The following packages have unmet dependencies:
build-essential : Depends: libc6-dev but it is not going to be installed or
libc-dev
Depends: g++ (>= 4:4.9.1) but it is not going to be installed
Depends: dpkg-dev (>= 1.17.11) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
[错误] 编译工具包 安装 失败
The following packages have unmet dependencies:
build-essential : Depends: libc6-dev but it is not going to be installed or
libc-dev
Depends: g++ (>= 4:4.9.1) but it is not going to be installed
Depends: dpkg-dev (>= 1.17.11) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
[错误] 编译工具包 安装 失败
报错这个怎么办啊，系统是Debian 9