如何在ubuntu14.04上安装clang
我想学习llvm，所以我必须在我的ubuntu 14.04中安装clang，但我遇到了一些问题。这里是： 当我执行命令：如何在ubuntu14.04上安装clang,ubuntu,clang,llvm-clang,Ubuntu,Clang,Llvm Clang,我想学习llvm，所以我必须在我的ubuntu 14.04中安装clang，但我遇到了一些问题。这里是： 当我执行命令：sudo apt get install clang-3.5时，我只收到如下错误消息： Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mea
sudo apt get install clang-3.5Reading 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: clang-3.5 : Depends:
libclang1-3.5 (= 1:3.5~svn201651-1ubuntu1) but it is not going to be
installed
Depends: libobjc-4.8-dev but it is not going to be installed E: Unable to correct problems, you have held broken
packages.
sudo apt-get install libclang1-3.5
sudo apt-get install libobjc-4.8-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: libclang1-3.5 :
Depends: libobjc-4.8-dev but it is not going to be installed E: Unable
to correct problems, you have held broken packages.
sudo apt-get install libclang1-3.5
sudo apt-get install libobjc-4.8-dev
The following packages have unmet dependencies: libobjc-4.8-dev :
Depends: gcc-4.8-base (= 4.8.2-19ubuntu1) but 4.8.4-2ubuntu1~14.04.1
is to be installed
Depends: libgcc-4.8-dev (= 4.8.2-19ubuntu1) but 4.8.4-2ubuntu1~14.04.1 is to be installed
Depends: libobjc4 (>= 4.8.2-19ubuntu1) but it is not going to be installed E: Unable to correct problems, you have held
broken packages.
sudo-apt-get安装gcc-4.8-dev之后
再次获取一些错误消息
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages have unmet dependencies:
lib32gcc-4.8-dev : Depends: gcc-4.8-base (= 4.8.2-19ubuntu1) but 4.8.4-2ubuntu1~14.04.1 is to be installed
Depends: lib32gomp1 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: libx32gomp1 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: lib32itm1 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: libx32itm1 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: lib32atomic1 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: libx32atomic1 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: lib32asan0 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: libx32asan0 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: lib32quadmath0 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: libx32quadmath0 (>= 4.8.2-19ubuntu1) but it is not going to be installed
libx32gcc-4.8-dev : Depends: gcc-4.8-base (= 4.8.2-19ubuntu1) but 4.8.4-2ubuntu1~14.04.1 is to be installed
Depends: lib32gomp1 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: libx32gomp1 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: lib32itm1 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: libx32itm1 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: lib32atomic1 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: libx32atomic1 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: lib32asan0 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: libx32asan0 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: lib32quadmath0 (>= 4.8.2-19ubuntu1) but it is not going to be installed
Depends: libx32quadmath0 (>= 4.8.2-19ubuntu1) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
我现在该怎么办
