Issue Prelude

Please complete these steps and check these boxes (by putting an x inside
the brackets) before filing your issue:

• I have read and understood YCM's [CONTRIBUTING][cont] document.
• I have read and understood YCM's [CODE_OF_CONDUCT][code] document.
• I have read and understood YCM's [README][readme], especially the
  [Frequently Asked Questions][faq] section.
• I have searched YCM's issue tracker to find issues similar to the one I'm
  about to report and couldn't find an answer to my problem. ([Example Google
  search.][search])
• If filing a bug report, I have included the output of vim --version.
• [x ] If filing a bug report, I have included the output of :YcmDebugInfo.
• [x ] If filing a bug report, I have attached the contents of the logfiles using
  the :YcmToggleLogs command.
• If filing a bug report, I have included which OS (including specific OS
  version) I am using.
• If filing a bug report, I have included a minimal test case that reproduces
  my issue, including what I expected to happen and what actually happened.
• If filing a installation failure report, I have included the entire output
  of install.py (or cmake/make/ninja) including its invocation
• I understand this is an open-source project staffed by volunteers and
  that any help I receive is a selfless, heartfelt gift of their free time. I
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• I understand my issue may be closed if it becomes obvious I didn't
  actually perform all of these steps.

Thank you for adhering to this process! It ensures your issue is resolved
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Issue Details

Provide a clear description of the problem, including the following key
questions:

• What did you do?

python install.py --clang-completer

CMake Error at ycm/CMakeLists.txt:336 (message):
Using Clang completer, but no libclang found. Try setting
EXTERNAL_LIBCLANG_PATH or revise your configuration

• What did you expect to happen?

• What actually happened?
  

Diagnostic data

Output of vim --version

VIM - Vi IMproved 8.0 (2016 Sep 12, compiled Sep 12 2016 18:25:27)
MS-Windows 32 位图形界面版本 带 OLE 支持
包含补丁: 1-2
编译者 mool@tororo
巨型版本 带图形界面。 可使用(+)与不可使用(-)的功能:
+acl +eval +mouse +syntax
+arabic +ex_extra +mouseshape +tag_binary
+autocmd +extra_search +multi_byte_ime/dyn +tag_old_static
+balloon_eval +farsi +multi_lang -tag_any_white
+browse +file_in_path -mzscheme +tcl/dyn
++builtin_terms +find_in_path +netbeans_intg -termguicolors
+byte_offset +float +num64 -tgetent
+channel +folding +ole -termresponse
+cindent -footer +packages +textobjects
+clientserver +gettext/dyn +path_extra +timers
+clipboard -hangul_input +perl/dyn +title
+cmdline_compl +iconv/dyn +persistent_undo +toolbar
+cmdline_hist +insert_expand -postscript +user_commands
+cmdline_info +job +printer +vertsplit
+comments +jumplist +profile +virtualedit
+conceal +keymap +python/dyn +visual
+cryptv +lambda +python3/dyn +visualextra
+cscope +langmap +quickfix +viminfo
+cursorbind +libcall +reltime +vreplace
+cursorshape +linebreak +rightleft +wildignore
+dialog_con_gui +lispindent +ruby/dyn +wildmenu
+diff +listcmds +scrollbind +windows
+digraphs +localmap +signs +writebackup
+directx -lua +smartindent -xfontset
-dnd +menu +startuptime -xim
-ebcdic +mksession +statusline +xpm_w32
+emacs_tags +modify_fname -sun_workshop -xterm_save
系统 vimrc 文件: "$VIM\vimrc"
用户 vimrc 文件: "$HOME_vimrc"
第二用户 vimrc 文件: "$HOME\vimfiles\vimrc"
第三用户 vimrc 文件: "$VIM_vimrc"
用户 exrc 文件: "$HOME_exrc"
第二用户 exrc 文件: "$VIM_exrc"
系统 gvimrc 文件: "$VIM\gvimrc"
用户 gvimrc 文件: "$HOME_gvimrc"
第二用户 gvimrc 文件: "$HOME\vimfiles\gvimrc"
第三用户 gvimrc 文件: "$VIM_gvimrc"
defaults file: "$VIMRUNTIME\defaults.vim"
系统菜单文件: "$VIMRUNTIME\menu.vim"
编译方式: cl -c /W3 /nologo -I. -Iproto -DHAVE_PATHDEF -DWIN32 -DFEAT_CSCOPE
-DFEAT_NETBEANS_INTG -DFEAT_JOB_CHANNEL -DFEAT_XPM_W32 -DWINVER=0x0501
-D_WIN32_WINNT=0x0501 /Fo.\ObjGXOLYHTRi386/ /Ox /GL -DNDEBUG /Zl /MT -DFEAT_OLE
-DFEAT_MBYTE_IME -DDYNAMIC_IME -DFEAT_GUI_W32 -DFEAT_DIRECTX -DDYNAMIC_DIRECTX
-DDYNAMIC_ICONV -DDYNAMIC_GETTEXT -DFEAT_TCL -DDYNAMIC_TCL -DDYNAMIC_TCL_DLL="tcl86
.dll" -DDYNAMIC_TCL_VER="8.6" -DFEAT_PYTHON -DDYNAMIC_PYTHON -DDYNAMIC_PYTHON_DLL
="python27.dll" -DFEAT_PYTHON3 -DDYNAMIC_PYTHON3 -DDYNAMIC_PYTHON3_DLL="python35.dl
l" -DFEAT_PERL -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DDYNAMIC_PERL
-DDYNAMIC_PERL_DLL="perl524.dll" -DFEAT_RUBY -DDYNAMIC_RUBY -DDYNAMIC_RUBY_VER=22
-DDYNAMIC_RUBY_DLL="msvcrt-ruby220.dll" -DFEAT_HUGE /Fd.\ObjGXOLYHTRi386/ /Zi
链接方式: link /RELEASE /nologo /subsystem:windows /LTCG:STATUS oldnames.lib kernel32.lib
advapi32.lib shell32.lib gdi32.lib comdlg32.lib ole32.lib uuid.lib /machine:i386 gdi32.lib version.lib
winspool.lib comctl32.lib advapi32.lib shell32.lib /machine:i386 /nodefaultlib libcmt.lib oleaut32.lib
user32.lib /nodefaultlib:python27.lib /nodefaultlib:python35.lib "E:\tcl\lib\tclstub86.lib" WSock32.lib
xpm\x86\lib\libXpm.lib /PDB:gvim.pdb -debug

