous-versions
    https://docs.continuum.io/anaconda/oldpkglists
    https://repo.continuum.io/archive/
    I recommend you that anaconda4.2.0 should be installed.
    # guide
    you make sure the installation location is /root
    while installing, it will need you to type admin pw
    $which python3
    /anaconda/bin/python3
    $cat ~/.bash_profile
    (# added by Anaconda3 4.3.1 installer
    export PATH="/anaconda/bin:$PATH")
    $conda list
    (you can see the packages)
    #check python version which support opencv
    https://anaconda.org/menpo/opencv3/files
    #downgrade python
    $conda install python=3.5
    # install opencv
    https://github.com/conda-forge/opencv-feedstock
    $conda install numpy
    $conda config --add channels conda-forge
    $conda install opencv

    $brew install python3
    $brew install numpy
    $which python3
    /usr/local/bin
    -python 3.5.2
    $ cmake -D CMAKE_BUILD_TYPE=RELEASE \
      -D CMAKE_INSTALL_PREFIX=/usr/local \
      -D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib/modules \
      -D PYTHON3_LIBRARY=/usr/local/Cellar/python3/3.5.2_3/Frameworks/Python.framework/Versions/3.5/lib/python3.5/config-3.5m/libpython3.5.dylib \
      -D PYTHON3_INCLUDE_DIR=/usr/local/Cellar/python3/3.5.2_3/Frameworks/Python.framework/Versions/3.5/include/python3.5m/ \
      -D PYTHON3_EXECUTABLE=$VIRTUAL_ENV/bin/python \
      -D BUILD_opencv_python2=OFF \
      -D BUILD_opencv_python3=ON \
      -D INSTALL_PYTHON_EXAMPLES=ON \
      -D INSTALL_C_EXAMPLES=OFF \
      -D BUILD_EXAMPLES=ON ..
    
    -python 3.6.1
    $ cmake -D CMAKE_BUILD_TYPE=RELEASE \
      -D PYTHON3_EXECUTABLE=$(which python3) \
      -D PYTHON3_INCLUDE_DIR=$(python3 -c "from distutils.sysconfig import get_python_inc; print(get_python_inc())") \
      -D PYTHON3_LIBRARY=/usr/local/Cellar/python3/3.6.1/Frameworks/Python.framework/Versions/3.6/lib/python3.6/config-3.6m-darwin/libpython3.6.dylib \
      -D PYTHON3_LIBRARIES=/usr/local/Cellar/python3/3.6.1/Frameworks/Python.framework/Versions/3.6/bin \
      -D PYTHON3_INCLUDE_DIR=/usr/local/Cellar/python3/3.6.1/Frameworks/Python.framework/Versions/3.6/Headers \
      -D PYTHON3_PACKAGES_PATH=$(python3 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())") \
      -D BUILD_opencv_python2=OFF \
      -D BUILD_opencv_python3=ON \
      -D INSTALL_C_EXAMPLES=OFF -D INSTALL_PYTHON_EXAMPLES=ON \
      -D BUILD_EXAMPLES=ON \
      -D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib/modules ..

    $sudo pip install dlib