doc: Fix sphinx setup

sphinx warns about cyclic refernce. Do not include the index into the
index file.

Also add the build dir and index.rst to the ignore list. This avoids
another type of warnings.

Signed-off-by: Daniel Wagner <[email protected]>

Author: dwsuse

doc/conf.py

@@ -40,7 +40,7 @@
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This pattern also affects html_static_path and html_extra_path.
-exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+exclude_patterns = ['html', 'man', 'index.rst', 'Thumbs.db', '.DS_Store']
 
 
 # -- Options for HTML output -------------------------------------------------

doc/index.rst

@@ -10,7 +10,6 @@ Welcome to libnvme's documentation!
    :maxdepth: 2
    :caption: Contents:
 
-   index
    libnvme