--- a/Make.spec	Wed Nov 28 10:22:05 2012 +0000
+++ b/Make.spec	Fri Nov 30 17:19:23 2012 +0000
@@ -364,6 +364,9 @@
 	ImmutableString \
 	InvalidEncodingError \
 	PipeStream \
+	MethodNotAppropriateError \
+	AbstractClassInstantiationError \
+	InvalidTypeError \
 	Symbol \
 	Unicode16String \
 	CharacterEncoderImplementations::EBCDIC \
@@ -707,6 +710,9 @@
     $(OUTDIR)ImmutableString.$(O) \
     $(OUTDIR)InvalidEncodingError.$(O) \
     $(OUTDIR)PipeStream.$(O) \
+    $(OUTDIR)MethodNotAppropriateError.$(O) \
+    $(OUTDIR)AbstractClassInstantiationError.$(O) \
+    $(OUTDIR)InvalidTypeError.$(O) \
     $(OUTDIR)Symbol.$(O) \
     $(OUTDIR)Unicode16String.$(O) \
     $(OUTDIR)CharacterEncoderImplementations__EBCDIC.$(O) \