diff --git a/tools/warn/make_warn_patterns.py b/tools/warn/make_warn_patterns.py
new file mode 100644
index 0000000..ac3c508
--- /dev/null
+++ b/tools/warn/make_warn_patterns.py
@@ -0,0 +1,53 @@
+#
+# Copyright (C) 2019 The Android Open Source Project
+#
+# 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.
+
+"""Warning patterns for build make tools."""
+
+from severity import Severity
+
+patterns = [
+    # pylint:disable=line-too-long,g-inconsistent-quotes
+    {'category': 'make', 'severity': Severity.MEDIUM,
+     'description': 'make: overriding commands/ignoring old commands',
+     'patterns': [r".*: warning: overriding commands for target .+",
+                  r".*: warning: ignoring old commands for target .+"]},
+    {'category': 'make', 'severity': Severity.HIGH,
+     'description': 'make: LOCAL_CLANG is false',
+     'patterns': [r".*: warning: LOCAL_CLANG is set to false"]},
+    {'category': 'make', 'severity': Severity.HIGH,
+     'description': 'SDK App using platform shared library',
+     'patterns': [r".*: warning: .+ \(.*app:sdk.*\) should not link to .+ \(native:platform\)"]},
+    {'category': 'make', 'severity': Severity.HIGH,
+     'description': 'System module linking to a vendor module',
+     'patterns': [r".*: warning: .+ \(.+\) should not link to .+ \(partition:.+\)"]},
+    {'category': 'make', 'severity': Severity.MEDIUM,
+     'description': 'Invalid SDK/NDK linking',
+     'patterns': [r".*: warning: .+ \(.+\) should not link to .+ \(.+\)"]},
+    {'category': 'make', 'severity': Severity.MEDIUM,
+     'description': 'Duplicate header copy',
+     'patterns': [r".*: warning: Duplicate header copy: .+"]},
+    {'category': 'FindEmulator', 'severity': Severity.HARMLESS,
+     'description': 'FindEmulator: No such file or directory',
+     'patterns': [r".*: warning: FindEmulator: .* No such file or directory"]},
+    {'category': 'make', 'severity': Severity.HARMLESS,
+     'description': 'make: unknown installed file',
+     'patterns': [r".*: warning: .*_tests: Unknown installed file for module"]},
+    {'category': 'make', 'severity': Severity.HARMLESS,
+     'description': 'unusual tags debug eng',
+     'patterns': [r".*: warning: .*: unusual tags debug eng"]},
+    {'category': 'make', 'severity': Severity.MEDIUM,
+     'description': 'make: please convert to soong',
+     'patterns': [r".*: warning: .* has been deprecated. Please convert to Soong."]},
+]