5

我正面临这个错误，在集成时opencv2.framework，任何人都可以帮助解决这个问题。我的 Xcode 版本是 4.5。

Undefined symbols for architecture armv7:
  "std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::basic_string(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
      cv::Exception::Exception(int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) in opencv2(system.o)
      cv::Exception::Exception(cv::Exception const&) in opencv2(system.o)
  "std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::~basic_string()", referenced from:
      cv::Mat::create(int, int const*, int) in opencv2(matrix.o)
      __ZN2cvL7setSizeERNS_3MatEiPKiPKmb in opencv2(matrix.o)
      cv::Mat::Mat(cv::Mat const&, cv::Range const&, cv::Range const&) in opencv2(matrix.o)
      cv::Mat::Mat(cv::Mat const&, cv::Range const*) in opencv2(matrix.o)
      cv::Mat::diag(int) const in opencv2(matrix.o)
      cv::Mat::Mat(_IplImage const*, bool) in opencv2(matrix.o)
      cv::Mat::reserve(unsigned long) in opencv2(matrix.o)
      ...
  "std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::__init(char const*, unsigned long)", referenced from:
      cv::Mat::create(int, int const*, int) in opencv2(matrix.o)
      __ZN2cvL7setSizeERNS_3MatEiPKiPKmb in opencv2(matrix.o)
      cv::Mat::Mat(cv::Mat const&, cv::Range const&, cv::Range const&) in opencv2(matrix.o)
      cv::Mat::Mat(cv::Mat const&, cv::Range const*) in opencv2(matrix.o)
      cv::Mat::diag(int) const in opencv2(matrix.o)
      cv::Mat::Mat(_IplImage const*, bool) in opencv2(matrix.o)
      cv::Mat::reserve(unsigned long) in opencv2(matrix.o)
      ...
  "std::__1::__vector_base_common<true>::__throw_length_error() const", referenced from:
      std::__1::vector<cv::Vec<int, 128>, std::__1::allocator<cv::Vec<int, 128> > >::__append(unsigned long) in opencv2(matrix.o)
      std::__1::vector<cv::Vec<int, 64>, std::__1::allocator<cv::Vec<int, 64> > >::__append(unsigned long) in opencv2(matrix.o)
      std::__1::vector<cv::Vec<int, 32>, std::__1::allocator<cv::Vec<int, 32> > >::__append(unsigned long) in opencv2(matrix.o)
      std::__1::vector<cv::Vec<int, 16>, std::__1::allocator<cv::Vec<int, 16> > >::__append(unsigned long) in opencv2(matrix.o)
      std::__1::vector<cv::Vec<int, 12>, std::__1::allocator<cv::Vec<int, 12> > >::__append(unsigned long) in opencv2(matrix.o)
      std::__1::vector<cv::Vec<int, 9>, std::__1::allocator<cv::Vec<int, 9> > >::__append(unsigned long) in opencv2(matrix.o)
      std::__1::vector<cv::Vec<int, 8>, std::__1::allocator<cv::Vec<int, 8> > >::__append(unsigned long) in opencv2(matrix.o)
      ...
  "std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::operator=(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
      cv::Exception::formatMessage() in opencv2(system.o)
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)
4

2 回答 2

14

您只需将“libc++.dylib”添加到“链接框架和库”中

于 2014-01-27T12:35:57.373 回答
1

看来该框架未编译为支持arm7. 它需要使用当前的 Xcode 进行编译，以便它可以针对必要的架构。

您是从源代码编译还是依赖现有的二进制文件？

尝试使用此 Git 存储库获取源代码：https ://github.com/jonmarimba/OpenCV-iOS

于 2013-03-04T07:22:55.590 回答