diff --git a/libcxx/utils/merge_archives.py b/libcxx/utils/merge_archives.py
--- a/libcxx/utils/merge_archives.py
+++ b/libcxx/utils/merge_archives.py
@@ -8,6 +8,7 @@
 #===----------------------------------------------------------------------===##
 
 from argparse import ArgumentParser
+from ctypes.util import find_library
 import distutils.spawn
 import tempfile
 import os