Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 37 insertions, 0 deletions

diff --git a/meson/mesonbuild/mesonlib/platform.py b/meson/mesonbuild/mesonlib/platform.py
new file mode 100644
index 000000000..cdd42b102
--- /dev/null
+++ b/meson/mesonbuild/mesonlib/platform.py
@@ -0,0 +1,37 @@
+# SPDX-license-identifier: Apache-2.0
+# Copyright 2012-2021 The Meson development team
+# Copyright © 2021 Intel Corporation
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""base classes providing no-op functionality.."""
+
+import os
+import typing as T
+
+from .. import mlog
+
+__all__ = ['BuildDirLock']
+
+# This needs to be inheritted by the specific implementations to make type
+# checking happy
+class BuildDirLock:
+
+    def __init__(self, builddir: str) -> None:
+        self.lockfilename = os.path.join(builddir, 'meson-private/meson.lock')
+
+    def __enter__(self) -> None:
+        mlog.debug('Calling ther no-op version of BuildDirLock')
+
+    def __exit__(self, *args: T.Any) -> None:
+        pass