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unzip master.zip
cd opencv-master
cmake .
make
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Linking CXX shared library ../../lib/libopencv_core.so
CMake Error: cmake_symlink_library: System Error: Operation not permitted
CMake Error: cmake_symlink_library: System Error: Operation not permitted
make[2]: *** [lib/libopencv_core.so.3.0.0] Error 1
make[1]: *** [modules/core/CMakeFiles/opencv_core.dir/all] Error 2
make: *** [all] Error 2
Oops, found the answer: http://askubuntu.com/questions/235700/l ... ared-drive
My USB stick has a 'vfat' format, which does not support symlinks. Drat. Reformatted it to EXT4 and trying again... looks like the complete opencv compile will take 9 hours (!) Will check back tomorrow.
EDIT: Ok, I was able to compile opencv 3.0.0-dev on my R-Pi Model A. It took approximately 10 (ten) hours, and occupies about 3 GB on the memory stick.
EDIT2: recompiling with "PYTHON" option turned on, fails to complete. Oh well.