Add disclaimer to README to favor C11/C++14 atomics over libatomic_ops use

* README.md: Add top-level disclaimer that it is better to use
C11 or C++14 atomic primitives instead of this library for the
newly-developed code.

diff --git a/README.md b/README.md
index 9d2b53db934c5086beab43d69d6c8046348f4f86..03bd887cb2654b75251112654113eb979f9f3ead 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # The atomic_ops library (libatomic_ops)
 
+IN NEW CODE, PLEASE USE C11 OR C++14 STANDARD ATOMICS INSTEAD OF THIS PACKAGE.
+
 This is version 7.5.0 of libatomic_ops.
 
 You might find a more recent version