1 files changed, 14 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/lldbplatformutil.py b/lldb/packages/Python/lldbsuite/test/lldbplatformutil.py
index 89ce1d468bd..4f45643241e 100644
--- a/lldb/packages/Python/lldbsuite/test/lldbplatformutil.py
+++ b/lldb/packages/Python/lldbsuite/test/lldbplatformutil.py
@@ -8,6 +8,7 @@ import itertools
 import re
 import subprocess
 import sys
+import os
 
 # Third-party modules
 import six
@@ -140,6 +141,19 @@ def platformIsDarwin():
     return getPlatform() in getDarwinOSTriples()
 
 
+def findMainThreadCheckerDylib():
+    if not platformIsDarwin():
+        return ""
+
+    with os.popen('xcode-select -p') as output:
+        xcode_developer_path = output.read().strip()
+        mtc_dylib_path = '%s/usr/lib/libMainThreadChecker.dylib' % xcode_developer_path
+        if os.path.isfile(mtc_dylib_path):
+            return mtc_dylib_path
+
+    return ""
+
+
 class _PlatformContext(object):
     """Value object class which contains platform-specific options."""