build(linux)!: remove legacy input option (#3562)

cmake/compile_definitions/linux.cmake

@@ -203,24 +203,20 @@ else()
     message(STATUS "Tray icon disabled")
 endif()
 
-if(${SUNSHINE_USE_LEGACY_INPUT})  # TODO: Remove this legacy option after the next stable release
-    list(APPEND PLATFORM_TARGET_FILES "${CMAKE_SOURCE_DIR}/src/platform/linux/input/legacy_input.cpp")
-else()
-    # These need to be set before adding the inputtino subdirectory in order for them to be picked up
-    set(LIBEVDEV_CUSTOM_INCLUDE_DIR "${EVDEV_INCLUDE_DIR}")
-    set(LIBEVDEV_CUSTOM_LIBRARY "${EVDEV_LIBRARY}")
+# These need to be set before adding the inputtino subdirectory in order for them to be picked up
+set(LIBEVDEV_CUSTOM_INCLUDE_DIR "${EVDEV_INCLUDE_DIR}")
+set(LIBEVDEV_CUSTOM_LIBRARY "${EVDEV_LIBRARY}")
 
-    add_subdirectory("${CMAKE_SOURCE_DIR}/third-party/inputtino")
-    list(APPEND SUNSHINE_EXTERNAL_LIBRARIES inputtino::libinputtino)
-    file(GLOB_RECURSE INPUTTINO_SOURCES
-            ${CMAKE_SOURCE_DIR}/src/platform/linux/input/inputtino*.h
-            ${CMAKE_SOURCE_DIR}/src/platform/linux/input/inputtino*.cpp)
-    list(APPEND PLATFORM_TARGET_FILES ${INPUTTINO_SOURCES})
+add_subdirectory("${CMAKE_SOURCE_DIR}/third-party/inputtino")
+list(APPEND SUNSHINE_EXTERNAL_LIBRARIES inputtino::libinputtino)
+file(GLOB_RECURSE INPUTTINO_SOURCES
+        ${CMAKE_SOURCE_DIR}/src/platform/linux/input/inputtino*.h
+        ${CMAKE_SOURCE_DIR}/src/platform/linux/input/inputtino*.cpp)
+list(APPEND PLATFORM_TARGET_FILES ${INPUTTINO_SOURCES})
 
-    # build libevdev before the libinputtino target
-    if(EXTERNAL_PROJECT_LIBEVDEV_USED)
-        add_dependencies(libinputtino libevdev)
-    endif()
+# build libevdev before the libinputtino target
+if(EXTERNAL_PROJECT_LIBEVDEV_USED)
+    add_dependencies(libinputtino libevdev)
 endif()
 
 # AppImage and Flatpak

cmake/prep/options.cmake

@@ -65,6 +65,4 @@ elseif(UNIX)  # Linux
             "Enable building wayland specific code." ON)
     option(SUNSHINE_ENABLE_X11
             "Enable X11 grab if available." ON)
-    option(SUNSHINE_USE_LEGACY_INPUT  # TODO: Remove this legacy option after the next stable release
-            "Use the legacy virtual input implementation." OFF)
 endif()