FrontendCommon: Add option to inhibit screensaver

src/frontend-common/CMakeLists.txt

@@ -17,6 +17,8 @@ add_library(frontend-common
   game_settings.h
   icon.cpp
   icon.h
+  inhibit_screensaver.cpp
+  inhibit_screensaver.h
   ini_settings_interface.cpp
   ini_settings_interface.h
   input_overlay_ui.cpp
@@ -89,6 +91,11 @@ if(USE_EVDEV)
   )
 endif()
 
+if(USE_X11)
+  target_compile_definitions(frontend-common PRIVATE "-DUSE_X11=1")
+  target_include_directories(frontend-common PRIVATE "${X11_INCLUDE_DIR}")
+endif()
+
 if(ENABLE_DISCORD_PRESENCE)
   target_compile_definitions(frontend-common PUBLIC -DWITH_DISCORD_PRESENCE=1)
   target_link_libraries(frontend-common PRIVATE discord-rpc)