copy output libs in shell scripts

engine/Scripts/lib_build_ios.sh

         engine_path=$OPTARG # set engine_path, depot_tools and flutter engine folder will be put into this path
         ;;
         p)
-        gn_params="$gn_params --$OPTARG" # set the target platform android/ios/linux
+        gn_params="$gn_params --$OPTARG" # set the target platform android/ios
-        gn_params="$gn_params --runtime-mode=$runtime_mode" # set runtime mode release/debug/profile
+        gn_params="$gn_params --runtime-mode=$runtime_mode" # set runtime mode release/debug
         ;;
         e)
         bitcode="-bitcode_bundle -bitcode_verify"
 
 gclient sync
 
-cd src/flutter
+cd $FLUTTER_ROOT_PATH/flutter
-cd third_party/txt
+cd $FLUTTER_ROOT_PATH/flutter/third_party/txt
-cd $engine_path/engine/src/build/mac
-cp -f $work_path/patches/find_sdk.patch find_sdk.patch
-patch < find_sdk.patch -N
-cd ../..
+cd $FLUTTER_ROOT_PATH
 ./flutter/tools/gn $gn_params
 
 
 echo "\nStarting build engine..."
-cd $work_path
-cd ..
+cd $work_path/../
+
+if [ -d '../com.unity.uiwidgets/Runtime/Plugins/ios' ];
+then
+  echo "ios folder already exist, skip create folder"
+else
+  mkdir ../com.unity.uiwidgets/Runtime/Plugins/ios
+fi
+  rm -rf build_release/*
+  rm -rf ../com.unity.uiwidgets/Runtime/Plugins/ios/*
+  cp -r build_release/. ../com.unity.uiwidgets/Runtime/Plugins/ios
+  rm -rf build_debug/*
+  rm -rf ../com.unity.uiwidgets/Runtime/Plugins/ios/*
+  cp -r build_debug/. ../com.unity.uiwidgets/Runtime/Plugins/ios
-cd Scripts
-xcode_path=""
-xcode_path=`python -c 'import prelink; print prelink.get_xcode_path()'`
-
-target_files=""
+cd Scripts/../
-cd ..
 python3 Scripts/prelink.py $tundra_file $runtime_mode $output_path $work_path $bitcode
 

engine/Scripts/lib_build_mac.sh

 
 gclient sync
 
-cd src/flutter
+cd $FLUTTER_ROOT_PATH/flutter
-cd third_party/txt
+cd $FLUTTER_ROOT_PATH/flutter/third_party/txt
-cd $engine_path/engine/src/build/mac
+cd $FLUTTER_ROOT_PATH/build/mac
-cd ../..
+cd $FLUTTER_ROOT_PATH
 ./flutter/tools/gn $gn_params
 
 echo "icu_use_data_file=false" >> out/$output_path/args.gn
-cd $work_path
-cd ..
+cd $work_path/../
+
+if [ -d '../com.unity.uiwidgets/Runtime/Plugins/osx' ];
+then
+  echo "osx folder already exist, skip create folder"
+else
+  mkdir ../com.unity.uiwidgets/Runtime/Plugins/osx
+fi
+
+  rm -rf build_release/*
-  if [ -d '../com.unity.uiwidgets/Runtime/Plugins/osx' ];
-  then
-    echo "engine folder already exist, skip"
-  else
-    mkdir ../com.unity.uiwidgets/Runtime/Plugins/osx
-  fi
+  rm -rf build_debug/*
-  if [ -d '../com.unity.uiwidgets/Runtime/Plugins/osx' ];
-  then
-    echo "engine folder already exist, skip create folder"
-  else
-    mkdir ../com.unity.uiwidgets/Runtime/Plugins/osx
-  fi
   rm -rf ../com.unity.uiwidgets/Runtime/Plugins/osx/*
   cp -r build_debug/. ../com.unity.uiwidgets/Runtime/Plugins/osx
 fi

engine/Scripts/patches/find_sdk.patch

    else:
      sdk_dir = os.path.join(out.rstrip(), 'SDKs')
 -  sdks = [re.findall('^MacOSX(10\.\d+)\.sdk$', s) for s in os.listdir(sdk_dir)]
-+  sdks = [re.findall('^MacOSX(11\.\d+)\.sdk$', s) for s in os.listdir(sdk_dir)]
++  sdks = [re.findall('^MacOSX(1[0-1]\.\d+)\.sdk$', s) for s in os.listdir(sdk_dir)]
    sdks = [s[0] for s in sdks if s]  # [['10.5'], ['10.6']] => ['10.5', '10.6']
    sdks = [s for s in sdks  # ['10.5', '10.6'] => ['10.6']
            if parse_version(s) >= parse_version(min_sdk_version)]

engine/Scripts/prelink.py

         json_list = temp['Nodes']
         target_files=''
         for item in json_list:
-            if item['Annotation'].startswith('Lib_iOS_arm64') and item['Annotation'].find("release_iOS_arm64") != -1:
+            if item['Annotation'].startswith('Lib_iOS_arm64') and item['Annotation'].find(runtime_mode) != -1:
                 action = item['Action']
                 o_file_list = action.split("\"")
                 for o in o_file_list:
         os.system('\"' + xcode_path + '/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld" -r -arch arm64 ' + bitcode + ' -syslibroot ' + xcode_path + '/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk -unexported_symbols_list third.symbol ' + target_files + ' ' + flutter_root_path + '/out/' + output_path + '/obj/flutter/third_party/txt/libtxt_lib.a -o "libUIWidgets.o"')
         os.system('\"' + xcode_path + '/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool" -arch_only arm64 -static "libUIWidgets.o" -o "libUIWidgets.a"')
         os.system('\"' + xcode_path + '/Toolchains/XcodeDefault.xctoolchain/usr/bin/strip" -x "libUIWidgets.a"')
-        os.system('cp -r libUIWidgets.a ' + '../com.unity.uiwidgets/Runtime/Plugins/'+ output_path + '/libUIWidgets.a')
+        os.system('cp -r libUIWidgets.a ' + '../com.unity.uiwidgets/Runtime/Plugins/ios/libUIWidgets.a')
 
 if __name__ == "__main__":
     if len(sys.argv) > 5: