要安装YouCompleteMe ，vim须支持python。看是否支持，可以在vim中：version 查看， 如果python前有+号，就是支持，减号就是不支持。
如果不支持，需要以编译安装方式重新安装vim。
编译配置选项：
./configure --with-features=huge --enable-pythoninterp --enable-python3interp --enable-luainterp --enable-multibyte --enable-sniff --enable-fontset
安装vundle插件
git clone https://github.com/gmarik/vundle.git ~/.vim/bundle/vundle
在.vimrc中配置
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set
nocompatible " be iMproved, requiredfiletype off " required" set
the runtime path to include Vundle and initializeset
rtp+=~/.vim/bundle/vundle/call vundle#rc()" alternatively, pass a path where
Vundle should install plugins"let
path = ‘~/some/path/here‘"call vundle#rc(path)" let
Vundle manage Vundle, requiredPlugin ‘gmarik/vundle‘" The following are examples of different formats supported." Keep Plugin commands between here and filetype plugin indent on." scripts on
GitHub reposPlugin ‘tpope/vim-fugitive‘Plugin ‘Lokaltog/vim-easymotion‘Plugin ‘tpope/vim-rails.git‘" The sparkup vim script is
in a subdirectory of this
repo called vim." Pass the path to set
the runtimepath properly.Plugin ‘rstacruz/sparkup‘, {‘rtp‘: ‘vim/‘}" scripts from
http://vim-scripts.org/vim/scripts.htmlPlugin ‘L9‘Plugin ‘FuzzyFinder‘" scripts not on
GitHubPlugin ‘git://git.wincent.com/command-t.git‘" git repos on
your local machine (i.e. when working on
your own plugin)Plugin ‘file:///home/gmarik/path/to/plugin‘" ...filetype plugin indent on
" required<br><br><br><code class="shell plain">Bundle </code><code class="shell string">‘Valloric/YouCompleteMe‘
# 安装youcompleteme</code> |
保存退出，打开vim，输入 :BundleInstall 进行自动安装
进程如下，+号表示已经安装，>表示正在安装。
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. Plugin ‘gmarik/vundle‘
|~ + Plugin ‘tpope/vim-fugitive‘
|~ + Plugin ‘Lokaltog/vim-easymotion‘
|~ + Plugin ‘tpope/vim-rails.git‘
|~ + Plugin ‘rstacruz/sparkup‘
|~ + Plugin ‘L9‘
|~ + Plugin ‘FuzzyFinder‘
|~ > Plugin ‘git://git.wincent.com/command-|~ t.git‘ |~ Plugin ‘file:///home/gmarik/path/to/pl|~ ugin‘ |~ Plugin ‘Valloric/YouCompleteMe‘
|~ Helptags |
Done! With errors; press l to view
log
ycm_client_support.[so|pyd|dll] and ycm_core.[so|pyd|dll] not
detected; you need
to compile YCM before using it. Read the docs!
到 .vim/bundle/YouCompleteMe 下跑
./install.sh --clang-completer
参数是为了支持c/c++ 的补全。
安装完成后进行一些简单的配置就可以使用。
YouCompleteMe 的补全配置文件在/bundle/YouCompleteMe/cpp/ycm/.ycm_extra_conf.py，这是个隐藏文件。
默认会使用这个文件，也可以把这个文件copy到工程的根目录中作修改，打开工程文件时会优先使用当前目录下的配置文件。
如果找不到，会根据配置中的ycm_global_ycm_extra_conf 进行查找。
在.vimrc 中添加
let mapleader = "," " 这个leader就映射为逗号“，”
let g:ycm_global_ycm_extra_conf =
‘~/.vim/bundle/YouCompleteMe/cpp/ycm/.ycm_extra_conf.py‘
“配置默认的ycm_extra_conf.py
nnoremap <leader>jd :YcmCompleter
GoToDefinitionElseDeclaration<CR> “按,jd 会跳转到定义
let
g:ycm_confirm_extra_conf=0
let g:ycm_collect_identifiers_from_tag_files
= 1 "使用ctags生成的tags文件
vim安装YouCompleteMe 插件,布布扣,bubuko.com
原文：http://www.cnblogs.com/junnyfeng/p/3633697.html