root@djux-laptop:/home/djux/Desktop/veejay-1.0# ./configure --help|grep SWSCALER
  FFMPEG_SWSCALER_CFLAGS
              C compiler flags for FFMPEG_SWSCALER, overriding pkg-config
  FFMPEG_SWSCALER_LIBS
              linker flags for FFMPEG_SWSCALER, overriding pkg-config