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2014-01-06 19:48:28 -0600	asked a question	Failed to load OpenCL runtime I have compiled and installed the latest version of OpenCV on an AWS instance. So when I try running this python script: https://github.com/A7Zulu/crunchbase-db/blob/master/sift.py I get this error: Failed to load OpenCL runtime OpenCV Error: Unknown error code -220 (OpenCL function is not available: [clGetPlatformIDs]) in opencl_check_fn, file /usr/local/opencv/modules/core/src/opencl/runtime/opencl_core.cpp, line 194 But if I start a python shell and paste each line of code into it manually it will work. When I call this command: kp1, des1 = sift.detectAndCompute(img1,None) it will throw the above error, but if I call that same command again the error doesn't happen and it runs normally. I was wondering how do I get my script to work without manually pasting things into a python shell. Thanks for the help.
2014-01-06 19:41:18 -0600	commented answer	Installation Problems: BUILD_NEW_PYTHON_SUPPORT Thanks this works
2013-12-23 18:31:01 -0600	received badge	● Editor (source)
2013-12-23 18:29:12 -0600	asked a question	Installation Problems: BUILD_NEW_PYTHON_SUPPORT I am running Ubuntu 12.04 and trying to install OpenCV 2.4.7 with Python Support. I have installed all the required libraries and issued this cmake command: cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_V4L=ON -D INSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON -D BUILD_EXAMPLES=ON -D WITH_QT=ON -D WITH_OPENGL=ON .. Everything compiles correctly except I get this warning: CMake Warning: Manually-specified variables were not used by the project: `BUILD_NEW_PYTHON_SUPPORT` Because of this when I run make and make install, the correct Python files aren't generated correctly. I was wondering if anyone would know what is going on. Thanks for the help, Aaron