$ make
gcc -O0 -g -Ilibcommon/include -Wall -pedantic  -std=gnu99  -c -o libretro-test.o libretro-test.c
libretro-test.c: In function 'emit_audio':
libretro-test.c:63:16: warning: passing argument 1 of 'audio_batch_cb' from incompatible pointer type [-Wincompatible-pointer-types]
 audio_batch_cb(samples, BUFSIZE);
                ^~~~~~~
libretro-test.c:63:16: note: expected 'const int16_t * {aka const short int *}' but argument is of type 'float *'
libretro-test.c: In function 'retro_load_game':
libretro-test.c:163:35: warning: passing argument 1 of 'audio_mixer_load_wav' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
    wavfile = audio_mixer_load_wav(game->data,game->size);
                                   ^~~~
In file included from libretro-test.c:8:0:
libcommon/include/audio/audio_mixer.h:61:22: note: expected 'void *' but argument is of type 'const void * const'
 audio_mixer_sound_t* audio_mixer_load_wav(void *buffer, int32_t size);
                      ^~~~~~~~~~~~~~~~~~~~
gcc -O0 -g -Ilibcommon/include -Wall -pedantic  -std=gnu99  -c -o libcommon/audio_mixer.o libcommon/audio_mixer.c
gcc -O0 -g -Ilibcommon/include -Wall -pedantic  -std=gnu99  -c -o libcommon/rwav.o libcommon/rwav.c
gcc -O0 -g -Ilibcommon/include -Wall -pedantic  -std=gnu99  -c -o libcommon/memalign.o libcommon/memalign.c
gcc -O0 -g -Ilibcommon/include -Wall -pedantic  -std=gnu99  -c -o libcommon/audio_resampler.o libcommon/audio_resampler.c
gcc -O0 -g -Ilibcommon/include -Wall -pedantic  -std=gnu99  -c -o libcommon/sinc_resampler.o libcommon/sinc_resampler.c
gcc -O0 -g -Ilibcommon/include -Wall -pedantic  -std=gnu99  -c -o libcommon/features_cpu.o libcommon/features_cpu.c
gcc -O0 -g -Ilibcommon/include -Wall -pedantic  -std=gnu99  -c -o libcommon/compat_strl.o libcommon/compat_strl.c
gcc  -shared -static-libgcc -static-libstdc++ -s -Wl,--version-script=link.T -Wl,--no-undefined  -o testaudio_playback_wav_libretro.dll libretro-test.o libcommon/audio_mixer.o libcommon/rwav.o libcommon/memalign.o libcommon/audio_resampler.o libcommon/sinc_resampler.o libcommon/features_cpu.o libcommon/compat_strl.o  -lm