From 60409759308322e94f79df0f37f2f194e8fc212d Mon Sep 17 00:00:00 2001
From: Vijay Pai <vpai@google.com>
Date: Fri, 10 Nov 2017 13:44:26 -0800
Subject: [PATCH] In bazel builds, provide an option to select non-uses of
 c_ares

---
 BUILD                       | 5 +++++
 bazel/grpc_build_system.bzl | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/BUILD b/BUILD
index bcb75af0321..6a514496f62 100644
--- a/BUILD
+++ b/BUILD
@@ -33,6 +33,11 @@ load(
     "grpc_generate_one_off_targets",
 )
 
+config_setting(
+    name = "grpc_no_ares",
+    values = {"define": "grpc_no_ares=true"},
+)
+
 # This should be updated along with build.yaml
 g_stands_for = "generous"
 
diff --git a/bazel/grpc_build_system.bzl b/bazel/grpc_build_system.bzl
index 6cfed6b0e72..b35ca73745f 100644
--- a/bazel/grpc_build_system.bzl
+++ b/bazel/grpc_build_system.bzl
@@ -33,6 +33,10 @@ def grpc_cc_library(name, srcs = [], public_hdrs = [], hdrs = [],
   native.cc_library(
     name = name,
     srcs = srcs,
+    defines = select({
+        "//:grpc_no_ares": ["GRPC_ARES=0"],
+	"//conditions:default": [],
+    }),
     hdrs = hdrs + public_hdrs,
     deps = deps + ["//external:" + dep for dep in external_deps],
     copts = copts,