diff -ur alsa-plugins-1.1.5/arcam-av/Makefile.am alsa-plugins-1.1.5/arcam-av/Makefile.am
--- alsa-plugins-1.1.5/arcam-av/Makefile.am	2017-11-13 23:52:10.000000000 -0800
+++ alsa-plugins-1.1.5/arcam-av/Makefile.am	2017-11-29 15:19:56.025415638 -0800
@@ -3,7 +3,7 @@
 asound_module_ctl_arcam_avdir = @ALSA_PLUGIN_DIR@

 AM_CFLAGS = -Wall -g @ALSA_CFLAGS@
-AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined
+AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined -pthread

 libasound_module_ctl_arcam_av_la_SOURCES = ctl_arcam_av.c arcam_av.c arcam_av.h
 libasound_module_ctl_arcam_av_la_LIBADD = @ALSA_LIBS@