# Find link platform-specific libraries
find_package(SDL2 REQUIRED)
find_package(OpenGL REQUIRED)

# Setup endianess at compile time to optimize.
include(TestBigEndian)
test_big_endian(IS_BIG_ENDIAN)
if(IS_BIG_ENDIAN)
  target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
    DUSK_PLATFORM_ENDIAN_BIG
  )
else()
  target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
    DUSK_PLATFORM_ENDIAN_LITTLE
  )
endif()

# Link required libraries.
target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC 
  SDL2
  pthread
  OpenGL::GL
  GL
  m
)

# Define platform-specific macros.
target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
  DUSK_SDL2
  DUSK_OPENGL
  DUSK_LINUX
  DUSK_DISPLAY_SIZE_DYNAMIC
  DUSK_DISPLAY_WIDTH_DEFAULT=640
  DUSK_DISPLAY_HEIGHT_DEFAULT=480
  DUSK_DISPLAY_SCREEN_HEIGHT=240
  DUSK_INPUT_KEYBOARD
  DUSK_INPUT_POINTER
  DUSK_INPUT_GAMEPAD
  DUSK_TIME_DYNAMIC
)