==============================================
在执行命令sudo apt get purge gcc*后，我收到了以下消息，似乎遇到了一些错误
zhangkehu@ubuntu:/$ sudo apt-get purge gcc*
Reading package lists... Done
Building dependency tree
Reading state information... Done
Note, selecting 'gcc-4.8-aarch64-linux-gnu' for regex 'gcc*'
Note, selecting 'libx32gcc-4.7-dev' for regex 'gcc*'
Note, selecting 'libghc-gconf-dev' for regex 'gcc*'
Note, selecting 'gcompris-sound-pa' for regex 'gcc*'
Note, selecting 'libghc-libtagc-prof' for regex 'gcc*'
Note, selecting 'libgcc1-dbg-armel-cross' for regex 'gcc*'
Note, selecting 'gcj-4.8-jdk-aarch64-linux-gnu' for regex 'gcc*'
Note, selecting 'libhfgcc1-armel-dcv1' for regex 'gcc*'
Note, selecting 'gcj-4.8-aarch64-linux-gnu' for regex 'gcc*'
Note, selecting 'gcompris-sound-pt' for regex 'gcc*'
Note, selecting 'gccgo-4.7' for regex 'gcc*'
Note, selecting 'gccgo-4.8' for regex 'gcc*'
Note, selecting 'gccgo-4.9' for regex 'gcc*'
Note, selecting 'gcj-aarch64-linux-gnu' for regex 'gcc*'
Note, selecting 'logcentral' for regex 'gcc*'
Note, selecting 'libgcc1-dbg-powerpc-cross' for regex 'gcc*'
Note, selecting 'gconf2' for regex 'gcc*'
Note, selecting 'gcc-4.4-locales' for regex 'gcc*'
Note, selecting 'gcompris-sound-ru' for regex 'gcc*'
Note, selecting 'gcc-4.4-powerpc-linux-gnu' for regex 'gcc*'
Note, selecting 'lib32gcc-4.7-dev' for regex 'gcc*'
Note, selecting 'guile-gnome2-gconf' for regex 'gcc*'
Note, selecting 'gcovr' for regex 'gcc*'
Note, selecting 'gcal-common' for regex 'gcc*'
Note, selecting 'pulseaudio-module-gconf' for regex 'gcc*'
Note, selecting 'gcc-4.8-base' for regex 'gcc*'
Note, selecting 'java-gcj-compat' for regex 'gcc*'
Note, selecting 'gcompris-sound-sk' for regex 'gcc*'
Note, selecting 'gcompris-sound-sl' for regex 'gcc*'
Note, selecting 'libgcr-3-doc' for regex 'gcc*'
Note, selecting 'gcj-jre-headless' for regex 'gcc*'
Note, selecting 'gcompris-sound-so' for regex 'gcc*'
Note, selecting 'gcc-4.8-plugin-dev' for regex 'gcc*'
Note, selecting 'gcompris-sound-sr' for regex 'gcc*'
Note, selecting 'gcompris-sound-sv' for regex 'gcc*'
Note, selecting 'libghc-svgcairo-dev-0.12.1-becda' for regex 'gcc*'
Note, selecting 'libgcrypt-doc' for regex 'gcc*'
Note, selecting 'libtagc0-ruby' for regex 'gcc*'
Note, selecting 'gccgo-4.9-doc' for regex 'gcc*'
Note, selecting 'gcompris-sound-th' for regex 'gcc*'
Note, selecting 'libgcc1-armel-cross' for regex 'gcc*'
Note, selecting 'gcompris-sound-tr' for regex 'gcc*'
Note, selecting 'gcc-4.8-aarch64-linux-gnu-base' for regex 'gcc*'
Note, selecting 'gcc-aarch64-linux-gnu' for regex 'gcc*'
Note, selecting 'kjumpingcube' for regex 'gcc*'
Note, selecting 'eclipse-rcp-gcj' for regex 'gcc*'
Note, selecting 'tagcoll' for regex 'gcc*'
Note, selecting 'gcc-4.8-source' for regex 'gcc*'
Note, selecting 'java-gcj-compat-headless' for regex 'gcc*'
Note, selecting 'gcompris' for regex 'gcc*'
Note, selecting 'libgconfmm-2.6-doc' for regex 'gcc*'
Note, selecting 'gcompris-sound-ur' for regex 'gcc*'
Note, selecting 'gcc-4.7-arm-linux-gnueabihf' for regex 'gcc*'
Note, selecting 'icedtea-gcjwebplugin' for regex 'gcc*'
Note, selecting 'gcc-4.4-arm-linux-gnueabihf' for regex 'gcc*'
Note, selecting 'gcc-mingw-w64-bootstrap' for regex 'gcc*'
Note, selecting 'gcc-4.8-multilib' for regex 'gcc*'
Note, selecting 'libtagc0-dev' for regex 'gcc*'
Note, selecting 'gconf-service-backend' for regex 'gcc*'
Note, selecting 'logcheck-database' for regex 'gcc*'
Note, selecting 'libgcc1-dbg-arm64-cross' for regex 'gcc*'
Note, selecting 'gcc-4.8-powerpc64le-linux-gnu-base' for regex 'gcc*'
Note, selecting 'lib32gcc1' for regex 'gcc*'
Note, selecting 'libhtml-tagcloud-perl' for regex 'gcc*'
Note, selecting 'gccgo' for regex 'gcc*'
Note, selecting 'gconf2-common' for regex 'gcc*'
Note, selecting 'python-pygccxml' for regex 'gcc*'
Note, selecting 'gcc-snapshot' for regex 'gcc*'
Note, selecting 'gcc-4.8-powerpc-linux-gnu-base' for regex 'gcc*'
Note, selecting 'gcc-4.6-multilib' for regex 'gcc*'
Note, selecting 'libsigc++-2.0-dev' for regex 'gcc*'
Note, selecting 'gcc-4.7-base' for regex 'gcc*'
Note, selecting 'libgc-dev' for regex 'gcc*'
Note, selecting 'libgconf2.0-cil-dev' for regex 'gcc*'
Note, selecting 'pulseaudio-module-gconf-dbg' for regex 'gcc*'
Note, selecting 'libgcc1-armhf-dcv1' for regex 'gcc*'
Note, selecting 'libx32gcc-4.8-dev' for regex 'gcc*'
Note, selecting 'libvomsjapi-java-gcj' for regex 'gcc*'
Note, selecting 'gcc-avr' for regex 'gcc*'
Note, selecting 'gcompris-data' for regex 'gcc*'
Note, selecting 'libghc-gconf-dev-0.12.1.1-4d3b6' for regex 'gcc*'
Note, selecting 'gcc-4.4-multilib' for regex 'gcc*'
Note, selecting 'libghc-svgcairo-prof' for regex 'gcc*'
Note, selecting 'gcc-4.6-doc' for regex 'gcc*'
Note, selecting 'libghc-gconf-doc' for regex 'gcc*'
Note, selecting 'gccgo-powerpc-linux-gnu' for regex 'gcc*'
Note, selecting 'libsac-java-gcj' for regex 'gcc*'
Note, selecting 'fcitx-libs-gclient' for regex 'gcc*'
Note, selecting 'gcj-4.8-jdk-powerpc64le-linux-gnu' for regex 'gcc*'
Note, selecting 'libgnome2-gconf-perl' for regex 'gcc*'
Note, selecting 'gcal' for regex 'gcc*'
Note, selecting 'gcap' for regex 'gcc*'
Note, selecting 'libgcc1-arm64-cross' for regex 'gcc*'
Note, selecting 'libsigc++-1.1-dev' for regex 'gcc*'
Note, selecting 'gcj-jdk' for regex 'gcc*'
Note, selecting 'gcj-arm-linux-gnueabihf' for regex 'gcc*'
Note, selecting 'lib32gcc-4.8-dev' for regex 'gcc*'
Note, selecting 'colorgcc' for regex 'gcc*'
Note, selecting 'sagcad-doc' for regex 'gcc*'
Note, selecting 'libghc-svgcairo-dev' for regex 'gcc*'
Note, selecting 'lib64gcc1-powerpc-cross' for regex 'gcc*'
Note, selecting 'compizconfig-backend-gconf' for regex 'gcc*'
Note, selecting 'libgc1c2' for regex 'gcc*'
Note, selecting 'libgc1c3' for regex 'gcc*'
Note, selecting 'libgcc-4.8-dev-ppc64el-cross' for regex 'gcc*'
Note, selecting 'gcin-qt4-immodule' for regex 'gcc*'
Note, selecting 'gcompris-sound-ptbr' for regex 'gcc*'
Note, selecting 'gcc-4.6-base' for regex 'gcc*'
Note, selecting 'gcfilms' for regex 'gcc*'
Note, selecting 'libsigc++-2.0-0' for regex 'gcc*'
Note, selecting 'gccgo-4.8-arm-linux-gnueabihf' for regex 'gcc*'
Note, selecting 'git-remote-gcrypt' for regex 'gcc*'
Note, selecting 'gcc-arm-linux-gnueabi' for regex 'gcc*'
