无法通过 apt-get 在 Ubuntu 12.04.4 上找到软件包 libffi 和 libffi5-dev

Question

$ sudo apt-get install libffi libffi5-dev
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package libffi
E: Unable to locate package libffi5-dev

另一个尝试：

$ sudo apt-get install libffi5 libffi-dev
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package libffi5

和

$ cat /etc/issue  
Ubuntu 12.04.4 LTS \n \l

我现在该怎么办？

Answer 1

这些包被称为libffi6和libffi-dev。

包名可以在http://packages.ubuntu.com/上搜索

搜索包使用apt-cache search.
您的案例中的以下示例可以帮助您：

$ apt-cache search libffi
libffi-dev - Foreign Function Interface library (development files)
libffi6 - Foreign Function Interface library runtime
libffi6-dbg - Foreign Function Interface library runtime (debug symbols)
ffindex-dbg - simple index/database for huge amounts of small files (debug)
libbfio-dbg - Library to provide basic input/output abstraction (debug)
libffindex0 - library for simple index/database for huge amounts of small files
libffindex0-dev - library for simple index/database for huge amounts of small files (development)
libjffi-java - Java Foreign Function Interface
libjffi-jni - Java Foreign Function Interface (JNI library)