From ea58955dda6452307ce43a5beef0a466b49f1bef Mon Sep 17 00:00:00 2001
From: Nikita Shulga <nshulga@meta.com>
Date: Sat, 19 Nov 2022 01:13:08 +0000
Subject: [PATCH] Move bazel to c++17 (#89297)

Splitting out various smaller pieces from https://github.com/pytorch/pytorch/pull/85969
Pull Request resolved: https://github.com/pytorch/pytorch/pull/89297
Approved by: https://github.com/huydhn
---
 .bazelrc               | 2 +-
 third_party/gloo.BUILD | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/.bazelrc b/.bazelrc
index ce8406b58aa..f8ff2215f2d 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -1,4 +1,4 @@
-build --cxxopt=--std=c++14
+build --cxxopt=--std=c++17
 build --copt=-I.
 # Bazel does not support including its cc_library targets as system
 # headers. We work around this for generated code
diff --git a/third_party/gloo.BUILD b/third_party/gloo.BUILD
index 3f623e54e6a..e9deaa13fc6 100644
--- a/third_party/gloo.BUILD
+++ b/third_party/gloo.BUILD
@@ -75,8 +75,7 @@ cc_library(
         ]
     ) + if_cuda(glob(["gloo/cuda*.cc"])),
     copts = [
-        "-std=gnu++11",
-        "-std=c++11",
+        "-std=c++17",
     ],
     visibility = ["//visibility:public"],
     deps = [":gloo_headers"] + if_cuda(