ios to build.py,then error, build/config/ios/rules.gni:300:26: Assignment had no effect. bundle_plugins_dir = "$bundle_contents_dir/PlugIns"

[Guolanlan]

guolanlandeMacBook-Pro:src guolanlan$ python2.7 scripts/build.py ERROR at //build/config/ios/rules.gni:300:26: Assignment had no effect. bundle_plugins_dir = "$bundle_contents_dir/PlugIns" ^----------------------------- You set the variable "bundle_plugins_dir" here and it was unused before it went out of scope. See //build/config/ios/rules.gni:837:7: whence it was called. create_signed_bundle(_variant.target_name) { ^------------------------------------------- See //third_party/webrtc/examples/BUILD.gn:341:5: whence it was called. ios_app_bundle("AppRTCMobile") { ^------------------------------- See //BUILD.gn:10:7: which caused the file to be included. "//third_party/webrtc/examples", ^------------------------------