diff options
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/Makefile | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile index c5e14ffd36ee..d662c1a64cd5 100644 --- a/kernel/trace/Makefile +++ b/kernel/trace/Makefile @@ -174,7 +174,13 @@ UNDEFINED_ALLOWLIST = __asan __gcov __kasan __kcsan __hwasan __sancov __sanitize $(shell $(NM) -u $(obj)/undefsyms_base.o 2>/dev/null | awk '{print $$2}') quiet_cmd_check_undefined = NM $< - cmd_check_undefined = test -z "`$(NM) -u $< | grep -v $(addprefix -e , $(UNDEFINED_ALLOWLIST))`" + cmd_check_undefined = \ + undefsyms=$$($(NM) -u $< | grep -v $(addprefix -e , $(UNDEFINED_ALLOWLIST)) || true); \ + if [ -n "$$undefsyms" ]; then \ + echo "Unexpected symbols in $<:" >&2; \ + echo "$$undefsyms" >&2; \ + false; \ + fi $(obj)/%.o.checked: $(obj)/%.o $(obj)/undefsyms_base.o FORCE $(call if_changed,check_undefined) |