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-rw-r--r--mesonbuild/mesonmain.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/mesonbuild/mesonmain.py b/mesonbuild/mesonmain.py
index 4fecc58..70f4027 100644
--- a/mesonbuild/mesonmain.py
+++ b/mesonbuild/mesonmain.py
@@ -64,8 +64,8 @@ add_builtin_argument('errorlogs', action='store_false')
parser.add_argument('--cross-file', default=None,
help='File describing cross compilation environment.')
-parser.add_argument('-D', action='append', dest='projectoptions', default=[],
- help='Set project options.')
+parser.add_argument('-D', action='append', dest='projectoptions', default=[], metavar="option",
+ help='Set the value of an option, can be used several times to set multiple options.')
parser.add_argument('-v', '--version', action='version',
version=coredata.version)
# See the mesonlib.WrapMode enum for documentation