CLEAN_FILES += y.output
+# Use -cvt for parser debug version
%-parser.cs: %-parser.jay $(topdir)/jay/skeleton.cs
- $(topdir)/jay/jay -cvt < $(topdir)/jay/skeleton.cs $< > jay-tmp.out && mv jay-tmp.out $@
+ $(topdir)/jay/jay -cv < $(topdir)/jay/skeleton.cs $< > jay-tmp.out && mv jay-tmp.out $@
KEEP_OUTPUT_FILE_COPY = yes