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我有一个较旧的系统（带有 xcode 4.0 的 OSX 10.6.8），我正在尝试让 OpenCV 2.3.0 运行它。我无法解决的问题是，每当我尝试使用 flann 库时，我的 xcode 都会给我一个 Mach-O 链接器错误。到目前为止，我已经尝试重新编译所有库并从不同的源构建 dylib，但它没有帮助。当我在终端检查图书馆时，我得到

Freddi-2:OpenCV-2.3.0 fredchen$ file /usr/local/lib/libopencv_flann.dylib
/usr/local/lib/libopencv_flann.dylib: Mach-O 64-bit dynamically linked shared library x86_64

我的具体错误代码是：

Undefined symbols for architecture x86_64:
  "cv::flann::KDTreeIndexParams::KDTreeIndexParams(int)", referenced from:
  _main in main.o
  "cv::flann::SearchParams::SearchParams(int, float, bool)", referenced from:
  _main in main.o
  "cv::FlannBasedMatcher::FlannBasedMatcher(cv::Ptr<cv::flann::IndexParams> const&, cv::Ptr<cv::flann::SearchParams> const&)", referenced from:
  _main in main.o
  "cv::BFMatcher::BFMatcher(int, bool)", referenced from:
  _main in main.o
  "cv::flann::IndexParams::~IndexParams()", referenced from:
  cv::flann::SearchParams::~SearchParams() in main.o
  "cv::flann::IndexParams::~IndexParams()", referenced from:
  cv::Ptr<cv::flann::IndexParams>::delete_obj() in main.o
  "vtable for cv::BFMatcher", referenced from:
  cv::BFMatcher::~BFMatcher() in main.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

我与该项目链接的动态库是：

libopencv_video.2.3.0.dylib
libopencv_objdetect.2.3.0.dylib
libopencv_ml.2.3.0.dylib
libopencv_legacy.2.3.0.dylib
libopencv_gpu.2.3.0.dylib
libopencv_contrib.2.3.0.dylib
libopencv_ts.2.3.0.dylib
libopencv_imgproc.2.3.0.dylib
libopencv_highgui.2.3.0.dylib
libopencv_flann.2.3.0.dylib
libopencv_features2d.2.3.0.dylib
libopencv_core.2.3.0.dylib
libopencv_calib3d.2.3.0.dylib

我会很感激任何帮助。谢谢！

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1 回答 1

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我记得我在 Mac 上使用 2.3.0 时遇到过类似的错误。您应该尝试使用最新版本，无论是 2.4.4 还是来自 github 的最新版本。

于 2013-04-11T06:58:16.047 回答