I installed opencv library version 4.5.0-pre on raspberry pi 4.
But I have errors:
/usr/bin/ld: /tmp/ccjurhlf.o: неопределённая ссылка на символ «_ZN2cv8imencodeERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKNS_11_InputArrayERSt6vectorIhSaIhEERKSB_IiSaIiEE»
/usr/bin/ld: //usr/local/lib/libopencv_imgcodecs.so.4.5: error adding symbols: в командной строке не указан DSO
collect2: error: ld returned 1 exit status
I solved this problem by replacing CV_ * with cv :: in the file according to this recommendation. Also I used the following command to compile.
I installed opencv library version 4.5.0-pre on raspberry pi 4. But I have errors:
I solved this problem by replacing CV_ * with cv :: in the file according to this recommendation. Also I used the following command to compile.