Ubuntu16.04安装YouCompleteMe

sudo apt-get install build-essential cmake

sudo apt-get install python-dev python3-dev

sudo mkdir ~/.vim/bundle

cd ~/.vim/bundle/YouCompleteMesudo ./install.py

kent@ubuntu:~/.vim/bundle/YouCompleteMe$ ./install.py
File /home/kent/.vim/bundle/YouCompleteMe/third_party/ycmd/build.py does not exist; you probably forgot to run:
git submodule update --init --recursive

sudo git submodule update --init --recursive

sudo ./install.py

./install.py --clang-completer

set runtimepath+=~/.vim/bundle/YouCompleteMe
let g:ycm_collect_identifiers_from_tags_files = " 开启 YCM 基于标签引擎
let g:ycm_collect_identifiers_from_comments_and_strings = " 注释与字符串中的内容也用于补全
let g:syntastic_ignore_files=[".*\.py$"]
let g:ycm_seed_identifiers_with_syntax = " 语法关键字补全
let g:ycm_complete_in_comments =
let g:ycm_confirm_extra_conf =
let g:ycm_key_list_select_completion = ['<c-n>', '<Down>'] " 映射按键, 没有这个会拦截掉tab, 导致其他插件的tab不能用.
let g:ycm_key_list_previous_completion = ['<c-p>', '<Up>']
let g:ycm_complete_in_comments = " 在注释输入中也能补全
let g:ycm_complete_in_strings = " 在字符串输入中也能补全
let g:ycm_collect_identifiers_from_comments_and_strings = " 注释和字符串中的文字也会被收入补全
let g:ycm_global_ycm_extra_conf='~/.vim/bundle/YouCompleteMe/third_party/ycmd/cpp/ycm/.ycm_extra_conf.py'
let g:ycm_show_diagnostics_ui = " 禁用语法检查
inoremap <expr> <CR> pumvisible() ? "\<C-y>" : "\<CR>" | " 回车即选中当前项
nnoremap <c-j> :YcmCompleter GoToDefinitionElseDeclaration<CR>| " 跳转到定义处
"let g:ycm_min_num_of_chars_for_completion=2 " 从第2个键入字符就开始罗列匹配项