[qt_common] fix building with Qt 6.10 (#2713)

Qt old style include variables are deprecated in Qt, see <https://github.com/qt/qtbase/blob/v6.10.0/cmake/QtModuleConfig.cmake.in#L84>, and Qt 6.10 stopped exporting them after <ad7b94e163>.

Signed-off-by: Marcin Serwin <marcin@serwin.dev>

Co-authored-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2713
Co-authored-by: Marcin Serwin <marcin@serwin.dev>
Co-committed-by: Marcin Serwin <marcin@serwin.dev>

src/qt_common/CMakeLists.txt

@@ -45,6 +45,10 @@ if (NOT APPLE AND ENABLE_OPENGL)
     target_compile_definitions(qt_common PUBLIC HAS_OPENGL)
 endif()
 
-if (NOT WIN32)
-    target_include_directories(qt_common PRIVATE ${Qt6Gui_PRIVATE_INCLUDE_DIRS})
+if (UNIX AND NOT APPLE)
+    if (TARGET Qt6::GuiPrivate)
+        target_link_libraries(qt_common PRIVATE Qt6::GuiPrivate)
+    else()
+        target_include_directories(yuzu PRIVATE ${Qt6Gui_PRIVATE_INCLUDE_DIRS})
+    endif()
 endif()

src/yuzu/CMakeLists.txt

@@ -393,16 +393,8 @@ target_link_libraries(yuzu PRIVATE common core input_common frontend_common netw
 target_link_libraries(yuzu PRIVATE Boost::headers glad Qt6::Widgets)
 target_link_libraries(yuzu PRIVATE ${PLATFORM_LIBRARIES} Threads::Threads)
 
-if (NOT WIN32)
-    target_include_directories(yuzu PRIVATE ${Qt6Gui_PRIVATE_INCLUDE_DIRS})
-endif()
-
 if (UNIX AND NOT APPLE)
     target_link_libraries(yuzu PRIVATE Qt6::DBus)
-
-    if (TARGET Qt6::GuiPrivate)
-        target_link_libraries(yuzu PRIVATE Qt6::GuiPrivate)
-    endif()
 endif()
 
 target_compile_definitions(yuzu PRIVATE