我正在使用 Ubuntu 18.04.4 LTS，並且我正在嘗試安裝libgpgme-dev.這是命令和輸出。
$ sudo apt install libgpgme-dev
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:
libgpgme-dev : Depends: libgpgme11 (= 1.10.0-1ubuntu1) but 1.10.0-1ubuntu2 is to be installed
E: Unable to correct problems, you have held broken packages.
我安裝了依賴項libgpgme11，但版本是1.10.0-1ubuntu2，而我想要的套件需要1.10.0-1ubuntu1。
$ dpkg --list | grep libgpgme11
ii libgpgme11:amd64 1.10.0-1ubuntu2 amd64 GPGME - GnuPG Made Easy (library)
libgpgme-dev鑑於我目前的狀態，我該如何安裝？
我搜尋了已安裝的反向依賴項libgpgme11，這就是我找到的。
$ apt-cache rdepends --installed libgpgme11
libgpgme11
Reverse Depends:
libgpgmepp6
fwupd
seahorse
libvolume-key1
libgpgmepp6
fwupd
libgmime-3.0-0
apt-cache policy以下是相關包的輸出。
$ apt-cache policy libgpgme11 libgpgme-dev
libgpgme11:
Installed: 1.10.0-1ubuntu2
Candidate: 1.10.0-1ubuntu2
Version table:
*** 1.10.0-1ubuntu2 100
100 /var/lib/dpkg/status
1.10.0-1ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
libgpgme-dev:
Installed: (none)
Candidate: 1.10.0-1ubuntu1
Version table:
1.10.0-1ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages