一、环境介绍
Ubuntu 16.04
搜狗输入法: sogoupinyin_2.0.0.0078_amd64
二、问题表现
sudo dpkg -i sogoupinyin_2.0.0.0078_amd64.deb
错误信息如下:
sogoupinyin : Depends: libopencc2 but it is not installable or libopencc1 but it is not going to be installed Depends: fcitx-libs (>= 4.2.7) but it is not going to be installed Depends: fcitx-libs-qt (>= 4.2.7) but it is not going to be installed Recommends: fonts-droid-fallback but it is not going to be installed or fonts-droid but it is not installable E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
一看就知道是依赖包存在问题
三、问题分析
之前在Ubuntu 15.10的版本之时,使用同样的sogou版本,不存在此类的问题。 但是在Ubuntu 16.04中,却存在此类问题,说明Ubuntu升级之后,sogou输入法并未做相应的系统兼容性测试, 故起最高的Ubuntu支持版本时15.10.
虽然我们知道了问题,但是该如何解决呢?
基于错误信息,我们发现起依赖包有以下几个: libopencc1 libopencc2, fcitx-libs, fcitx-libs-qt font-droid-fallback.
四、试错分析
试错1:
bladestone@bladestone-laptop:~$ sudo apt install fcitx-libs Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: sogoupinyin : Depends: libopencc2 but it is not installable or libopencc1 but it is not going to be installed Depends: fcitx-libs-qt (>= 4.2.7) but it is not going to be installed Recommends: fonts-droid-fallback but it is not going to be installed or fonts-droid but it is not installable E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
试错2:
bladestone@bladestone-laptop:~$ sudo apt install fcitx-libs-qt Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: sogoupinyin : Depends: libopencc2 but it is not installable or libopencc1 but it is not going to be installed Depends: fcitx-libs (>= 4.2.7) but it is not going to be installed Recommends: fonts-droid-fallback but it is not going to be installed or fonts-droid but it is not installable E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
试错3:
bladestone@bladestone-laptop:~$ sudo apt install fcitx-libs-qt fcitx-libs Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: sogoupinyin : Depends: libopencc2 but it is not installable or libopencc1 but it is not going to be installed Recommends: fonts-droid-fallback but it is not going to be installed or fonts-droid but it is not installable E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
试错4:
bladestone@bladestone-laptop:~$ sudo apt install fonts-droid-fallback Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: sogoupinyin : Depends: libopencc2 but it is not installable or libopencc1 but it is not going to be installed Depends: fcitx-libs (>= 4.2.7) but it is not going to be installed Depends: fcitx-libs-qt (>= 4.2.7) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
试错5:
bladestone@bladestone-laptop:~$ sudo apt install libopencc1 Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: sogoupinyin : Depends: fcitx-libs (>= 4.2.7) but it is not going to be installed Depends: fcitx-libs-qt (>= 4.2.7) but it is not going to be installed Recommends: fonts-droid-fallback but it is not going to be installed or fonts-droid but it is not installable E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
分析: 经过各种尝试,发现依然无法正常解决问题,类库包之间的依赖关系还是非常复杂的。
五、问题解决
5.1 移除sogou输入法, 由于其安装不完整
sudo apt remove sogoupinyin
执行过程:
Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: sogoupinyin 0 upgraded, 0 newly installed, 1 to remove and 43 not upgraded. 1 not fully installed or removed. After this operation, 42.6 MB disk space will be freed. Do you want to continue"htmlcode">sudo apt install libopencc1 fcitx-libs fcitx-libs-qt fonts-droid-fallback5.3 重新安装sogou输入法
sudo dpkg -i sogoupinyin_2.0.0.0078_amd64.deb结果 一切顺利,没有报类似的错误信息
总结
安装依赖需要一次安装完成,切勿单个安装,主要是由于包之间彼此会有一定的依赖关系,这个是你无法准确定位的,故在 一次安装动作中做完。
另外需要注意的是: sogou输入法的Linux版本目前只兼容到Ubunut 15.10, 请大家彼此周知该情况。
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