1 files changed, 3 insertions, 0 deletions
diff --git a/configure.py b/configure.py
index 48ccae9..8f4ec24 100755
--- a/configure.py
+++ b/configure.py
@@ -46,6 +46,9 @@ parser.add_option('--with-python', metavar='EXE',
                   help='use EXE as the Python interpreter',
                   default=os.path.basename(sys.executable))
 (options, args) = parser.parse_args()
+if args:
+    print 'ERROR: extra unparsed command-line arguments:', args
+    sys.exit(1)
 
 platform = options.platform
 if platform is None: