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I am trying to build an OpenCV application In Maverick and I am get the following errors: CompileC /Users/marcio/Library/Developer/Xcode/DerivedData/trataYUV-ethoygtaaembbncqmfxdxvctotyp/Build/Intermediates/trataYUV.build/Debug/trataYUV.build/Objects-normal/x86_64/main.o trataYUV/main.c normal x86_64 c com.apple.compilers.llvm.clang.1_0.compiler cd /Users/marcio/Desenv/trataYUV setenv LANG en_US.US-ASCII /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x c -arch x86_64 -fmessage-length=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit=0 -std=gnu99 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Werror=return-type -Werror=deprecated-objc-isa-usage -Werror=objc-root-class -Wno-missing-braces -Wparentheses -Wswitch -Wunused-function -Wno-unused-label -Wno-unused-parameter -Wunused-variable -Wunused-value -Wempty-body -Wuninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wconstant-conversion -Wint-conversion -Wbool-conversion -Wenum-conversion -Wshorten-64-to-32 -Wpointer-sign -Wno-newline-eof -DDEBUG=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk -fasm-blocks -fstrict-aliasing -Wdeprecated-declarations -mmacosx-version-min=10.9 -g -Wno-sign-conversion -iquote /Users/marcio/Library/Developer/Xcode/DerivedData/trataYUV-ethoygtaaembbncqmfxdxvctotyp/Build/Intermediates/trataYUV.build/Debug/trataYUV.build/trataYUV-generated-files.hmap -I/Users/marcio/Library/Developer/Xcode/DerivedData/trataYUV-ethoygtaaembbncqmfxdxvctotyp/Build/Intermediates/trataYUV.build/Debug/trataYUV.build/trataYUV-own-target-headers.hmap -I/Users/marcio/Library/Developer/Xcode/DerivedData/trataYUV-ethoygtaaembbncqmfxdxvctotyp/Build/Intermediates/trataYUV.build/Debug/trataYUV.build/trataYUV-all-target-headers.hmap -iquote /Users/marcio/Library/Developer/Xcode/DerivedData/trataYUV-ethoygtaaembbncqmfxdxvctotyp/Build/Intermediates/trataYUV.build/Debug/trataYUV.build/trataYUV-project-headers.hmap -I/Users/marcio/Library/Developer/Xcode/DerivedData/trataYUV-ethoygtaaembbncqmfxdxvctotyp/Build/Products/Debug/include -I/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include -I/Users/marcio/Library/Developer/Xcode/DerivedData/trataYUV-ethoygtaaembbncqmfxdxvctotyp/Build/Intermediates/trataYUV.build/Debug/trataYUV.build/DerivedSources/x86_64 -I/Users/marcio/Library/Developer/Xcode/DerivedData/trataYUV-ethoygtaaembbncqmfxdxvctotyp/Build/Intermediates/trataYUV.build/Debug/trataYUV.build/DerivedSources -F/Users/marcio/Library/Developer/Xcode/DerivedData/trataYUV-ethoygtaaembbncqmfxdxvctotyp/Build/Products/Debug -F/Users/marcio/Desenv -I /opt/local/include/opencv -MMD -MT dependencies -MF /Users/marcio/Library/Developer/Xcode/DerivedData/trataYUV-ethoygtaaembbncqmfxdxvctotyp/Build/Intermediates/trataYUV.build/Debug/trataYUV.build/Objects-normal/x86_64/main.d --serialize-diagnostics /Users/marcio/Library/Developer/Xcode/DerivedData/trataYUV-ethoygtaaembbncqmfxdxvctotyp/Build/Intermediates/trataYUV.build/Debug/trataYUV.build/Objects-normal/x86_64/main.dia -c /Users/marcio/Desenv/trataYUV/trataYUV/main.c -o /Users/marcio/Library/Developer/Xcode/DerivedData/trataYUV-ethoygtaaembbncqmfxdxvctotyp/Build/Intermediates/trataYUV.build/Debug/trataYUV.build/Objects-normal/x86_64/main.o

/Users/marcio/Desenv/trataYUV/trataYUV/main.c:146:32: warning: format specifies type 'unsigned long' but the argument has type 'off_t' (aka 'long long') [-Wformat] argv[0],width,height,isize,st.st_size); ^~~~~~~~~~ /Users/marcio/Desenv/trataYUV/trataYUV/main.c:150:32: warning: format specifies type 'unsigned long' but the argument has type 'off_t' (aka 'long long') [-Wformat] argv[0],width,height,isize,st.st_size); ^~~~~~~~~~ /Users/marcio/Desenv/trataYUV/trataYUV/main.c:226:9: warning: assigning to 'uint8_t ' (aka 'unsigned char *') from 'int8_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign] p_yuv = in_data; ^ ~~~~~~~ /Users/marcio/Desenv/trataYUV/trataYUV/main.c:251:12: warning: unused variable 'owidth' [-Wunused-variable] unsigned owidth; uint8_t *p_yuv; ^ /Users/marcio/Desenv/trataYUV/trataYUV/main.c:251:29: warning: unused variable 'p_yuv' [-Wunused-variable] unsigned owidth; uint8_t *p_yuv; ^ In file included from /Users/marcio/Desenv/trataYUV/trataYUV/main.c:25: In file included from /opt/local/include ... (more)

Hi I am trying to link an IOS OpenCV 2.4.7 Face detection application in Xcode 5.1 and I am getting the following error:

ld: warning: ignoring file /Users/marcio/Downloads/opencv-2.4.7/ios/opencv2.framework/opencv2, missing required architecture x86_64 in file /Users/marcio/Downloads/opencv-2.4.7/ios/opencv2.framework/opencv2 (3 slices) Undefined symbols for architecture x86_64: "_OBJC_CLASS_$_CvVideoCamera", referenced from: objc-class-ref in ViewController.o ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)

I have download openCv from the OpenCV site and followed the directions to compile and install the framework in Xcode. I have checked the ld command and it is trying to use the correct iPhone simulator files.

Below is the output of the ld command:

Ld /Users/marcio/Library/Developer/Xcode/DerivedData/Net_Open_ICAO_Camera-evphtbnpbyfbudcdodtnitzvgchm/Build/Intermediates/Net\ Open\ ICAO\ Camera.build/Debug-iphonesimulator/Net\ Open\ ICAO\ Camera.build/Objects-normal/x86_64/Net\ Open\ ICAO\ Camera normal x86_64 cd "/Users/marcio/Net Open ICAO Camera" setenv IPHONEOS_DEPLOYMENT_TARGET 7.0 setenv PATH "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin" /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.0.sdk -L/Users/marcio/Library/Developer/Xcode/DerivedData/Net_Open_ICAO_Camera-evphtbnpbyfbudcdodtnitzvgchm/Build/Products/Debug-iphonesimulator -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/3rdparty/lib/Release -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/3rdparty/libjpeg/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/3rdparty/libpng/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/3rdparty/zlib/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/lib/Release -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/calib3d/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/contrib/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/core/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/features2d/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/flann/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/highgui/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/imgproc/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/legacy/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/ml/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/nonfree/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/objdetect/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/photo/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/stitching/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/video/UninstalledProducts -L/Users/marcio/Downloads/opencv-2.4.7/ios/build/iPhoneSimulator-i386/modules/videostab ... (more)