diff --git a/.ycm_extra_conf.py b/.ycm_extra_conf.py
new file mode 100644
index 00000000000..06a23446612
--- /dev/null
+++ b/.ycm_extra_conf.py
@@ -0,0 +1,81 @@
+import os
+import ycm_core
+from clang_helpers import PrepareClangFlags
+
+compilation_database_folder = ''
+
+flags = [
+'-include',
+'./config.h',
+'-I',
+'/usr/include/dbus-1.0',
+'-I',
+'./src/shared',
+'-Wall',
+'-Wextra',
+'-Werror',
+'-Wno-long-long',
+'-Wno-variadic-macros',
+'-fexceptions',
+'-DNDEBUG',
+'-DUSE_CLANG_COMPLETER',
+'-D_GNU_SOURCE',
+'-std=c99',
+]
+
+if compilation_database_folder:
+  database = ycm_core.CompilationDatabase(compilation_database_folder)
+else:
+  database = None
+
+
+def DirectoryOfThisScript():
+  return os.path.dirname(os.path.abspath(__file__))
+
+
+def MakeRelativePathsInFlagsAbsolute(flags, working_directory):
+  if not working_directory:
+    return flags
+  new_flags = []
+  make_next_absolute = False
+  path_flags = [ '-isystem', '-I', '-iquote', '--sysroot=' ]
+  for flag in flags:
+    new_flag = flag
+
+    if make_next_absolute:
+      make_next_absolute = False
+      if not flag.startswith('/'):
+        new_flag = os.path.join(working_directory, flag)
+
+    for path_flag in path_flags:
+      if flag == path_flag:
+        make_next_absolute = True
+        break
+
+      if flag.startswith(path_flag):
+        path = flag[ len(path_flag): ]
+        new_flag = path_flag + os.path.join(working_directory, path)
+        break
+
+    if new_flag:
+      new_flags.append(new_flag)
+  return new_flags
+
+
+def FlagsForFile(filename):
+  if database:
+    compilation_info = database.GetCompilationInfoForFile(filename)
+    final_flags = PrepareClangFlags(
+        MakeRelativePathsInFlagsAbsolute(
+            compilation_info.compiler_flags_,
+            compilation_info.compiler_working_dir_),
+        filename)
+
+  else:
+    relative_to = DirectoryOfThisScript()
+    final_flags = MakeRelativePathsInFlagsAbsolute(flags, relative_to)
+
+  return {
+    'flags': final_flags,
+    'do_cache': True
+  }