如何将目录添加到PKG_CONFIG_PATH环境变量? [英] How to add a directory to the PKG_CONFIG_PATH environment variable?

问题描述

我是使用Ubuntu的新手，问题是我想安装opencv，然后我想用这句话查看已安装程序的版本

Im new using Ubuntu, the problem is that i want to install opencv, then i want to see the version of the installed program using this sentence

pkg-config --modversion opencv

然后终端显示出这种类型的错误"

Then the terminal shows me this type of "error"

Package opencv was not found in the pkg-config search path.
Perhaps you should add the directory containing `opencv.pc'
to the PKG_CONFIG_PATH environment variable
No package 'opencv' found

我试图做所有事情，但是它不起作用，有人知道如何解决?

I tried to do everything and it doesnt work, someone knows how to fix it?

推荐答案

将开发包安装为:

apt install libopencv-dev

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