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POGetting OpenCV to work on the Iphone
 

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  1. POGetting OpenCV to work on the Iphone
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    <p>I tried to follow <a href="https://github.com/niw/iphone_opencv_test" rel="nofollow">these instructions</a> get OpenCV to compile on my MAC MINI, but failed at step 6: </p> <p><strong>../opencv_cmake.sh Simulator ../OpenCV-2.1.0</strong></p> <p>I got these errors, and I can't make sense of it. Any clues? </p> <pre><code>Starting cmake... Target SDK = iPhoneSimulator iOS SDK Version = 4.1 iOS Deployment Target = 3.0 OpenCV Root = ../OpenCV-2.1.0 OpenCV Install Prefix = /Users/haoest/Development/iphone_opencv_test/build_simulator/../opencv_simulator -- The C compiler identification is GNU -- The CXX compiler identification is GNU -- Checking whether C compiler has -isysroot -- Checking whether C compiler has -isysroot - yes -- Checking whether C compiler supports OSX deployment target flag -- Checking whether C compiler supports OSX deployment target flag - yes -- Check for working C compiler: /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc -- Check for working C compiler: /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc -- broken CMake Error at /Applications/CMake 2.8-4.app/Contents/share/cmake-2.8/Modules/CMakeTestCCompiler.cmake:52 (MESSAGE): The C compiler "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc" is not able to compile a simple test program. It fails with the following output: Change Dir: /Users/haoest/Development/iphone_opencv_test/build_simulator/CMakeFiles/CMakeTmp Run Build Command:/usr/bin/make "cmTryCompileExec/fast" /usr/bin/make -f CMakeFiles/cmTryCompileExec.dir/build.make CMakeFiles/cmTryCompileExec.dir/build "/Applications/CMake 2.8-4.app/Contents/bin/cmake" -E cmake_progress_report /Users/haoest/Development/iphone_opencv_test/build_simulator/CMakeFiles/CMakeTmp/CMakeFiles 1 Building C object CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.1.sdk -mmacosx-version-min="10.6" -o CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o -c /Users/haoest/Development/iphone_opencv_test/build_simulator/CMakeFiles/CMakeTmp/testCCompiler.c Linking C executable cmTryCompileExec "/Applications/CMake 2.8-4.app/Contents/bin/cmake" -E cmake_link_script CMakeFiles/cmTryCompileExec.dir/link.txt --verbose=1 /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.1.sdk -mmacosx-version-min="10.6" -Wl,-search_paths_first -Wl,-headerpad_max_install_names CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o -o cmTryCompileExec ld: warning: in /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.1.sdk/usr/lib/libSystem.dylib, file was built for i386 which is not the architecture being linked (x86_64) Undefined symbols: "_exit", referenced from: start in crt1.10.6.o ld: symbol(s) not found collect2: ld returned 1 exit status make[1]: *** [cmTryCompileExec] Error 1 make: *** [cmTryCompileExec/fast] Error 2 CMake will not be able to correctly generate this project. Call Stack (most recent call first): CMakeLists.txt:39 (project) </code></pre> <p>-- Configuring incomplete, errors occurred!</p>
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    1. COpossible duplicate of [iPhone and OpenCV](http://stackoverflow.com/questions/348040/iphone-and-opencv)
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