From ad4dc3c4d328fef63678c3f4299ed87cc53d1b7b Mon Sep 17 00:00:00 2001
From: Rodrigo Queiro <overdrigzed@gmail.com>
Date: Wed, 31 Jan 2018 15:19:36 +0100
Subject: [PATCH] Bazel: build with -Wno-sign-compare (#863)

This avoids warnings for code like:

```
  CHECK_EQ(local_to_cloud_trajectory_id_map_.count(local_trajectory_id), 0);
```
---
 cartographer/BUILD.bazel      | 1 +
 cartographer_grpc/BUILD.bazel | 1 +
 2 files changed, 2 insertions(+)

diff --git a/cartographer/BUILD.bazel b/cartographer/BUILD.bazel
index a44d8a9..2cd30ee 100644
--- a/cartographer/BUILD.bazel
+++ b/cartographer/BUILD.bazel
@@ -64,6 +64,7 @@ cc_library(
     ] + glob([
         "**/*.h",
     ]),
+    copts = ["-Wno-sign-compare"],
     includes = ["."],
     deps = [
         ":cc_protos",
diff --git a/cartographer_grpc/BUILD.bazel b/cartographer_grpc/BUILD.bazel
index 5cf2b40..1c47b30 100644
--- a/cartographer_grpc/BUILD.bazel
+++ b/cartographer_grpc/BUILD.bazel
@@ -81,6 +81,7 @@ cc_library(
     hdrs = glob([
         "**/*.h",
     ]),
+    copts = ["-Wno-sign-compare"],
     includes = ["."],
     deps = [
         ":cc_protos",