apt-get install libopencv-dev python-opencv 오류

apt-get install libopencv-dev python-opencv

이 명령어를 동작할 때 

다음과 같이 오류가 발생

https://stackoverflow.com/questions/28454724/ubuntu-14-04-apt-get-libopencv-dev-but-get-errors-unable-to-correct-problems

sudo apt-get install build-essential make cmake git libgtk2.0-dev pkg-config python python-dev python-numpy libavcodec-dev libavformat-dev libswscale-dev libjpeg-dev libpng-dev libtiff-dev

cd ~/Downloads

git clone https://github.com/itseez/opencv

mv opencv /opt

cd /opt/opencv

git checkout 2.4.10.1 #or whatever version you want

sudo mkdir build

cd build

sudo cmake -j4 -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..

sudo make -j4

sudo make -j4 install

sudo ldconfig