--- /dev/null
+## File to include in other Makefile's, defining common commands and rules
+# $Id$
+# $Name$
+
+define replace-VERSION
+ cd $(distdir); \
+ for file in $(VERSIONED_FILES); do \
+ sed 's/\@VERSION\@/${VERSION}/' $$file > $$file.new; \
+ rm $$file; \
+ mv $$file.new $$file; \
+ done
+endef
+
+%.tabgen.h: %.tab.h
+ if [ ! -r $(srcdir)/$@ ] ; \
+ then \
+ touch $(srcdir)/$@; \
+ fi
+ if ! diff -q $< $(srcdir)/$@ > /dev/null; \
+ then \
+ rm $(srcdir)/$@; \
+ cp $(srcdir)/$< $(srcdir)/$@; \
+ fi