From 0ce7b6e8701bf00ec181a72df030404aecb5bc4a Mon Sep 17 00:00:00 2001
From: Yoshiya Hinosawa <stibium121@gmail.com>
Date: Mon, 13 Aug 2018 17:04:18 +0900
Subject: chore: introduce rust_treat_warnings_as_errors build arg

---
 build_extra/rust/rust.gni | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'build_extra/rust/rust.gni')

diff --git a/build_extra/rust/rust.gni b/build_extra/rust/rust.gni
index c7e951c4b..ece21d6c0 100644
--- a/build_extra/rust/rust.gni
+++ b/build_extra/rust/rust.gni
@@ -1,6 +1,9 @@
 declare_args() {
   # Absolute path of rust build files.
   rust_build = "//build_extra/rust/"
+
+  # treat the warnings in rust files as errors
+  rust_treat_warnings_as_errors = true
 }
 
 if (is_win) {
@@ -67,14 +70,16 @@ template("run_rustc") {
     ]
     script = "//tools/run_rustc.py"
 
-    # TODO: We want to apply "-Dwarnings" only when treat_warnings_as_errors is not false
-    # https://github.com/denoland/deno/pull/379
     args = [
       rebase_path(source_root, root_build_dir),
       "--crate-name=$crate_name",
       "--crate-type=$crate_type",
     ]
 
+    if (rust_treat_warnings_as_errors) {
+      args += [ "-Dwarnings" ]
+    }
+
     if (!is_win) {
       args += [ "--color=always" ]
     }
-- 
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