~$ time git clone git@github.com:opencv/opencv.git opencv-fork ~$ cd opencv-fork/ ~/opencv-fork$ time git checkout -b Branch_3_4_0 3.4.0 Switched to a new branch 'Branch_3_4_0'
~/opencv-fork$ mkdir build ~/opencv-fork$ cd build ~/opencv-fork/build$ time cmake .. (中略) real *m**.***s user *m**.***s sys *m**.***s
~/opencv-fork/build$ time make -j 4 all (中略) real *m**.***s user *m**.***s sys *m**.***s
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