--- y4mdenoise/Makefile.am.link	2011-05-06 15:53:09.000000000 +0200
+++ y4mdenoise/Makefile.am	2011-05-06 15:53:20.000000000 +0200
@@ -38,4 +38,4 @@
 regiontest_SOURCES = regiontest.cc
 
 y4mdenoise_SOURCES = main.c newdenoise.cc
-y4mdenoise_LDADD = $(LIBMJPEGUTILS)
+y4mdenoise_LDADD = $(LIBMJPEGUTILS) @PTHREAD_LIBS@