CMake: Fix demos which failed to build on Windows

The PushNotificationsDemo is not supported on Windows, so I've
stopped CMake from configuring it in the first place.

examples/CMakeLists.txt

@@ -36,7 +36,10 @@ function(_juce_add_pips)
             "${CMAKE_CURRENT_SOURCE_DIR}/CameraDemo.h"
             "${CMAKE_CURRENT_SOURCE_DIR}/PushNotificationsDemo.h"
             "${CMAKE_CURRENT_SOURCE_DIR}/VideoDemo.h")
-        endif()
+    elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows")
+        list(REMOVE_ITEM headers
+            "${CMAKE_CURRENT_SOURCE_DIR}/PushNotificationsDemo.h")
+    endif()
 
     foreach(header IN ITEMS ${headers})
         juce_add_pip(${header} added_target)

examples/Utilities/PushNotificationsDemo.h

@@ -34,7 +34,7 @@
                    juce_audio_processors, juce_audio_utils, juce_core,
                    juce_data_structures, juce_events, juce_graphics,
                    juce_gui_basics, juce_gui_extra
- exporters:        xcode_mac, vs2019, xcode_iphone, androidstudio
+ exporters:        xcode_mac, xcode_iphone, androidstudio
 
  moduleFlags:      JUCE_STRICT_REFCOUNTEDPOINTER=1
                    JUCE_PUSH_NOTIFICATIONS=1

extras/Build/CMake/JUCEUtils.cmake

@@ -1961,6 +1961,11 @@ endfunction()
 function(juce_add_console_app target)
     add_executable(${target})
     target_compile_definitions(${target} PRIVATE JUCE_STANDALONE_APPLICATION=1)
+
+    if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
+        target_compile_definitions(${target} PRIVATE _CONSOLE=1)
+    endif()
+
     _juce_initialise_target(${target} ${ARGN})
 endfunction()