Compile opencv program

prashad@ubuntu:~/$ g++  sample.cpp `pkg-config --cflags --libs opencv` 

NOTE: compiling any program for opencv , we need to add `pkg-config --flags --libs opencv` otherwise it prompts undefined references errors. to eliminate below errors please compile like above command.
Compilation errors:
open_videofile.cpp:(.text+0x53): undefined reference to `cv::VideoCapture::VideoCapture(cv::String const&)'
open_videofile.cpp:(.text+0x71): undefined reference to `cv::VideoCapture::isOpened() const'
open_videofile.cpp:(.text+0xca): undefined reference to `cv::VideoCapture::get(int) const'

tags: ubuntu, C++, opencv
usefull link: 
https://www.learnopencv.com/how-to-compile-opencv-sample-code/

Source: learnopencv.com

Similar codes

1 vote329 views2 answers
React-textfit
C
0 vote315 views1 answer
Gitlab ci heroku
C
0 vote390 views1 answer
Rpobleme valgrind
C
0 vote334 views1 answer
How to include multiline conditional inside template literal
C
0 vote322 views1 answer
Voide means in c
C
1 vote330 views1 answer
No module named 'vectormath'
C
2 votes314 views1 answer
Mirzapur 2
C
7 votes326 views6 answers
Reverse string in c
C
0 vote327 views2 answers
Obstacle avoiding robot in c++ program
C
1 vote297 views1 answer
False and true in c
C