Fix --warnlevel being renamed to --warning-level in latest release

1 files changed, 5 insertions, 4 deletions

diff --git a/mesonbuild/mesonmain.py b/mesonbuild/mesonmain.py
index cae59b4..c4a4d2a 100644
--- a/mesonbuild/mesonmain.py
+++ b/mesonbuild/mesonmain.py
@@ -57,11 +57,12 @@ def filter_builtin_options(args, original_args):
     if meson_opts:
         for arg in meson_opts:
             value = arguments[arg]
-            if any([a.startswith('--{}'.format(arg)) for a in original_args]):
+            cmdline_name = coredata.get_builtin_option_cmdline_name(arg)
+            if any([a.startswith(cmdline_name) for a in original_args]):
                 raise MesonException(
-                    'Argument "{0}" passed as both --{0} and -D{0}, but only '
-                    'one is allowed'.format(arg))
-            setattr(args, coredata.get_builtin_option_destination(arg), value)
+                    'Argument "{0}" passed as both {1} and -D{0}, but only '
+                    'one is allowed'.format(arg, cmdline_name))
+            setattr(args, arg, value)
 
             # Remove the builtin option from the project args values
             args.projectoptions.remove('{}={}'.format(arg, value))