Change to XCode 11.2.1 (#231)

Author: tom-un

.ado/templates/apple-xcode-build.yml

@@ -17,7 +17,7 @@ steps:
       sdk: ${{ parameters.xcode_sdk }}
       xcWorkspacePath: ${{ parameters.xcode_workspacePath }}
       scheme: ${{ parameters.xcode_scheme }}
-      xcodeVersion: 11
+      xcodeVersion: default
       signingOption: auto
       packageApp: false
       teamId: '$(XCodeSigningMicrosoftTeamID)'

.ado/templates/apple-xcode-select.yml

@@ -2,37 +2,7 @@
 # Task Group: XCode select proper version
 #
 steps:
-  # The XCODE_11_DEVELOPER_DIR variable is defined in the Hosted Agents and is used by the Xcode@5 tasks.
-  # The 'OE Mac Pool' agents do not define this variable, so manually set it here if it is not defined.
-  - script: |
-      if [ -z $XCODE_11_DEVELOPER_DIR ]; then 
-        DIR='/Applications/Xcode_11_beta.app/Contents/Developer/'
-        if [ ! -d $DIR ]; then
-          DIR='/Applications/Xcode.app/Contents/Developer/'
-        fi
-        if [ -d $DIR ]; then
-          echo "##vso[task.setvariable variable=XCODE_11_DEVELOPER_DIR;]$DIR"
-        else
-          (>&2 echo "No Xcode found.")
-        fi
-      fi
-    displayName: 'Ensure XCODE_11_DEVELOPER_DIR'
-    failOnStderr: true
-
-  # The DEVELOPER_DIR variable is used by xcodebuild to specify the version of Xcode to use.
-  # Set the variable here so that npm components and CMake build steps get the latest XCode version
-  # instead of whatever version is the default on the build agent.
-  - script: |
-      echo "##vso[task.setvariable variable=DEVELOPER_DIR;]$XCODE_11_DEVELOPER_DIR"
-    displayName: 'Set DEVELOPER_DIR'
-
-  - script: |
-      REQUIRED=11.0
-      VER=`xcodebuild -version | head -n1 | cut -d' ' -f2`
-      if (( $(echo "$VER >= $REQUIRED" | bc -l) )); then
-        echo "XCode version $VER is active."
-      else
-        (>&2 echo "Must have XCode $REQUIRED or later.")
-      fi
-    displayName: 'Check XCode version'
+  - bash: |
+      sudo xcode-select --switch '/Applications/Xcode_11.2.1.app'
+    displayName: 'Switch to XCode 11.2.1'
     failOnStderr: true