--- systemtap-2.2.1/Makefile.am.orig	2013-07-05 21:26:27.918188876 +0200
+++ systemtap-2.2.1/Makefile.am	2013-07-05 21:34:45.071501358 +0200
@@ -181,7 +181,7 @@
 stap_serverd_SOURCES = stap-serverd.cxx cscommon.cxx util.cxx privilege.cxx nsscommon.cxx cmdline.cxx
 stap_serverd_CXXFLAGS = $(AM_CXXFLAGS) @PIECXXFLAGS@ $(nss_CFLAGS)
 stap_serverd_CFLAGS = $(AM_CFLAGS) @PIECFLAGS@ $(nss_CFLAGS)
-stap_serverd_LDFLAGS = $(AM_LDFLAGS) @PIELDFLAGS@
+stap_serverd_LDFLAGS = $(AM_LDFLAGS) @PIELDFLAGS@ -pthread
 stap_serverd_LDADD = $(nss_LIBS) -lpthread
 if HAVE_AVAHI
 stap_serverd_CFLAGS += $(avahi_CFLAGS)