我在 ubunut 12.04 上使用 opencv 3，在显示图像时，错误消息要求我使用 libgtk2.0-dev 构建库。我试过sudo apt-get install libgtk2.0-dev但我收到以下错误。
teraflops@teraflops-Inspiron-3542:~$ sudo apt-get install libgtk2.0-devReading 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 …