docs: Note that sphinx 1.7 will be required soon

The time has come to drop support for some truly ancient versions of
sphinx; put in a warning now.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Jonathan Corbet 2020-11-30 15:41:56 -07:00
parent ab9e1ac49b
commit 13fef8ef9f

View file

@ -112,6 +112,9 @@ if major >= 3:
else:
extensions.append('cdomain')
if major == 1 and minor < 7:
sys.stderr.write('WARNING: Sphinx 1.7 or greater will be required as of '
'the 5.12 release\n')
# Ensure that autosectionlabel will produce unique names
autosectionlabel_prefix_document = True