CMake: Add support for iokit sandbox exception

docs/CMake API.md

@@ -454,6 +454,11 @@ attributes directly to these creation functions, rather than adding them later.
 - A set of space-separated paths that will be added to this target's entitlements plist for
   accessing read/write absolute paths if `APP_SANDBOX_ENABLED` is `TRUE`.
 
+`APP_SANDBOX_EXCEPTION_IOKIT`
+- A set of space-separated strings specifying IOUserClient subclasses to open or to set properties 
+  on. These will be added to this target's entitlements plist if `APP_SANDBOX_ENABLED` is `TRUE`. 
+  For more information see Apple's IOKit User Client Class Temporary Exception documentation.
+
 `PLIST_TO_MERGE`
 - A string to insert into an app/plugin's Info.plist.
 

extras/Build/CMake/JUCEUtils.cmake

@@ -352,6 +352,7 @@ function(_juce_write_configure_time_info target)
     _juce_append_target_property(file_content APP_SANDBOX_FILE_ACCESS_HOME_RW      ${target} JUCE_APP_SANDBOX_FILE_ACCESS_HOME_RW)
     _juce_append_target_property(file_content APP_SANDBOX_FILE_ACCESS_ABS_RO       ${target} JUCE_APP_SANDBOX_FILE_ACCESS_ABS_RO)
     _juce_append_target_property(file_content APP_SANDBOX_FILE_ACCESS_ABS_RW       ${target} JUCE_APP_SANDBOX_FILE_ACCESS_ABS_RW)
+    _juce_append_target_property(file_content APP_SANDBOX_EXCEPTION_IOKIT          ${target} JUCE_APP_SANDBOX_EXCEPTION_IOKIT)
     _juce_append_target_property(file_content APP_GROUPS_ENABLED                   ${target} JUCE_APP_GROUPS_ENABLED)
     _juce_append_target_property(file_content APP_GROUP_IDS                        ${target} JUCE_APP_GROUP_IDS)
     _juce_append_target_property(file_content IS_PLUGIN                            ${target} JUCE_IS_PLUGIN)
@@ -1892,6 +1893,7 @@ function(_juce_initialise_target target)
         APP_SANDBOX_FILE_ACCESS_HOME_RW
         APP_SANDBOX_FILE_ACCESS_ABS_RO
         APP_SANDBOX_FILE_ACCESS_ABS_RW
+        APP_SANDBOX_EXCEPTION_IOKIT
         DOCUMENT_EXTENSIONS
         AAX_CATEGORY
         IPHONE_SCREEN_ORIENTATIONS      # iOS only

extras/Build/juceaide/Main.cpp

@@ -368,6 +368,14 @@ juce::build_tools::EntitlementOptions parseEntitlementsOptions (const juce::File
                                                          std::move (values) });
     }
 
+    {
+        juce::StringArray values;
+        updateField ("APP_SANDBOX_EXCEPTION_IOKIT", values);
+
+        if (! values.isEmpty())
+            result.appSandboxExceptionIOKit = values;
+    }
+
     result.type = type;
 
     return result;