ubuntu1804系统(xavier、NX)编译opencv报E:Unable to locate package libjasper-dev等最新解决方法
opencv依赖包安装
sudo apt install libjasper1 libjasper-dev
报错:
使用《Xavier NX安装opencv3.4.7》里说的解决方法~不行:

新的解决方法:
1.sudo gedit /etc/apt/sources.list
2.在sources.list文件最后面 添加:
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial main multiverse restricted universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-security main multiverse restricted universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-updates main multiverse restricted universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-backports main multiverse restricted universe
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial main multiverse restricted universe
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-security main multiverse restricted universe
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-updates main multiverse restricted universe
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-backports main multiverse restricted universe
如下图: 
3.sudo apt-get update
4.sudo apt install libjasper1 libjasper-dev
其他依赖包:
1. No package ‘gtk+-3.0’ found
sudo apt-get install libgtk-3-dev
2. No package 'gstreamer-base-1.0' found
sudo apt install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev