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.PHONY: clean curl_download: test -e Makefile_c || perl Makefile.PL $(MAKE) -f Makefile_c install: test -e Makefile_c || perl Makefile.PL $(MAKE) -f Makefile_c install clean: test ! -e Makefile_c || $(MAKE) -f Makefile_c clean rm -f *~ *.o