set(CPPFILES
  Fl.cxx
  Fl_Adjuster.cxx
  Fl_Bitmap.cxx
  Fl_Browser.cxx
  Fl_Browser_.cxx
  Fl_Browser_load.cxx
  Fl_Box.cxx
  Fl_Button.cxx
  Fl_Chart.cxx
  Fl_Check_Browser.cxx
  Fl_Check_Button.cxx
  Fl_Choice.cxx
  Fl_Clock.cxx
  Fl_Color_Chooser.cxx
  Fl_Copy_Surface.cxx
  Fl_Counter.cxx
  Fl_Device.cxx
  Fl_Dial.cxx
  Fl_Help_Dialog_Dox.cxx
  Fl_Double_Window.cxx
  Fl_File_Browser.cxx
  Fl_File_Chooser.cxx
  Fl_File_Chooser2.cxx
  Fl_File_Icon.cxx
  Fl_File_Input.cxx
  Fl_Graphics_Driver.cxx
  Fl_Group.cxx
  Fl_Help_View.cxx
  Fl_Image.cxx
  Fl_Image_Surface.cxx
  Fl_Input.cxx
  Fl_Input_.cxx
  Fl_Light_Button.cxx
  Fl_Menu.cxx
  Fl_Menu_.cxx
  Fl_Menu_Bar.cxx
  Fl_Menu_Button.cxx
  Fl_Menu_Window.cxx
  Fl_Menu_add.cxx
  Fl_Menu_global.cxx
  Fl_Multi_Label.cxx
  Fl_Native_File_Chooser.cxx
  Fl_Overlay_Window.cxx
  Fl_Pack.cxx
  Fl_Paged_Device.cxx
  Fl_Pixmap.cxx
  Fl_Positioner.cxx
  Fl_Preferences.cxx
  Fl_Printer.cxx
  Fl_Progress.cxx
  Fl_Repeat_Button.cxx
  Fl_Return_Button.cxx
  Fl_Roller.cxx
  Fl_Round_Button.cxx
  Fl_Screen_Driver.cxx
  Fl_Scroll.cxx
  Fl_Scrollbar.cxx
  Fl_Shared_Image.cxx
  Fl_Single_Window.cxx
  Fl_Slider.cxx
  Fl_Table.cxx
  Fl_Table_Row.cxx
  Fl_Tabs.cxx
  Fl_Text_Buffer.cxx
  Fl_Text_Display.cxx
  Fl_Text_Editor.cxx
  Fl_Tile.cxx
  Fl_Tiled_Image.cxx
  Fl_Tooltip.cxx
  Fl_Tree.cxx
  Fl_Tree_Item_Array.cxx
  Fl_Tree_Item.cxx
  Fl_Tree_Prefs.cxx
  Fl_Valuator.cxx
  Fl_Value_Input.cxx
  Fl_Value_Output.cxx
  Fl_Value_Slider.cxx
  Fl_Widget.cxx
  Fl_Widget_Surface.cxx
  Fl_Window.cxx
  Fl_Window_Driver.cxx
  Fl_Window_fullscreen.cxx
  Fl_Window_hotspot.cxx
  Fl_Window_iconize.cxx
  Fl_Wizard.cxx
  Fl_XBM_Image.cxx
  Fl_XPM_Image.cxx
  Fl_abort.cxx
  Fl_add_idle.cxx
  Fl_arg.cxx
  Fl_compose.cxx
  Fl_display.cxx
  Fl_get_key.cxx
  Fl_get_system_colors.cxx
  Fl_grab.cxx
  Fl_lock.cxx
  Fl_own_colormap.cxx
  Fl_visual.cxx
  Fl_x.cxx
  filename_absolute.cxx
  filename_expand.cxx
  filename_ext.cxx
  filename_isdir.cxx
  filename_list.cxx
  filename_match.cxx
  filename_setext.cxx
  fl_arc.cxx
  fl_ask.cxx
  fl_boxtype.cxx
  fl_color.cxx
  fl_cursor.cxx
  fl_curve.cxx
  fl_diamond_box.cxx
  fl_dnd.cxx
  fl_draw.cxx
  fl_draw_pixmap.cxx
  fl_engraved_label.cxx
  fl_file_dir.cxx
  fl_font.cxx
  fl_gleam.cxx
  fl_gtk.cxx
  fl_labeltype.cxx
  fl_line_style.cxx
  fl_open_uri.cxx
  fl_oval_box.cxx
  fl_overlay.cxx
  fl_overlay_visual.cxx
  fl_plastic.cxx
  fl_read_image.cxx
  fl_rect.cxx
  fl_round_box.cxx
  fl_rounded_box.cxx
  fl_set_font.cxx
  fl_scroll_area.cxx
  fl_shadow_box.cxx
  fl_shortcut.cxx
  fl_show_colormap.cxx
  fl_symbols.cxx
  fl_vertex.cxx
  screen_xywh.cxx
  fl_utf8.cxx
  fl_encoding_latin1.cxx
  fl_encoding_mac_roman.cxx
)

