我正在尝试安装 libqt4-core，但似乎对于依赖项，我有比与此包兼容的版本更新的版本。当我使用时，sudo apt-get install libqt4-core我的输出如下：
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:
libqt4-core : Depends: libqt4-dbus (= 4:4.8.5+git192-g085f851+dfsg-2ubuntu4) but 4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1 is to be installed
Depends: libqt4-network (= 4:4.8.5+git192-g085f851+dfsg-2ubuntu4) but 4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1 is to be installed
Depends: libqt4-script (= 4:4.8.5+git192-g085f851+dfsg-2ubuntu4) but 4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1 is to be installed
Depends: libqt4-test (= 4:4.8.5+git192-g085f851+dfsg-2ubuntu4) but 4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1 is to be installed
Depends: libqt4-xml (= 4:4.8.5+git192-g085f851+dfsg-2ubuntu4) but 4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1 is to be installed
Depends: libqtcore4 (= 4:4.8.5+git192-g085f851+dfsg-2ubuntu4) but 4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1 is to be installed
E: Unable to correct problems, you have held broken packages.
答案1
从命令行执行此操作
uname -i
如果列出了 x86_64，则说明您拥有 64 位系统，否则为 i386、i586、i686，则说明您拥有 32 位系统。
sudo apt-get update
dpkg --get-selections | grep -i qt
这列出了我的系统上的以下内容
appmenu-qt:amd64 install
appmenu-qt5 install
libaccounts-qt5-1:amd64 install
libdbusmenu-qt2:amd64 install
libdbusmenu-qt5:amd64 install
libgsettings-qt1:amd64 install
libqt4-dbus:amd64 install
libqt4-dbus:i386 install
libqt4-declarative:amd64 install
libqt4-declarative:i386 install
libqt4-network:amd64 install
libqt4-network:i386 install
libqt4-opengl:i386 install
libqt4-script:amd64 install
libqt4-script:i386 install
libqt4-sql:amd64 install
libqt4-sql:i386 install
libqt4-sql-mysql:i386 install
libqt4-sql-sqlite:amd64 install
libqt4-xml:amd64 install
libqt4-xml:i386 install
libqt4-xmlpatterns:amd64 install
libqt4-xmlpatterns:i386 install
libqt5core5a:amd64 install
libqt5dbus5:amd64 install
libqt5feedback5:amd64 install
libqt5gui5:amd64 install
libqt5multimedia5:amd64 install
libqt5network5:amd64 install
libqt5opengl5:amd64 install
libqt5organizer5:amd64 install
libqt5positioning5:amd64 install
libqt5printsupport5:amd64 install
libqt5qml5:amd64 install
libqt5quick5:amd64 install
libqt5quicktest5:amd64 install
libqt5sql5:amd64 install
libqt5sql5-sqlite:amd64 install
libqt5svg5:amd64 install
libqt5test5:amd64 install
libqt5webkit5:amd64 install
libqt5widgets5:amd64 install
libqt5x11extras5:amd64 install
libqt5xml5:amd64 install
libqtcore4:amd64 install
libqtcore4:i386 install
libqtdbus4:amd64 install
libqtdbus4:i386 install
libqtgui4:amd64 install
libqtgui4:i386 install
libqtwebkit4:i386 install
libsignon-qt5-1:amd64 install
libunity-action-qt1:amd64 install
oxideqt-codecs-extra:amd64 install
qml-module-qt-labs-folderlistmodel:amd64 install
qml-module-qt-labs-settings:amd64 install
qml-module-qtfeedback:amd64 install
qml-module-qtgraphicaleffects:amd64 install
qml-module-qtquick-layouts:amd64 install
qml-module-qtquick-window2:amd64 install
qml-module-qtquick2:amd64 install
qml-module-qttest:amd64 install
qml-module-qtwebkit:amd64 install
qt-at-spi:amd64 install
qt-at-spi:i386 install
qtchooser install
qtcore4-l10n install
qtdeclarative5-accounts-plugin:amd64 install
qtdeclarative5-dev-tools install
qtdeclarative5-qtquick2-plugin:amd64 install
qtdeclarative5-test-plugin:amd64 install
qtdeclarative5-ubuntu-ui-toolkit-plugin install
qtdeclarative5-unity-action-plugin:amd64 install
qttranslations5-l10n install
sni-qt:amd64
从此列表中，您需要的包是
sudo apt-get install libqtcore4