ERROR at //build/config/ios/ios_sdk.gni:147:21: Script returned non-zero exit code.
_ios_sdk_result = exec_script(script_name, ios_sdk_info_args, "scope")
^----------
Current dir: /Users/zhouzhishui/webrtc_h265/src/out/Debug-device-arm64/
Command: python /Users/zhouzhishui/webrtc_h265/src/build/config/mac/sdk_info.py --get_sdk_info --get_machine_info iphoneos
Returned 127.
See //build/config/sysroot.gni:74:5: whence it was imported.
import("//build/config/ios/ios_sdk.gni")
^--------------------------------------
See //third_party/webrtc/webrtc.gni:12:1: whence it was imported.
import("//build/config/sysroot.gni")
^----------------------------------
See //BUILD.gn:4:1: whence it was imported.
import("third_party/webrtc/webrtc.gni")
^-------------------------------------