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Auto merge of #3269 - micbou:undefined-symbol-fixit, r=micbou

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[READY] Update FAQ entry about outdated libclang

The FAQ entry about libclang being too old is not relevant anymore. Replace it with the `undefined symbol: clang_getCompletionFixIt` error that occurs when ycmd loads a libclang older than 7.0.0.

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zzbot 2018-12-11 12:48:40 -08:00 committed by GitHub
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20
README.md
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@ -3029,21 +3029,13 @@ version of libpython on your machine (for instance,
`-DPYTHON_LIBRARY=/usr/lib/libpython2.7.so`). Naturally, this means you'll have
to go through the full installation guide by hand.
### I get `Vim: Caught deadly signal SEGV` on Vim startup
This can happen on some Linux distros. If you encounter this situation, run Vim
under `gdb`. You'll probably see something like this in the output when Vim
crashes:
```
undefined symbol: clang_CompileCommands_dispose
```
This means that Vim is trying to load a `libclang.so` that is too old. You need
at least a 3.9 libclang. Just go through the installation guide and make sure
you are using a correct `libclang.so`. We recommend downloading prebuilt
binaries from llvm.org.
### I see `undefined symbol: clang_getCompletionFixIt` in the server logs.
This means that the server is trying to load a version of libclang that is too
old. You need at least libclang 7.0.0. We recommend running the `install.py`
script without `--system-libclang` or downloading the [latest prebuilt binaries
from llvm.org][clang-download] when going through the [full installation
guide](#full-installation-guide).
### I get `Fatal Python error: PyThreadState_Get: no current thread` on startup

20
doc/youcompleteme.txt
View File

@ -155,7 +155,7 @@ Contents ~
11. I have a Homebrew Python and/or MacVim; can't compile/SIGABRT when starting |youcompleteme-i-have-homebrew-python-and-or-macvim-cant-compile-sigabrt-when-starting|
12. I get 'LONG_BIT definition appears wrong for platform' when compiling |youcompleteme-i-get-long_bit-definition-appears-wrong-for-platform-when-compiling|
13. I get 'libpython2.7.a [...] relocation R_X86_64_32' when compiling |youcompleteme-i-get-libpython2.7.a-...-relocation-r_x86_64_32-when-compiling|
14. I get 'Vim: Caught deadly signal SEGV' on Vim startup |youcompleteme-i-get-vim-caught-deadly-signal-segv-on-vim-startup|
14. I see 'undefined symbol: clang_getCompletionFixIt' in the server logs. |youcompleteme-i-see-undefined-symbol-clang_getcompletionfixit-in-server-logs.|
15. I get 'Fatal Python error: PyThreadState_Get: no current thread' on startup |youcompleteme-i-get-fatal-python-error-pythreadstate_get-no-current-thread-on-startup|
16. 'install.py' says python must be compiled with '--enable-framework'. Wat? |youcompleteme-install.py-says-python-must-be-compiled-with-enable-framework-.-wat|
17. YCM does not read identifiers from my tags files |youcompleteme-ycm-does-not-read-identifiers-from-my-tags-files|
@ -3257,19 +3257,13 @@ version of libpython on your machine (for instance,
to go through the full installation guide by hand.
-------------------------------------------------------------------------------
*youcompleteme-i-get-vim-caught-deadly-signal-segv-on-vim-startup*
I get 'Vim: Caught deadly signal SEGV' on Vim startup ~
*youcompleteme-i-see-undefined-symbol-clang_getcompletionfixit-in-server-logs.*
I see 'undefined symbol: clang_getCompletionFixIt' in the server logs. ~
This can happen on some Linux distros. If you encounter this situation, run Vim
under 'gdb'. You'll probably see something like this in the output when Vim
crashes:
>
undefined symbol: clang_CompileCommands_dispose
<
This means that Vim is trying to load a 'libclang.so' that is too old. You need
at least a 3.9 libclang. Just go through the installation guide and make sure
you are using a correct 'libclang.so'. We recommend downloading prebuilt
binaries from llvm.org.
This means that the server is trying to load a version of libclang that is too
old. You need at least libclang 7.0.0. We recommend running the 'install.py'
script without '--system-libclang' or downloading the latest prebuilt binaries
from llvm.org [40] when going through the full installation guide.
-------------------------------------------------------------------------------
*youcompleteme-i-get-fatal-python-error-pythreadstate_get-no-current-thread-on-startup*