Doc: Add a warning that the -u option does not work on window [skip ci]

The relevant issue #1441 which will maybe provide a fix in the future is linked. #5211
pyinstaller · Oct 2, 2020 · 81d7e6a · 81d7e6a
1 parent 3a29e61
commit 81d7e6a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/doc/spec-files.rst b/doc/spec-files.rst
@@ -359,6 +359,8 @@ For example modify the spec file this way::
           exclude_binaries=...
           )
 
+.. Warning:: The ``u`` option does not work on Windows. See this `GitHub issue <https://github.com/pyinstaller/pyinstaller/issues/1441>`_ for more details.
+
 
 .. _spec file options for a mac os x bundle: