--- a/src/makefile.alsa
+++ b/src/makefile.alsa
@@ -3,7 +3,7 @@
 CHUCK_DIR=../scripting/chuck-1.2.1.2/src
 INCLUDES=-I$(CHUCK_DIR)
 FLAGS=-D__LINUX_ALSA__ `pkg-config --cflags gtk+-2.0` $(CFLAGS) -c
-LIBS=-lasound -lstdc++ -lm -lsndfile -lGL -lGLU -lglut `pkg-config --libs gtk+-2.0`
+LIBS=-lasound -lstdc++ -lm -lsndfile -lGL -lGLU -lglut `pkg-config --libs gtk+-2.0` -lpthread
 
 TAPS_OBJS= taps_analysis.o taps_birdbrain.o taps_driver.o \
 	taps_featurelibrary.o taps_pvc.o taps_regioncomparer.o \
--- a/scripting/chuck-1.2.1.2/src/makefile.alsa
+++ b/scripting/chuck-1.2.1.2/src/makefile.alsa
@@ -5,7 +5,7 @@
 INCLUDES=
 CFLAGS?= -O3
 FLAGS= -D__LINUX_ALSA__ -c $(CFLAGS)
-LIBS=-lasound -lstdc++ -ldl -lm
+LIBS=-lasound -lstdc++ -lm -lpthread -ldl
 SF_OBJ=util_sndfile.o
 
 ifneq ($(CHUCK_DEBUG),)
diff -Naur a/src/makefile.alsa b/src/makefile.alsa
--- a/src/makefile.alsa	2014-01-30 02:21:02.173891275 +0100
+++ b/src/makefile.alsa	2014-01-30 02:21:23.026891253 +0100
@@ -48,7 +48,7 @@
 OBJS+=ui_scripting.o
 # scripting disable needs most of chuck anyway due to includes 
 # in latest rtaudio.cpp, so always keep this line:
-LIBS+=$(CHUCK_OBJS)
+LIBS+=$(CHUCK_OBJS) -ldl
 
 # uncomment to use preconfigured sndfile
 #FLAGS+=-D__USE_SNDFILE_PRECONF__