Note, selecting 'gcdw' for regex 'gcc*'
Note, selecting 'gcc-arm-none-eabi' for regex 'gcc*'
Note, selecting 'libgcc1-powerpc-cross' for regex 'gcc*'
Note, selecting 'libxmlsec1-gcrypt' for regex 'gcc*'
Note, selecting 'libqtgconf-dev' for regex 'gcc*'
Note, selecting 'libgcc1-armel-dcv1' for regex 'gcc*'
Note, selecting 'libhfgcc1-dbg-armel-cross' for regex 'gcc*'
Note, selecting 'gcc-4.5-arm-linux-gnueabi' for regex 'gcc*'
Note, selecting 'gcj-4.8-jdk' for regex 'gcc*'
Note, selecting 'libgcu-dbg' for regex 'gcc*'
Note, selecting 'libsfgcc1-armhf-dcv1' for regex 'gcc*'
Note, selecting 'gcc-opt' for regex 'gcc*'
Note, selecting 'xgc' for regex 'gcc*'
Note, selecting 'libsaxon-java-gcj' for regex 'gcc*'
Note, selecting 'gcc-4.6-source' for regex 'gcc*'
Note, selecting 'libgcc1-dbg' for regex 'gcc*'
Note, selecting 'python-argcomplete' for regex 'gcc*'
Note, selecting 'libsigc++-1.9-0' for regex 'gcc*'
Note, selecting 'gcc-4.7-arm-linux-gnueabihf-base' for regex 'gcc*'
Note, selecting 'libextutils-pkgconfig-perl' for regex 'gcc*'
Note, selecting 'gccgo-arm-linux-gnueabihf' for regex 'gcc*'
Note, selecting 'gcc-4.7-arm-linux-gnueabi' for regex 'gcc*'
Note, selecting 'libghc-libtagc-prof-0.12.0-7e84b' for regex 'gcc*'
Note, selecting 'gcstar' for regex 'gcc*'
Note, selecting 'fcitx-table-bingchan' for regex 'gcc*'
Note, selecting 'gccgo-multilib' for regex 'gcc*'
Note, selecting 'libgconf2-dev' for regex 'gcc*'
Note, selecting 'pngcrush' for regex 'gcc*'
Note, selecting 'lib64gcc1-dbg-powerpc-cross' for regex 'gcc*'
Note, selecting 'gccgo-4.8-powerpc-linux-gnu' for regex 'gcc*'
Note, selecting 'libsigc++-2.0-doc' for regex 'gcc*'
Note, selecting 'libgcc1' for regex 'gcc*'
Note, selecting 'libgcc-4.7-dev-armhf-cross' for regex 'gcc*'
Note, selecting 'gcc-mingw-w64-base' for regex 'gcc*'
Note, selecting 'gcc-4.7-doc' for regex 'gcc*'
Note, selecting 'gcc-docs' for regex 'gcc*'
Note, selecting 'libsigc++-2.0-0c2a' for regex 'gcc*'
Note, selecting 'gcin' for regex 'gcc*'
Note, selecting 'libtagc0-ruby1.8' for regex 'gcc*'
Note, selecting 'llvm-gcc' for regex 'gcc*'
Note, selecting 'libgctp-dev' for regex 'gcc*'
Note, selecting 'pngcheck' for regex 'gcc*'
Note, selecting 'nagcon' for regex 'gcc*'
Note, selecting 'libgctp0d' for regex 'gcc*'
Note, selecting 'gcc-multilib' for regex 'gcc*'
Note, selecting 'r-cran-mgcv' for regex 'gcc*'
Note, selecting 'lib64gcc1-powerpc-dcv1' for regex 'gcc*'
Note, selecting 'gccgo-4.8-multilib' for regex 'gcc*'
Note, selecting 'libsigc++-2.0-0c2' for regex 'gcc*'
Note, selecting 'libdesktop-agnostic-cfg-gconf' for regex 'gcc*'
Note, selecting 'gcin-tables' for regex 'gcc*'
Note, selecting 'libgcj14-dev' for regex 'gcc*'
Note, selecting 'gcompris-sound-fi' for regex 'gcc*'
Note, selecting 'libswt3.2-gtk-gcj' for regex 'gcc*'
Note, selecting 'gccgo-doc' for regex 'gcc*'
Note, selecting 'gcompris-sound-fr' for regex 'gcc*'
Note, selecting 'gcc-4.8-multilib-arm-linux-gnueabihf' for regex 'gcc*'
Note, selecting 'libghc-gconf-prof-0.12.1.1-4d3b6' for regex 'gcc*'
Note, selecting 'eclipse-jdt-gcj' for regex 'gcc*'
