--- configure.orig	2016-12-15 03:47:11 UTC
+++ configure
@@ -15857,6 +15857,7 @@ if test "x$ac_cv_lib_SDL2_SDL_OpenAudio"
   SOUND_DRIVERS="$SOUND_DRIVERS soundsdl.o";
                                   use_sdl_prefix=no;
                                   use_sdl2_prefix=yes;
+                                  SOUND_LIBS="$SOUND_LIBS -lSDL2";
                                   USE_SDL_AUDIO_SUPPORT="yes";
 
 $as_echo "#define USE_SDL2_PREFIX /**/" >>confdefs.h