Makefile.chkbss
# 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
$(obj)/built-in.a: $(patsubst %, $(obj)/%.chkbss, $(chkbss))
%.o.chkbss: %.o
$(call cmd,chkbss)