[PATCH] docs: Only load the translations extension for HTML output

[Jonathan Corbet <corbet@xxxxxxx>]

This extension brings no value for other output formats and can create
problems with the pdfdocs build.

Signed-off-by: Jonathan Corbet <corbet@xxxxxxx>
---
 Documentation/conf.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/conf.py b/Documentation/conf.py
index 5830b01c5642..6071d3e24375 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -55,7 +55,13 @@ needs_sphinx = '2.4.4'
 extensions = ['kerneldoc', 'rstFlatTable', 'kernel_include',
               'kfigure', 'sphinx.ext.ifconfig', 'automarkup',
               'maintainers_include', 'sphinx.ext.autosectionlabel',
-              'kernel_abi', 'kernel_feat', 'translations']
+              'kernel_abi', 'kernel_feat']
+#
+# Only enable the translation extension if we are building the HTML docs;
+# it brings no value otherwise and can cause problems.
+#
+if 'html' in sys.argv:
+    extensions.append('translations')
 
 if major >= 3:
     if (major > 3) or (minor > 0 or patch >= 2):
-- 
2.43.0