file(GLOB
  HEADER_FILES
  "../FL/*.H"
  "../FL/*.h"
)

if ((USE_X11 OR USE_SDL) AND NOT OPTION_PRINT_SUPPORT)
  set(PSFILES
  )
else()
  set(PSFILES
    drivers/PostScript/Fl_PostScript.cxx
    drivers/PostScript/Fl_PostScript_image.cxx
  )
endif((USE_X11 OR USE_SDL) AND NOT OPTION_PRINT_SUPPORT)

set(DRIVER_FILES)

if (USE_X11)

  # X11 (including APPLE with X11)

  set(DRIVER_FILES
    drivers/Posix/Fl_Posix_System_Driver.cxx
    drivers/Posix/Fl_Posix_Printer_Driver.cxx
    drivers/X11/Fl_X11_Screen_Driver.cxx
    drivers/X11/Fl_X11_Window_Driver.cxx
    drivers/Xlib/Fl_Xlib_Graphics_Driver.cxx
    drivers/Xlib/Fl_Xlib_Graphics_Driver_arci.cxx
    drivers/Xlib/Fl_Xlib_Graphics_Driver_color.cxx
    drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
    drivers/Xlib/Fl_Xlib_Graphics_Driver_line_style.cxx
    drivers/Xlib/Fl_Xlib_Graphics_Driver_rect.cxx
    drivers/Xlib/Fl_Xlib_Graphics_Driver_vertex.cxx
    drivers/Xlib/Fl_Translated_Xlib_Graphics_Driver.cxx
    drivers/Xlib/Fl_Xlib_Copy_Surface_Driver.cxx
    drivers/Xlib/Fl_Xlib_Image_Surface_Driver.cxx
  )
  if (USE_XFT)
    set(DRIVER_FILES ${DRIVER_FILES}
      drivers/Xlib/Fl_Xlib_Graphics_Driver_font_xft.cxx
    )
  else ()
    set(DRIVER_FILES ${DRIVER_FILES}
      drivers/Xlib/Fl_Xlib_Graphics_Driver_font_x.cxx
    )  
  endif (USE_XFT)
  set(DRIVER_HEADER_FILES
    drivers/Posix/Fl_Posix_System_Driver.H
    drivers/X11/Fl_X11_Screen_Driver.H
    drivers/X11/Fl_X11_Window_Driver.H
    drivers/Quartz/Fl_Quartz_Graphics_Driver.H
  )

elseif (USE_SDL)

  # SDL2 

  set(DRIVER_FILES
    drivers/Pico/Fl_Pico_System_Driver.cxx
    drivers/Pico/Fl_Pico_Screen_Driver.cxx
    drivers/Pico/Fl_Pico_Window_Driver.cxx
    drivers/Pico/Fl_Pico_Graphics_Driver.cxx
    drivers/Pico/Fl_Pico_Copy_Surface.cxx
    drivers/Pico/Fl_Pico_Image_Surface.cxx
    drivers/PicoSDL/Fl_PicoSDL_System_Driver.cxx
    drivers/PicoSDL/Fl_PicoSDL_Screen_Driver.cxx
    drivers/PicoSDL/Fl_PicoSDL_Window_Driver.cxx
    drivers/PicoSDL/Fl_PicoSDL_Graphics_Driver.cxx
    drivers/PicoSDL/Fl_PicoSDL_Copy_Surface.cxx
    drivers/PicoSDL/Fl_PicoSDL_Image_Surface.cxx
  )
  set(DRIVER_HEADER_FILES
    drivers/Pico/Fl_Pico_System_Driver.H
    drivers/Pico/Fl_Pico_Screen_Driver.H
    drivers/Pico/Fl_Pico_Window_Driver.H
    drivers/Pico/Fl_Pico_Graphics_Driver.H
    drivers/PicoSDL/Fl_PicoSDL_System_Driver.H
    drivers/PicoSDL/Fl_PicoSDL_Screen_Driver.H
    drivers/PicoSDL/Fl_PicoSDL_Window_Driver.H
    drivers/PicoSDL/Fl_PicoSDL_Graphics_Driver.H
  )

elseif (APPLE)

