# SPDX-License-Identifier: GPL-2.0

quiet_cmd_chkbss = CHKBSS  $<
define cmd_chkbss
	if ! $(OBJDUMP) -j .bss -w -h $< | awk 'END { if ($$3) exit 1 }'; then \
		echo "error: $< .bss section is not empty" >&2; exit 1; \
	fi; \
	touch $@;
endef

chkbss-target ?= $(obj)/built-in.a
ifneq (,$(findstring /,$(chkbss)))
$(chkbss-target): $(patsubst %, %.chkbss, $(chkbss))
else
$(chkbss-target): $(patsubst %, $(obj)/%.chkbss, $(chkbss))
endif

%.o.chkbss: %.o
	$(call cmd,chkbss)