diff options
Diffstat (limited to 'audio/out/ao_alsa.c')
-rw-r--r-- | audio/out/ao_alsa.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/audio/out/ao_alsa.c b/audio/out/ao_alsa.c index 900cbafd03..050aef4e2c 100644 --- a/audio/out/ao_alsa.c +++ b/audio/out/ao_alsa.c @@ -49,6 +49,10 @@ #include "internal.h" #include "audio/format.h" +#if !HAVE_GPL +#error GPL only +#endif + struct ao_alsa_opts { char *mixer_device; char *mixer_name; |