--- ceph-0.56/src/Makefile.am.orig	2013-01-01 01:52:55.000000000 +0100
+++ ceph-0.56/src/Makefile.am	2013-01-06 14:47:20.347970073 +0100
@@ -55,7 +55,7 @@
 EXTRALIBS += -lprofiler
 endif
 
-LIBGLOBAL_LDA = libglobal.la $(PTHREAD_LIBS) -lm $(CRYPTO_LIBS) $(EXTRALIBS)
+LIBGLOBAL_LDA = libglobal.la $(PTHREAD_LIBS) -lm $(CRYPTO_LIBS) $(EXTRALIBS) -lboost_system
 
 LIBOS_LDA = libos.a
 
@@ -138,7 +138,7 @@
 bin_PROGRAMS += cephfs
 
 librados_config_SOURCES = librados-config.cc
-librados_config_LDADD = libglobal.la librados.la $(EXTRALIBS) $(CRYPTO_LIBS)
+librados_config_LDADD = librados.la $(LIBGLOBAL_LDA) $(EXTRALIBS) $(CRYPTO_LIBS)
 bin_PROGRAMS += librados-config
 
 # synthetic client
@@ -296,7 +296,7 @@
 libcephfs_la_CFLAGS= ${CRYPTO_CFLAGS} ${AM_CFLAGS}
 libcephfs_la_CXXFLAGS= ${AM_CXXFLAGS}
 libcephfs_la_LIBADD = libclient.la
-libcephfs_la_LDFLAGS =  $(PTHREAD_LIBS) $(CRYPTO_LIBS) $(EXTRALIBS) \
+libcephfs_la_LDFLAGS =  $(PTHREAD_LIBS) $(CRYPTO_LIBS) $(EXTRALIBS) -lboost_system \
             ${AM_LDFLAGS} -version-info 1:0:0 -export-symbols-regex '^ceph_.*'
 lib_LTLIBRARIES += libcephfs.la
 
@@ -318,7 +318,7 @@
 librados_la_SOURCES = ${librados_SOURCES}
 librados_la_CFLAGS = ${CRYPTO_CFLAGS} ${AM_CFLAGS}
 librados_la_CXXFLAGS = ${AM_CXXFLAGS}
-librados_la_LIBADD = libcommon.la $(PTHREAD_LIBS) $(CRYPTO_LIBS) $(EXTRALIBS)
+librados_la_LIBADD = libcommon.la $(PTHREAD_LIBS) $(CRYPTO_LIBS) $(EXTRALIBS) -lboost_system
 librados_la_LDFLAGS = ${AM_LDFLAGS} -version-info 2:0:0 -export-symbols-regex '^rados_.*'
 lib_LTLIBRARIES += librados.la