opencv pkgconfig error

To add the correct path to your bashrc you can do the following steps sudo find / -name "opencv.pc" -type f notice the directory output from 1. (without filename) open /etc/bash.bashrc sudo vi /etc/bash/bash.bashrc find and edit or add the following lines PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/your/path/from/#1 export PKG_CONFIG_PATH save your file :wq logout and login again to active the changes