Set wrap_mode to None by default to know if user passed a value

mesonbuild/coredata.py

@@ -19,6 +19,7 @@ from pathlib import PurePath
 from collections import OrderedDict
 from .mesonlib import MesonException
 from .mesonlib import default_libdir, default_libexecdir, default_prefix
+from .wrap import WrapMode
 import ast
 import argparse
 
@@ -222,7 +223,7 @@ class CoreData:
         self.base_options = {}
         self.external_preprocess_args = {} # CPPFLAGS only
         self.cross_file = self.__load_cross_file(options.cross_file)
-        self.wrap_mode = options.wrap_mode
+        self.wrap_mode = options.wrap_mode if options.wrap_mode is not None else WrapMode.default
         self.compilers = OrderedDict()
         self.cross_compilers = OrderedDict()
         self.deps = OrderedDict()

mesonbuild/mesonmain.py

@@ -36,7 +36,7 @@ def create_parser():
     p.add_argument('-v', '--version', action='version',
                    version=coredata.version)
     # See the mesonlib.WrapMode enum for documentation
-    p.add_argument('--wrap-mode', default=WrapMode.default,
+    p.add_argument('--wrap-mode', default=None,
                    type=wrapmodetype, choices=WrapMode,
                    help='Special wrap mode to use')
     p.add_argument('--profile-self', action='store_true', dest='profile',