Chromium Code Reviews| Index: webrtc/BUILD.gn | 
| diff --git a/webrtc/BUILD.gn b/webrtc/BUILD.gn | 
| index d4308e12c5c809da5e727770d03d82fef0b716ca..660519e71e309b875c8ff60f07ea322d8d875b0a 100644 | 
| --- a/webrtc/BUILD.gn | 
| +++ b/webrtc/BUILD.gn | 
| @@ -182,6 +182,7 @@ config("common_config") { | 
| "-Wimplicit-fallthrough", | 
| "-Wthread-safety", | 
| "-Winconsistent-missing-override", | 
| + "-Wundef", | 
| ] | 
| } | 
| } |