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Apt 找不到软件包 libasound2-dev 20.04 arm64

tag-icon • tag-icon apt 20.04 raspberrypi arm64
Apt 找不到软件包 libasound2-dev 20.04 arm64

我正在尝试libasound2-dev在 Raspberry Pi 4 上安装新安装的 Ubuntu 20.04，但apt报告说找不到该软件包。

运行apt search libasound2收益：

ubuntu@ubuntu:~$ sudo apt search libasound2
Sorting... Done
Full Text Search... Done
alsa-topology-conf/now 1.2.2-1 all [installed,local]
  ALSA topology configuration files

libasound2/now 1.2.2-2.1 arm64 [installed,local]
  shared library for ALSA applications

libasound2-data/now 1.2.2-2.1 all [installed,local]
  Configuration files and profiles for ALSA drivers

ubuntu@ubuntu:~$

然而，查看软件包存储库，它应该适用于 arm64：https://packages.ubuntu.com/focal/libasound2-dev

我的/etc/apt/sources.list如下（删除注释行之后）。

deb http://ports.ubuntu.com/ubuntu-ports focal main restricted
deb http://ports.ubuntu.com/ubuntu-ports focal-updates main restricted
deb http://ports.ubuntu.com/ubuntu-ports focal universe
deb http://ports.ubuntu.com/ubuntu-ports focal-updates universe
deb http://ports.ubuntu.com/ubuntu-ports focal multiverse
deb http://ports.ubuntu.com/ubuntu-ports focal-updates multiverse
deb http://ports.ubuntu.com/ubuntu-ports focal-backports main restricted universe multiverse
deb http://ports.ubuntu.com/ubuntu-ports focal-security main restricted
deb http://ports.ubuntu.com/ubuntu-ports focal-security universe
deb http://ports.ubuntu.com/ubuntu-ports focal-security multiverse

如果有帮助的话，这个问题似乎并不特定于libasound2-dev。apt 似乎无法在该libdevel部分中找到任何内容。

答案1

我注意到其中一些文件的/var/lib/apt/lists/大小为零，因此我运行了：

sudo apt-get clean
sudo apt-get autoclean
sudo rm -rf /var/lib/apt/lists/
sudo apt update

许多零大小文件要大得多，运行后apt search libasound2-dev产生了预期的结果。

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