--- a/compiler/tests/extras/Make.spec	Tue May 12 01:24:03 2015 +0100
+++ b/compiler/tests/extras/Make.spec	Thu May 21 14:12:22 2015 +0100
@@ -51,12 +51,16 @@
 STCWARNINGS=-warnNonStandard
 
 COMMON_CLASSES= \
+	PPExpressionGrammar \
+	PPLL1ExpressionGrammar \
 	stx_goodies_petitparser_compiler_tests_extras \
 
 
 
 
 COMMON_OBJS= \
+    $(OUTDIR_SLASH)PPExpressionGrammar.$(O) \
+    $(OUTDIR_SLASH)PPLL1ExpressionGrammar.$(O) \
     $(OUTDIR_SLASH)stx_goodies_petitparser_compiler_tests_extras.$(O) \