build: add option to enable LTO

[dpdk.git] / doc / guides / rel_notes / release_19_11.rst

diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst
index fe11b4b..12ab110 100644 (file)
--- a/doc/guides/rel_notes/release_19_11.rst
+++ b/doc/guides/rel_notes/release_19_11.rst
@@ -248,6 +248,15 @@ New Features
   traditional l2fwd example. It demonstrates usage of poll and event mode IO
   mechanism under a single application.
 
+* **Added build support for Link Time Optimization.**
+
+  LTO is an optimization technique used by the compiler to perform whole
+  program analysis and optimization at link time.  In order to do that
+  compilers store their internal representation of the source code that
+  the linker uses at the final stage of compilation process.
+
+  See :doc:`../prog_guide/lto` for more information:
+
 
 Removed Items
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