  # Apple Quartz

  set(DRIVER_FILES
    drivers/Quartz/Fl_Quartz_Display_Device.cxx
    drivers/Quartz/Fl_Quartz_Graphics_Driver.cxx
    drivers/Quartz/Fl_Quartz_Graphics_Driver_color.cxx
    drivers/Quartz/Fl_Quartz_Graphics_Driver_rect.cxx
    drivers/Quartz/Fl_Quartz_Graphics_Driver_font.cxx
    drivers/Quartz/Fl_Quartz_Graphics_Driver_vertex.cxx
    drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx
    drivers/Quartz/Fl_Quartz_Printer_Graphics_Driver.cxx
    drivers/Quartz/Fl_Quartz_Graphics_Driver_arci.cxx
    drivers/Quartz/Fl_Quartz_Graphics_Driver_line_style.cxx
    drivers/Quartz/Fl_Quartz_Copy_Surface_Driver.cxx
    drivers/Quartz/Fl_Quartz_Image_Surface_Driver.cxx
    drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx
    drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
    drivers/Darwin/Fl_Darwin_System_Driver.cxx
  )
  set(DRIVER_HEADER_FILES
    drivers/Darwin/Fl_Darwin_System_Driver.H
    drivers/Cocoa/Fl_Cocoa_Screen_Driver.H
    drivers/Cocoa/Fl_Cocoa_Window_Driver.H
    drivers/Quartz/Fl_Quartz_Graphics_Driver.H
  )

else ()

  # Windows (GDI)

  set(DRIVER_FILES
    drivers/WinAPI/Fl_WinAPI_System_Driver.cxx
    drivers/WinAPI/Fl_WinAPI_Screen_Driver.cxx
    drivers/WinAPI/Fl_WinAPI_Window_Driver.cxx
    drivers/WinAPI/Fl_WinAPI_Printer_Driver.cxx
    drivers/GDI/Fl_GDI_Graphics_Driver.cxx
    drivers/GDI/Fl_GDI_Graphics_Driver_arci.cxx
    drivers/GDI/Fl_GDI_Graphics_Driver_color.cxx
    drivers/GDI/Fl_GDI_Graphics_Driver_font.cxx
    drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx
    drivers/GDI/Fl_GDI_Graphics_Driver_line_style.cxx
    drivers/GDI/Fl_GDI_Graphics_Driver_rect.cxx
    drivers/GDI/Fl_GDI_Graphics_Driver_vertex.cxx
    drivers/GDI/Fl_GDI_Copy_Surface_Driver.cxx
    drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx
  )
  set(DRIVER_HEADER_FILES
    drivers/WinAPI/Fl_WinAPI_System_Driver.H
    drivers/WinAPI/Fl_WinAPI_Screen_Driver.H
    drivers/WinAPI/Fl_WinAPI_Window_Driver.H
    drivers/GDI/Fl_GDI_Graphics_Driver.H
  )

endif (USE_X11)

source_group("Source Files\\Headers" FILES ${HEADER_FILES})
source_group("Driver Source Files" FILES ${DRIVER_FILES})
source_group("Driver Source Files\\Headers" FILES ${DRIVER_HEADER_FILES})

set(CPPFILES
  ${CPPFILES}
  ${DRIVER_FILES}
)

set(FLCPPFILES
  forms_compatability.cxx
  forms_bitmap.cxx
  forms_free.cxx
  forms_fselect.cxx
  forms_pixmap.cxx
  forms_timer.cxx
)

set(GLCPPFILES
  Fl_Gl_Choice.cxx
  Fl_Gl_Device_Plugin.cxx
  Fl_Gl_Overlay.cxx
  Fl_Gl_Window.cxx
  freeglut_geometry.cxx
  freeglut_stroke_mono_roman.cxx
  freeglut_stroke_roman.cxx
  freeglut_teapot.cxx
  gl_draw.cxx
  gl_start.cxx
  glut_compatability.cxx
  glut_font.cxx
)

set (GL_DRIVER_FILES
  drivers/OpenGL/Fl_OpenGL_Display_Device.cxx
  drivers/OpenGL/Fl_OpenGL_Graphics_Driver.cxx
  drivers/OpenGL/Fl_OpenGL_Graphics_Driver_arci.cxx
  drivers/OpenGL/Fl_OpenGL_Graphics_Driver_color.cxx
  drivers/OpenGL/Fl_OpenGL_Graphics_Driver_font.cxx
  drivers/OpenGL/Fl_OpenGL_Graphics_Driver_image.cxx
  drivers/OpenGL/Fl_OpenGL_Graphics_Driver_line_style.cxx
  drivers/OpenGL/Fl_OpenGL_Graphics_Driver_rect.cxx
  drivers/OpenGL/Fl_OpenGL_Graphics_Driver_vertex.cxx
)
set (GL_DRIVER_HEADER_FILES
  drivers/OpenGL/Fl_OpenGL_Display_Device.H
  drivers/OpenGL/Fl_OpenGL_Graphics_Driver.H
)

