ld: warning: ignoring file /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS12.1.sdk/usr/lib/libz.tbd, missing required architecture x86_64 in file /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS12.1.sdk/usr/lib/libz.tbd (4 slices)
Undefined symbols for architecture x86_64:
  "_uncompress", referenced from:
      _id3v2_read_internal in libavformat.a(id3v2.o)
     (maybe you meant: _snappy_uncompress, _snappy_uncompressed_length )
  "_deflateReset", referenced from:
      _png_deflate_claim in libpng17.a(pngwutil.o)
  "_inflateEnd", referenced from:
      ezuncompress(unsigned char*, long*, unsigned char const*, long) in libnative.a(zim_load.o)
      CISOFileBlockDevice::ReadBlock(int, unsigned char*, bool) in libCore.a(BlockDevices.o)
      CISOFileBlockDevice::ReadBlocks(unsigned int, int, unsigned char*) in libCore.a(BlockDevices.o)
      decompress_string(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> >*) in libnative.a(compression.o)
      _png_read_destroy in libpng17.a(pngread.o)
      _zip_fclose in liblibzip.a(zip_fclose.o)
      sceDeflateDecompress(unsigned int, int, unsigned int, unsigned int) in libCore.a(sceDeflt.o)
      ...
  "_deflate", referenced from:
      _add_data_uncomp in liblibzip.a(zip_close.o)
      _png_compress_IDAT in libpng17.a(pngwutil.o)
      _png_text_compress in libpng17.a(pngwutil.o)
  "_deflateInit2_", referenced from:
      _add_data_uncomp in liblibzip.a(zip_close.o)
      _png_deflate_claim in libpng17.a(pngwutil.o)
  "_adler32", referenced from:
      _png_compare_ICC_profile_with_sRGB in libpng17.a(png.o)
      sceAdler32(unsigned int, unsigned int, unsigned int) in libCore.a(sceAdler.o)
  "_inflateReset", referenced from:
      CISOFileBlockDevice::ReadBlocks(unsigned int, int, unsigned char*) in libCore.a(BlockDevices.o)
      _png_inflate_claim in libpng17.a(pngrutil.o)
      _png_decompress_chunk in libpng17.a(pngrutil.o)
  "_inflate", referenced from:
      ezuncompress(unsigned char*, long*, unsigned char const*, long) in libnative.a(zim_load.o)
      CISOFileBlockDevice::ReadBlock(int, unsigned char*, bool) in libCore.a(BlockDevices.o)
      CISOFileBlockDevice::ReadBlocks(unsigned int, int, unsigned char*) in libCore.a(BlockDevices.o)
      decompress_string(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> >*) in libnative.a(compression.o)
      _zip_fread in liblibzip.a(zip_fread.o)
      _png_inflate_read in libpng17.a(pngrutil.o)
      _png_read_IDAT_data in libpng17.a(pngrutil.o)
      ...
  "_deflateEnd", referenced from:
      _png_write_destroy in libpng17.a(pngwrite.o)
      _add_data_uncomp in liblibzip.a(zip_close.o)
      _png_deflate_claim in libpng17.a(pngwutil.o)
  "_inflateInit_", referenced from:
      ezuncompress(unsigned char*, long*, unsigned char const*, long) in libnative.a(zim_load.o)
      _png_inflate_claim in libpng17.a(pngrutil.o)
  "_inflateInit2_", referenced from:
      CISOFileBlockDevice::ReadBlock(int, unsigned char*, bool) in libCore.a(BlockDevices.o)
      CISOFileBlockDevice::ReadBlocks(unsigned int, int, unsigned char*) in libCore.a(BlockDevices.o)
      decompress_string(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> >*) in libnative.a(compression.o)
      _zip_fopen_index in liblibzip.a(zip_fopen_index.o)
      sceDeflateDecompress(unsigned int, int, unsigned int, unsigned int) in libCore.a(sceDeflt.o)
      sceGzipDecompress(unsigned int, int, unsigned int, unsigned int) in libCore.a(sceDeflt.o)
      sceZlibDecompress(unsigned int, int, unsigned int, unsigned int) in libCore.a(sceDeflt.o)
      ...
  "_crc32", referenced from:
      BlockDevice::CalculateCRC() in libCore.a(BlockDevices.o)
      _png_reset_crc in libpng17.a(png.o)
      _png_calculate_crc in libpng17.a(png.o)
      _png_compare_ICC_profile_with_sRGB in libpng17.a(png.o)
      _add_data_uncomp in liblibzip.a(zip_close.o)
      __zip_file_new in liblibzip.a(zip_fopen_index.o)
      _zip_fread in liblibzip.a(zip_fread.o)
      ...
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)