Refactor --global-option declaration in wheel command

src/pip/_internal/cli/cmdoptions.py

@@ -840,7 +840,7 @@ global_options = partial(
     action="append",
     metavar="options",
     help="Extra global options to be supplied to the setup.py "
-    "call before the install command.",
+    "call before the install or bdist_wheel command.",
 )  # type: Callable[..., Option]
 
 no_clean = partial(

src/pip/_internal/commands/wheel.py

@@ -75,13 +75,7 @@ class WheelCommand(RequirementCommand):
         )
 
         self.cmd_opts.add_option(cmdoptions.build_options())
-        self.cmd_opts.add_option(
-            '--global-option',
-            dest='global_options',
-            action='append',
-            metavar='options',
-            help="Extra global options to be supplied to the setup.py "
-            "call before the 'bdist_wheel' command.")
+        self.cmd_opts.add_option(cmdoptions.global_options())
 
         self.cmd_opts.add_option(
             '--pre',