Note, selecting 'gcj-powerpc-linux-gnu' for regex 'gcc*'
Note, selecting 'gcalcli' for regex 'gcc*'
Note, selecting 'gcompris-sound-gd' for regex 'gcc*'
Note, selecting 'ggcov' for regex 'gcc*'
Note, selecting 'gcj-4.4' for regex 'gcc*'
Note, selecting 'gcj-4.8' for regex 'gcc*'
Note, selecting 'libgcc1-ppc64el-cross' for regex 'gcc*'
Note, selecting 'libxerces2-java-gcj' for regex 'gcc*'
Note, selecting 'ant-optional-gcj' for regex 'gcc*'
Note, selecting 'gcj-4.4-base' for regex 'gcc*'
Note, selecting 'libgcr-dev' for regex 'gcc*'
Note, selecting 'gcompris-sound-he' for regex 'gcc*'
Note, selecting 'gcompris-sound-hi' for regex 'gcc*'
Note, selecting 'gcc-4.4-doc' for regex 'gcc*'
Note, selecting 'gir1.2-gck-1' for regex 'gcc*'
Note, selecting 'gcc-4.8-locales' for regex 'gcc*'
Note, selecting 'gcompris-sound-hu' for regex 'gcc*'
Note, selecting 'libsigc++-1.2-5c102' for regex 'gcc*'
Note, selecting 'gcc-mingw-w64-i686' for regex 'gcc*'
Note, selecting 'gcu-plugin' for regex 'gcc*'
Note, selecting 'gccgo-4.9-multilib' for regex 'gcc*'
Note, selecting 'gcc-4.7-multilib-arm-linux-gnueabi' for regex 'gcc*'
Note, selecting 'gcompris-sound-id' for regex 'gcc*'
Note, selecting 'gcj-4.8-jre-lib' for regex 'gcc*'
Note, selecting 'logcheck' for regex 'gcc*'
Note, selecting 'libgconf-bridge-dev' for regex 'gcc*'
Note, selecting 'gccgo-4.7-arm-linux-gnueabi' for regex 'gcc*'
Note, selecting 'gcompris-sound-it' for regex 'gcc*'
Note, selecting 'libgcr-3-dev' for regex 'gcc*'
Note, selecting 'gcin-chewing' for regex 'gcc*'
Note, selecting 'libgcrypt-dev' for regex 'gcc*'
Note, selecting 'gcc-powerpc-linux-gnu' for regex 'gcc*'
Note, selecting 'gcj-4.8-jre-headless' for regex 'gcc*'
Note, selecting 'gcin-data' for regex 'gcc*'
Note, selecting 'gcc-4.8-arm-linux-gnueabihf' for regex 'gcc*'
Note, selecting 'eclipse-platform-gcj' for regex 'gcc*'
Note, selecting 'gccgo-4.7-multilib' for regex 'gcc*'
Note, selecting 'gcolor2' for regex 'gcc*'
Note, selecting 'gcc-4.5-arm-linux-gnueabihf' for regex 'gcc*'
Note, selecting 'gccgo-4.8-aarch64-linux-gnu' for regex 'gcc*'
Note, selecting 'gconf' for regex 'gcc*'
Note, selecting 'gcc-powerpc64le-linux-gnu' for regex 'gcc*'
Note, selecting 'gcc-4.5-powerpc-linux-gnu' for regex 'gcc*'
Note, selecting 'gcc-4.7-arm-linux-gnueabi-base' for regex 'gcc*'
Note, selecting 'gcc-4.8-arm-linux-gnueabihf-base' for regex 'gcc*'
Note, selecting 'libgcal0' for regex 'gcc*'
Note, selecting 'gcj-powerpc64le-linux-gnu' for regex 'gcc*'
Note, selecting 'libgcr-base-3-1' for regex 'gcc*'
Note, selecting 'gccgo-4.8-doc' for regex 'gcc*'
Note, selecting 'libghc-uuagc-cabal-doc' for regex 'gcc*'
Note, selecting 'gceph' for regex 'gcc*'
Note, selecting 'libgconfmm-2.6-dev' for regex 'gcc*'
Note, selecting 'gcin-gtk3-immodule' for regex 'gcc*'
Note, selecting 'gcc-m68hc1x' for regex 'gcc*'
Note, selecting 'libgcc-4.8-dev-armhf-cross' for regex 'gcc*'
Note, selecting 'libghc-svgcairo-prof-0.12.1-becda' for regex 'gcc*'
Note, selecting 'gir1.0-gconf-2.0' for regex 'gcc*'
Note, selecting 'gcompris-sound-lt' for regex 'gcc*'
Note, selecting 'gcrystal' for regex 'gcc*'
Note, selecting 'libxml-commons-resolver1.1-java-gcj' for regex 'gcc*'
Note, selecting 'eclipse-pde-gcj' for regex 'gcc*'
Note, selecting 'libsfgcc1-dbg-armhf-cross' for regex 'gcc*'
Note, selecting 'libgconfmm-2.6-1c2' for regex 'gcc*'
Note, selecting 'libghc-uuagc-cabal-dev-1.0.4.0-b5c8b' for regex 'gcc*'
Note, selecting 'logcentral-tools' for regex 'gcc*'
Note, selecting 'gcc-4.6-locales' for regex 'gcc*'
Note, selecting 'gccgo-4.8-powerpc64le-linux-gnu' for regex 'gcc*'
Note, selecting 'gcompris-sound-mr' for regex 'gcc*'
Note, selecting 'libgcrypt11-doc' for regex 'gcc*'
Note, selecting 'gcl-doc' for regex 'gcc*'
Note, selecting 'gcc-4.8-multilib-powerpc-linux-gnu' for regex 'gcc*'
Note, selecting 'libgcrypt11' for regex 'gcc*'
Note, selecting 'gcompris-sound-nb' for regex 'gcc*'
Note, selecting 'libtagc0' for regex 'gcc*'
Note, selecting 'gcompris-sound-ast' for regex 'gcc*'
Note, selecting 'libghc-gconf-prof' for regex 'gcc*'
Note, selecting 'gcompris-sound-nl' for regex 'gcc*'
Note, selecting 'libgcr-3-common' for regex 'gcc*'
Note, selecting 'gcompris-sound-nn' for regex 'gcc*'
Note, selecting 'gcc-4.9-base' for regex 'gcc*'
Note, selecting 'libgcj11' for regex 'gcc*'
Note, selecting 'ecj-bootstrap-gcj' for regex 'gcc*'
Note, selecting 'librepository-java-gcj' for regex 'gcc*'
Note, selecting 'libgcj14' for regex 'gcc*'
Note, selecting 'libgcr-ui-3-1' for regex 'gcc*'
Note, selecting 'gccgo-go' for regex 'gcc*'
Note, selecting 'libsfgcc-4.7-dev-armhf-cross' for regex 'gcc*'
Note, selecting 'libgck-1-doc' for regex 'gcc*'
Package 'libjaxp1.3-java-gcj' is not installed, so not removed
Package 'libsaxon-java-gcj' is not installed, so not removed
Package 'libsigc++-2.0-dev' is not installed, so not removed
Package 'libsigc++-2.0-doc' is not installed, so not removed
Package 'libtagc0' is not installed, so not removed
Package 'libtagc0-dev' is not installed, so not removed
Package 'libtagcoll2-dev' is not installed, so not removed
Package 'libx32gcc-4.7-dev' is not installed, so not removed
Package 'libx32gcc-4.8-dev' is not installed, so not removed
Package 'libx32gcc1' is not installed, so not removed
Package 'libx32gcc1-dbg' is not installed, so not removed
Package 'libxerces2-java-gcj' is not installed, so not removed
Package 'libxml-commons-resolver1.1-java-gcj' is not installed, so not removed
Package 'logcheck' is not installed, so not removed
Package 'logcheck-database' is not installed, so not removed
Package 'pulseaudio-module-gconf' is not installed, so not removed
Package 'pulseaudio-module-gconf-dbg' is not installed, so not removed
Package 'colorgcc' is not installed, so not removed
Package 'compizconfig-backend-gconf' is not installed, so not removed
Package 'docbook-xsl-saxon-gcj' is not installed, so not removed
Package 'fcitx-libs-gclient' is not installed, so not removed
Package 'fcitx-table-bingchan' is not installed, so not removed
Package 'gcal' is not installed, so not removed
Package 'gcal-common' is not installed, so not removed
Package 'gcalcli' is not installed, so not removed
WARNING: The following essential packages will be removed.
This should NOT be done unless you know exactly what you are doing!
apt libapt-pkg4.12 (due to apt) libc6 (due to apt) libgcc1 (due to apt) libstdc++6 (due to apt) gnupg (due to apt) base-files base-passwd libdebconfclient0 (due to base-passwd) bash debianutils (due to
bash) dash (due to bash) libtinfo5 (due to bash) bsdutils coreutils libacl1 (due to coreutils) libattr1 (due to coreutils) libselinux1 (due to coreutils) dpkg (due to dash) diffutils libbz2-1.0 (due to
dpkg) liblzma5 (due to dpkg) zlib1g (due to dpkg) tar (due to dpkg) e2fsprogs e2fslibs (due to e2fsprogs) libblkid1 (due to e2fsprogs) libcomerr2 (due to e2fsprogs) libss2 (due to e2fsprogs) libuuid1
(due to e2fsprogs) util-linux (due to e2fsprogs) findutils grep install-info (due to grep) libpcre3 (due to grep) gzip hostname libc-bin libcap2 (due to libc-bin) login libpam0g (due to login)
libpam-runtime (due to login) libpam-modules (due to login) mount libmount1 (due to mount) ncurses-bin perl-base sed tzdata (due to util-linux) debconf (due to util-linux) sysv-rc (due to util-linux)
libncurses5 (due to util-linux) libslang2 (due to util-linux)
0 upgraded, 0 newly installed, 1636 to remove and 0 not upgraded.
After this operation, 3,222 MB disk space will be freed.
You are about to do something potentially harmful.
To continue type in the phrase 'Yes, do as I say!'
?] yes
Abort.
尝试使用以下命令修复损坏的包：
sudo apt-get update
sudo apt upgrade
dpkg --get-selections | grep hold
sudo apt-get autoremove
看看它是否有效
编辑：
您也可以尝试这些命令
sudo apt-get autoclean
apt-get clear cache
编辑#2：
使用文本编辑器编辑/etc/apt/sources.list文件，使其具有以下内容：
#------------------------------------------------------------------------------#
# OFFICIAL UBUNTU REPOS #
#------------------------------------------------------------------------------#
###### Ubuntu Main Repos
deb http://us.archive.ubuntu.com/ubuntu/ trusty main universe
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty main universe
###### Ubuntu Update Repos
deb http://us.archive.ubuntu.com/ubuntu/ trusty-security main universe
deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates main universe
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-security main universe
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates main universe
###### Ubuntu Partner Repo
deb-src http://archive.canonical.com/ubuntu trusty partner
###### Ubuntu Extras Repo
deb http://extras.ubuntu.com/ubuntu trusty main
deb-src http://extras.ubuntu.com/ubuntu trusty main
###### For LLVM
deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-3.9 main
deb-src http://apt.llvm.org/trusty/ llvm-toolchain-trusty-3.9 main
（注意：在修改sources.list之前，最好先创建它的备份）
之后，运行本文顶部的所有命令（sudo apt get update…sudo apt upgrade…等等）。然后运行命令下载llvm。希望它能起作用。您可以转到。此站点仅用于编程问题。在执行“apt get clear cache”时，似乎对我不起作用。获取错误消息：操作无效clear@AlphaOF其他命令在哪里成功？另外，你有没有添加过定制的ppa？我使用的是windows，我的Ubuntu是一个在VMWare上运行的虚拟机，我用得不多，我不记得我在VM上做了什么。我运行它的时间是4-5个月前。顺便说一句，命令“appicity”也不起作用。@AlphaOF，看看我的第二次编辑。（顺便说一下，命令是“aptitude”），啊哈，又失败了，我想这可能是我的gcc版本的问题，我将卸载它（版本4.8.4）并安装4.8.2.，首先，我需要卸载它，但我不知道如何卸载它，所以我需要找到“gcc”并删除它们，然后安装4.8.2。非常感谢你的帮助，非常感谢。