在使用来自官方 opencv.org 的框架 2.4.3 后,在 xcode for iOS 上编译应用程序时,我一直面临以下问题。有什么线索吗?
ld: warning: directory not found for option '-F/Users/Anas/Downloads/ocr-text-extraction-master /n/trunk/StaticImagesFaceDetectionSample/../../ocv.build/ios'
Undefined symbols for architecture armv7:
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::compare(char const*) const", referenced from:
cv::CascadeClassifier::Data::read(cv::FileNode const&) in opencv2(cascadedetect.o)
...
...
...
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)