fceud_SOURCES = drivers/pc/input.cpp drivers/pc/main.cpp drivers/pc/sdl.cpp drivers/pc/sdl-joystick.cpp drivers/pc/sdl-sound.cpp drivers/pc/sdl-throttle.cpp drivers/pc/sdl-video.cpp drivers/pc/unix-netplay.cpp if OPENGL TMP_OGL = drivers/pc/sdl-opengl.cpp endif fceud_SOURCES += $(TMP_OGL)