--- mpg123-1.21.0.orig/configure.ac	2014-09-28 16:27:28.000000000 -0500
+++ mpg123-1.21.0/configure.ac	2015-02-16 13:31:29.910186926 -0600
@@ -1548,7 +1548,7 @@ do
 				HAVE_ALSA=no
 			else
 
-			ALSA_LIBS="-lasound"
+			ALSA_LIBS="-lasound -lpthread"
 			# Check for ALSA
 			AC_CHECK_LIB( [asound], [snd_pcm_open],
 				[ AC_CHECK_HEADER( [alsa/asoundlib.h],
