CMake: Make JUCE targets default to targeting both iPhone and iPad

docs/CMake API.md

@@ -315,6 +315,12 @@ attributes directly to these creation functions, rather than adding them later.
     is specified, the ICON_BIG and ICON_SMALL arguments will not have an effect on iOS, and a launch
     storyboard will not be used.
 
+- `TARGETED_DEVICE_FAMILY`
+  - Specifies the device families on which the product must be capable of running. Allowed values
+    are "1", "2", and "1,2"; these correspond to "iPhone/iPod touch", "iPad", and "iPhone/iPod and
+    iPad" respectively. This will default to "1,2", meaning that the target will target iPhone,
+    iPod, and iPad.
+
 - `ICON_BIG`, `ICON_SMALL`
   - Paths to image files that will be used to generate app icons. If only one of these parameters
     is specified, then that image will be used for all icon resolutions. If both arguments are

extras/Build/CMake/JUCEUtils.cmake

@@ -1103,7 +1103,9 @@ function(_juce_configure_bundle source_target dest_target)
 
     set_target_properties(${dest_target} PROPERTIES
         XCODE_ATTRIBUTE_ENABLE_HARDENED_RUNTIME
-            $<TARGET_PROPERTY:${source_target},JUCE_HARDENED_RUNTIME_ENABLED>)
+            "$<TARGET_PROPERTY:${source_target},JUCE_HARDENED_RUNTIME_ENABLED>"
+        XCODE_ATTRIBUTE_TARGETED_DEVICE_FAMILY
+            "$<TARGET_PROPERTY:${source_target},JUCE_TARGETED_DEVICE_FAMILY>")
 
     if(juce_kind_string STREQUAL "AUv3 AppExtension")
         get_target_property(source_bundle_id ${source_target} JUCE_BUNDLE_ID)
@@ -1765,6 +1767,8 @@ function(_juce_set_fallback_properties target)
         _juce_set_property_if_not_set(${target} AU_MAIN_TYPE kAudioUnitType_Effect)
     endif()
 
+    _juce_set_property_if_not_set(${target} TARGETED_DEVICE_FAMILY "1,2")
+
     set(au_category_codes
         'aufx'
         'aufc'
@@ -1881,6 +1885,7 @@ function(_juce_initialise_target target)
         BACKGROUND_AUDIO_ENABLED        # iOS only
         BACKGROUND_BLE_ENABLED          # iOS only
         CUSTOM_XCASSETS_FOLDER          # iOS only
+        TARGETED_DEVICE_FAMILY          # iOS only
         ICON_BIG
         ICON_SMALL
         COMPANY_COPYRIGHT