--- a/Make.spec	Thu Feb 15 08:46:03 2018 +0000
+++ b/Make.spec	Sat Feb 03 22:37:17 2018 +0000
@@ -221,6 +221,7 @@
 	GDBThreadGroup \
 	GDBTransientObject \
 	GDBVariableObject \
+	GDBVariableObjectChange \
 	GDBVariableObjectExecutor \
 	GDBBreakpointDeletedEvent \
 	GDBBreakpointEvent \
@@ -417,6 +418,7 @@
     $(OUTDIR)GDBThreadGroup.$(O) \
     $(OUTDIR)GDBTransientObject.$(O) \
     $(OUTDIR)GDBVariableObject.$(O) \
+    $(OUTDIR)GDBVariableObjectChange.$(O) \
     $(OUTDIR)GDBVariableObjectExecutor.$(O) \
     $(OUTDIR)GDBBreakpointDeletedEvent.$(O) \
     $(OUTDIR)GDBBreakpointEvent.$(O) \