The pthread library has to be linked for this module. In some tool
chains, it results in a build error.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
AM_LDFLAGS = -module -avoid-version -export-dynamic $(LDFLAGS_NOUNDEFINED)
libasound_module_pcm_usb_stream_la_SOURCES = pcm_usb_stream.c
-libasound_module_pcm_usb_stream_la_LIBADD = @ALSA_LIBS@
+libasound_module_pcm_usb_stream_la_LIBADD = @ALSA_LIBS@ -lpthread
noinst_HEADERS = usb_stream.h