author.xml: author.xml.in
	@if [ ! -e $@ ]; then \
		echo ;\
		echo " **********************************************************"; \
		echo " Please edit conf/author.xml with your favorite text editor."; \
		echo " Supply the needed information in it."; \
		echo " (Contact the project manager in case of problem)"; \
		echo " **********************************************************"; \
		echo ;\
		cp $< $@; \
		make -C ../ Makefile.include; \
	elif  [ $< -nt $@ ]; then \
		echo ;\
		echo " **********************************************************"; \
		echo " The format of file conf/author.xml has changed. Please open it with your favorite text editor."; \
		echo " Then ensure to synchronize it with the structure of conf/author.xml.in."; \
		echo " (Contact the project manager in case of problem)"; \
		echo " **********************************************************"; \
		echo ; \
		exit 1; \
	fi