想要安装jsoncpp，https://github.com/open-source-parsers/jsoncpp
说明：“首先，安装介子（需要Python3）和忍者”
运行sudo apt-get install meson ninja导致：
sudo apt-get install meson ninja
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
meson : Depends: ninja-build but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
尝试安装忍者删除介子，安装介子删除忍者
答案 0 :(得分：1)
ninja构建系统的正确Debian软件包是ninja-build。
sudo apt-get install meson ninja-build