ladybird/Meta/CMake/gui_framework.cmake

# Keep the lists here in sync with Meta/Utils/host_platform.py
if (ANDROID OR VCPKG_TARGET_ANDROID)
    set(_possible_guis "Android")
    set(_default_gui "Android")
elseif (APPLE)
    set(_possible_guis "AppKit" "Gtk" "Qt")
    set(_default_gui "AppKit")
else()
    set(_possible_guis "Qt" "Gtk")
    set(_default_gui "Qt")
endif()

set(LADYBIRD_GUI_FRAMEWORK ${_default_gui} CACHE STRING "The GUI framework to use for the ladybird application. Possible values: ${_possible_guis}")

if (NOT "${LADYBIRD_GUI_FRAMEWORK}" IN_LIST _possible_guis)
    message(FATAL_ERROR "Invalid value for LADYBIRD_GUI_FRAMEWORK: ${LADYBIRD_GUI_FRAMEWORK}. Possible values: ${_possible_guis}")
endif()