Deprecate old-style Makefiles in sphinx-quickstart (#11693)

CHANGES.rst

@@ -10,6 +10,10 @@ Incompatible changes
 Deprecated
 ----------
 
+* #11693: Support for old-style :file:`Makefile` and :file:`make.bat` output
+  in :program:`sphinx-quickstart`, and the associated options :option:`!-M`,
+  :option:`!-m`, :option:`!--no-use-make-mode`, and :option:`!--use-make-mode`.
+
 Features added
 --------------
 

doc/extdev/deprecated.rst

@@ -22,6 +22,15 @@ The following is a list of deprecated interfaces.
      - Removed
      - Alternatives
 
+   * - Old-style Makefiles in ``sphinx-quickstart``
+       and the :option:`!-M`, :option:`!-m`, :option:`!--no-use-make-mode`,
+       and :option:`!--use-make-mode` options
+     - 7.3
+     - 9.0
+     - Vendoring the `old style Makefile templates`__
+
+       __ https://github.com/sphinx-doc/sphinx/blob/v7.0.0/sphinx/templates/quickstart/Makefile_t
+
    * - ``sphinx.ext.autodoc.preserve_defaults.get_function_def()``
      - 7.2
      - 9.0

doc/man/sphinx-quickstart.rst

@@ -130,6 +130,9 @@ Options
    .. versionchanged:: 1.5
       make-mode is default.
 
+   .. versionchanged:: 7.3
+      Support for disabling the make-mode will be removed in Sphinx 8.
+
 .. option:: --makefile, --no-makefile
 
    Create (or not create) makefile.

sphinx/cmd/quickstart.py

@@ -396,10 +396,13 @@ def generate(
     else:
         write_file(masterfile, template.render('quickstart/root_doc.rst_t', d))
 
-    if d.get('make_mode') is True:
+    if d.get('make_mode'):
         makefile_template = 'quickstart/Makefile.new_t'
         batchfile_template = 'quickstart/make.bat.new_t'
     else:
+        # xref RemovedInSphinx80Warning
+        msg = "Support for '--no-use-make-mode' will be removed in Sphinx 8."
+        print(colorize('red', msg))
         makefile_template = 'quickstart/Makefile_t'
         batchfile_template = 'quickstart/make.bat_t'
 
@@ -432,6 +435,10 @@ def generate(
     print(__('where "builder" is one of the supported builders, '
              'e.g. html, latex or linkcheck.'))
     print()
+    if not d.get('make_mode'):
+        # xref RemovedInSphinx80Warning
+        msg = "Support for '--no-use-make-mode' will be removed in Sphinx 8."
+        print(colorize('red', msg))
 
 
 def valid_dir(d: dict) -> bool: