Ensure Countly does not use the IDFA.

platform-darwin/Podfile

@@ -28,3 +28,14 @@ target 'MasterPassword-macOS' do
   pod 'KCOrderedAccessorFix'
   pod 'JRSwizzle'
 end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    if target.name == 'Countly-iOS' || target.name == 'Countly-macOS'
+      target.build_configurations.each do |config|
+        config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= ['$(inherited)']
+        config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'COUNTLY_EXCLUDE_IDFA=1'
+      end
+    end
+  end
+end