$(OBJS): $(HDRS) $(ruby_headers) \
  $(top_srcdir)/vm_core.h \
  $(top_srcdir)/node.h \
  $(top_srcdir)/vm_debug.h \
  $(top_srcdir)/vm_opts.h \
  {$(VPATH)}id.h \
  $(top_srcdir)/method.h \
  $(top_srcdir)/ruby_atomic.h \
  $(top_srcdir)/thread_pthread.h \
  $(top_srcdir)/internal.h \
  $(top_srcdir)/include/ruby/thread_native.h
coverage.o: $(top_srcdir)/ccan/check_type/check_type.h # ext/coverage/coverage.o: ccan/check_type/check_type.h
coverage.o: $(top_srcdir)/ccan/container_of/container_of.h # ext/coverage/coverage.o: ccan/container_of/container_of.h
coverage.o: $(top_srcdir)/ccan/list/list.h # ext/coverage/coverage.o: ccan/list/list.h
coverage.o: $(top_srcdir)/ccan/str/str.h # ext/coverage/coverage.o: ccan/str/str.h