From a83d21770312e218719b940bc76dc251abf6c150 Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Wed, 15 Jul 2020 11:46:03 -0700
Subject: [PATCH] onnxruntime: enable lto

---
 pkgs/development/libraries/onnxruntime/default.nix | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/onnxruntime/default.nix b/pkgs/development/libraries/onnxruntime/default.nix
index 1794d55daaaf..06d0d194cd59 100644
--- a/pkgs/development/libraries/onnxruntime/default.nix
+++ b/pkgs/development/libraries/onnxruntime/default.nix
@@ -41,8 +41,7 @@ stdenv.mkDerivation rec {
   cmakeFlags = [
     "-Donnxruntime_USE_OPENMP=ON"
     "-Donnxruntime_BUILD_SHARED_LIB=ON"
-    # flip back to ON next release
-    "-Donnxruntime_ENABLE_LTO=OFF" # https://github.com/microsoft/onnxruntime/issues/2828
+    "-Donnxruntime_ENABLE_LTO=ON"
   ];
 
   # ContribOpTest.StringNormalizerTest sets locale to en_US.UTF-8"