source_group("Driver Header Files" FILES ${GL_DRIVER_HEADER_FILES})
source_group("Driver Source Files" FILES ${GL_DRIVER_FILES})

set(GLCPPFILES
  ${GLCPPFILES}
  ${GL_DRIVER_FILES}
)

set(IMGCPPFILES
  fl_images_core.cxx
  Fl_BMP_Image.cxx
  Fl_File_Icon2.cxx
  Fl_GIF_Image.cxx
  Fl_Help_Dialog.cxx
  Fl_JPEG_Image.cxx
  Fl_PNG_Image.cxx
  Fl_PNM_Image.cxx
)

set(CFILES
  flstring.c
  scandir.c
  numericsort.c
  vsnprintf.c
  xutf8/is_right2left.c
  xutf8/is_spacing.c
  xutf8/case.c
  xutf8/utf8Input.c
  xutf8/utf8Utils.c
  xutf8/utf8Wrap.c
  xutf8/keysym2Ucs.c
  fl_utf.c
)

add_definitions(-DFL_LIBRARY)

if(APPLE AND (NOT OPTION_APPLE_X11) AND (NOT OPTION_APPLE_SDL))
    set(MMFILES
        Fl_cocoa.mm
        drivers/Cocoa/Fl_Cocoa_Printer_Driver.mm
        Fl_Native_File_Chooser_MAC.mm
        Fl_Sys_Menu_Bar.mm
        )
else()
   set(MMFILES
      )
endif(APPLE AND (NOT OPTION_APPLE_X11) AND (NOT OPTION_APPLE_SDL))

#######################################################################
FL_ADD_LIBRARY(fltk STATIC "${CPPFILES};${PSFILES};${MMFILES};${CFILES};fl_call_main.c;${HEADER_FILES};${DRIVER_HEADER_FILES}")

if(LIB_dl)
   target_link_libraries(fltk ${LIB_dl})
endif(LIB_dl)

if(USE_THREADS)
   target_link_libraries(fltk ${CMAKE_THREAD_LIBS_INIT})
endif(USE_THREADS)

if(USE_X11)
   target_link_libraries(fltk ${X11_LIBRARIES})
endif(USE_X11)

if (USE_SDL)
   target_link_libraries(fltk ${SDL2_LIBRARY})
endif(USE_SDL)

if(WIN32)
   target_link_libraries(fltk comctl32)
endif(WIN32)

if(FLTK_HAVE_CAIRO)
   target_link_libraries(fltk fltk_cairo ${PKG_CAIRO_LIBRARIES})
ENDif(FLTK_HAVE_CAIRO)

if(HAVE_XINERAMA)
   target_link_libraries(fltk ${X11_Xinerama_LIB})
endif(HAVE_XINERAMA)

if(HAVE_XFIXES)
   target_link_libraries(fltk ${X11_Xfixes_LIB})
endif(HAVE_XFIXES)

if(HAVE_XCURSOR)
   target_link_libraries(fltk ${X11_Xcursor_LIB})
endif(HAVE_XCURSOR)

if(USE_XFT)
   target_link_libraries(fltk ${X11_Xft_LIB})
   if(LIB_fontconfig)
      target_link_libraries(fltk ${LIB_fontconfig})
   endif(LIB_fontconfig)
endif(USE_XFT)

#######################################################################
FL_ADD_LIBRARY(fltk_forms STATIC "${FLCPPFILES}")
target_link_libraries(fltk_forms fltk)

#######################################################################
FL_ADD_LIBRARY(fltk_images STATIC "${IMGCPPFILES}")
target_link_libraries(fltk_images fltk ${FLTK_PNG_LIBRARIES}
     ${FLTK_JPEG_LIBRARIES} ${FLTK_ZLIB_LIBRARIES})

if(OPTION_USE_SYSTEM_LIBJPEG)
    target_link_libraries(fltk_images ${FLTK_JPEG_LIBRARIES})
else()
    target_link_libraries(fltk_images fltk_jpeg)
endif(OPTION_USE_SYSTEM_LIBJPEG)

if(OPTION_USE_SYSTEM_ZLIB)
    target_link_libraries(fltk_images ${FLTK_ZLIB_LIBRARIES})
else()
    target_link_libraries(fltk_images fltk_z)
endif(OPTION_USE_SYSTEM_ZLIB)

if(OPTION_USE_SYSTEM_LIBPNG)
    target_link_libraries(fltk_images ${FLTK_PNG_LIBRARIES})
else()
    target_link_libraries(fltk_images fltk_png)
endif(OPTION_USE_SYSTEM_LIBPNG)

