-librrd_la_SOURCES = $(RRD_C_FILES) rrd_not_thread_safe.c
-#librrd_private_la_SOURCES = $(RRD_C_FILES) rrd_not_thread_safe.c
+librrd_la_SOURCES = $(RRD_C_FILES)
+librrd_la_DEPENDENCIES = librrdupd.la librrd.sym
+librrd_la_LIBADD = librrdupd.la $(ALL_LIBS)
+librrd_la_LDFLAGS = -version-info @LIBVERS@
+librrd_la_LDFLAGS += -export-symbols librrd.sym