sha1.o: sha1.c sha1.h $(srcdir)/../defs.h
sha1init.o: sha1init.c sha1.h $(srcdir)/../digest.h sha1.h $(srcdir)/../defs.h $(HDRS) $(ruby_headers)
sha1ossl.o: sha1ossl.h  $(srcdir)/../defs.h $(HDRS) $(ruby_headers)