Merge r68487 from svn+ssh://pythondev@svn.python.org/python/trunk:

- Issue #4861: ctypes.util.find_library(): Robustify. Fix library detection on
  biarch systems. Try to rely on ldconfig only, without using objdump and gcc.
diff --git a/Misc/NEWS b/Misc/NEWS
index d29fcf8..2a3ae12 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -236,6 +236,9 @@
   support unusual filenames (such as those containing semi-colons) in
   Content-Disposition headers.
 
+- Issue #4861: ctypes.util.find_library(): Robustify. Fix library detection on
+  biarch systems. Try to rely on ldconfig only, without using objdump and gcc.
+
 Tools/Demos
 -----------