#######################################################################
if(OPENGL_FOUND)
FL_ADD_LIBRARY(fltk_gl STATIC "${GLCPPFILES};${GL_HEADER_FILE};${GL_DRIVER_HEADER_FILES}")
   target_link_libraries(fltk_gl fltk ${OPENGL_LIBRARIES})
endif(OPENGL_FOUND)

#######################################################################
#######################################################################
if(OPTION_BUILD_SHARED_LIBS)

#######################################################################
FL_ADD_LIBRARY(fltk SHARED "${CPPFILES};${MMFILES};${CFILES};${HEADER_FILES};${DRIVER_HEADER_FILES}")

if(LIB_dl)
   target_link_libraries(fltk_SHARED ${LIB_dl})
endif(LIB_dl)

if(USE_THREADS)
   target_link_libraries(fltk_SHARED ${CMAKE_THREAD_LIBS_INIT})
endif(USE_THREADS)

if(USE_X11)
   target_link_libraries(fltk_SHARED ${X11_LIBRARIES})
endif(USE_X11)

if (USE_SDL)
   target_link_libraries(fltk ${SDL2_LIBRARY})
endif(USE_SDL)

if(WIN32)
   target_link_libraries(fltk_SHARED comctl32)
endif(WIN32)

if(FLTK_HAVE_CAIRO)
   target_link_libraries(fltk_SHARED fltk_cairo_SHARED ${PKG_CAIRO_LIBRARIES})
ENDif(FLTK_HAVE_CAIRO)

if(HAVE_XINERAMA)
   target_link_libraries(fltk_SHARED ${X11_Xinerama_LIB})
endif(HAVE_XINERAMA)

if(HAVE_XFIXES)
   target_link_libraries(fltk_SHARED ${X11_Xfixes_LIB})
endif(HAVE_XFIXES)

if(HAVE_XCURSOR)
   target_link_libraries(fltk_SHARED ${X11_Xcursor_LIB})
endif(HAVE_XCURSOR)

if(USE_XFT)
   target_link_libraries(fltk_SHARED ${X11_Xft_LIB})
   if(LIB_fontconfig)
      target_link_libraries(fltk_SHARED ${LIB_fontconfig})
   endif(LIB_fontconfig)
endif(USE_XFT)

#######################################################################
FL_ADD_LIBRARY(fltk_forms SHARED "${FLCPPFILES}")
target_link_libraries(fltk_forms_SHARED fltk_SHARED)

if(USE_THREADS)
   target_link_libraries(fltk_forms_SHARED ${CMAKE_THREAD_LIBS_INIT} ${LIB_dl})
endif(USE_THREADS)

if(USE_X11)
   target_link_libraries(fltk_forms_SHARED ${X11_LIBRARIES})
endif(USE_X11)

#######################################################################
FL_ADD_LIBRARY(fltk_images SHARED "${IMGCPPFILES}")
target_link_libraries(fltk_images_SHARED fltk_SHARED)

if(OPTION_USE_SYSTEM_LIBJPEG)
    target_link_libraries(fltk_images_SHARED ${FLTK_JPEG_LIBRARIES})
else()
    target_link_libraries(fltk_images_SHARED fltk_jpeg_SHARED)
endif(OPTION_USE_SYSTEM_LIBJPEG)

if(OPTION_USE_SYSTEM_ZLIB)
    target_link_libraries(fltk_images_SHARED ${FLTK_ZLIB_LIBRARIES})
else()
    target_link_libraries(fltk_images_SHARED fltk_z_SHARED)
endif(OPTION_USE_SYSTEM_ZLIB)

if(OPTION_USE_SYSTEM_LIBPNG)
    target_link_libraries(fltk_images_SHARED ${FLTK_PNG_LIBRARIES})
else()
    target_link_libraries(fltk_images_SHARED fltk_png_SHARED)
endif(OPTION_USE_SYSTEM_LIBPNG)

#######################################################################
if(OPENGL_FOUND)
   FL_ADD_LIBRARY(fltk_gl SHARED "${GLCPPFILES};${GL_HEADER_FILE};${GL_DRIVER_HEADER_FILES}")
   target_link_libraries(fltk_gl_SHARED fltk_SHARED ${OPENGL_LIBRARIES})
endif(OPENGL_FOUND)

#######################################################################
endif(OPTION_BUILD_SHARED_LIBS)
#######################################################################