vim: update default ycm_extra_conf flags

Use some sane defaults.
 * c++14
 * /usr/include
 * /usr/local/include
 * /usr/include/qt

diff --git a/vim/ycm_extra_conf.py b/vim/ycm_extra_conf.py
index 0e3b5da74524f743d1fb83162c44a49bf06db33d..f0e3679a8182bb48a2189e894b5bbc1471089497 100644 (file)
--- a/vim/ycm_extra_conf.py
+++ b/vim/ycm_extra_conf.py
@@ -15,9 +15,12 @@ def FlagsForFile(filename, **kwargs):
         # '-Wno-variadic-macros',
         # '-fexceptions',
         # '-DNDEBUG',
-        '-std=c++11',
+        '-std=c++14',
         '-stdlib=libstdc++',
         '-x', 'c++',
+        '-isystem', '/usr/include',
+        '-isystem', '/usr/local/include',
+        '-isystem', '/usr/include/qt',
         '-I', '.',
         '-I', './include',
     ]