Output of YcmDebugInfo

Contents of YCM, ycmd and completion engine logfiles

OS version, distribution, etc.

Windows: Win10 1073 (Microsoft Windows [版本 10.0.15063])
7zip: 16.02

Output of build/install commands

Searching Python 3.5 libraries...
Found Python library: C:\Users\lks\AppData\Local\Programs\Python\Python35-32\libs\python35.lib
Found Python headers folder: C:\Users\lks\AppData\Local\Programs\Python\Python35-32\include
-- The C compiler identification is MSVC 19.10.25017.0
-- The CXX compiler identification is MSVC 19.10.25017.0
-- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.10.25017/bin/HostX86/x86/cl.exe
-- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.10.25017/bin/HostX86/x86/cl.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.10.25017/bin/HostX86/x86/cl.exe
-- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.10.25017/bin/HostX86/x86/cl.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Found PythonLibs: C:/Users/lks/AppData/Local/Programs/Python/Python35-32/libs/python35.lib (found suitable version "3.5.2", minimum required is "3.3")
Using Clang archive: C:/Users/lks/vimfiles/bundle/YouCompleteMe/third_party/ycmd/cpp/../clang_archives/LLVM-4.0.1-win32.exe
Using libclang to provide semantic completion for C/C++/ObjC
CMake Error at ycm/CMakeLists.txt:336 (message):
Using Clang completer, but no libclang found. Try setting
EXTERNAL_LIBCLANG_PATH or revise your configuration

-- Configuring incomplete, errors occurred!
See also "C:/Users/lks/AppData/Local/Temp/ycm_build_e3bejygq/CMakeFiles/CMakeOutput.log".
ERROR: the build failed.

NOTE: it is highly unlikely that this is a bug but rather
that this is a problem with the configuration of your system
or a missing dependency. Please carefully read CONTRIBUTING.md
and if you're sure that it is a bug, please raise an issue on the
issue tracker, including the entire output of this script
and the invocation line used to run it.