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  1. Undefined symbols for architecture armv7:
  2.   "avformat_open_input(AVFormatContext**, char const*, AVInputFormat*, AVDictionary**)", referenced from:
  3.       -[ViewController viewDidLoad] in ViewController.o
  4. ld: symbol(s) not found for architecture armv7
  5. clang: error: linker command failed with exit code 1 (use -v to see invocation)
  6.  
  7.  
  8. $ xcrun -sdk iphoneos lipo -info libavformat.a
  9. Architectures in the fat file: libavformat.a are: armv7 armv7s
  10.  
  11.  
  12. $ xcrun -sdk iphoneos nm libavformat.a | grep avformat_open_input
  13.          U _avformat_open_input
  14.          U _avformat_open_input
  15.          U _avformat_open_input
  16.          U _avformat_open_input
  17.          U _avformat_open_input
  18.          U _avformat_open_input
  19.          U _avformat_open_input
  20. 00000868 T _avformat_open_input
  21.          U _avformat_open_input
  22.          U _avformat_open_input
  23.          U _avformat_open_input
  24.          U _avformat_open_input
  25.          U _avformat_open_input
  26.          U _avformat_open_input
  27.          U _avformat_open_input
  28. 00000868 T _avformat_open_input
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https://ideone.com/AKedqP
language:
Text (text 6.10)
created:
11 years ago
visibility:
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