[PATCH 2/2] kbuild: re-run modpost stage when scripts/mod/modpost is updated

From: Masahiro Yamada
Date: Tue Sep 06 2022 - 15:36:02 EST


vmlinux depends on .vmlinux.export.c, modules depend on *.mod.c.

They are output from modpost, so the modpost stage must be re-run
when the modpost code is updated.

Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
---

scripts/Makefile.modpost | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 87821a5fe16b..1afe50971f3b 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -120,7 +120,7 @@ quiet_cmd_modpost = MODPOST $@
sed 's/ko$$/o/' $(or $(modorder-if-needed), /dev/null) | $(MODPOST) $(modpost-args-y) $(vmlinux.o-if-present) -T - -o $@

targets += $(output-symdump)
-$(output-symdump): $(modorder-if-needed) $(vmlinux.o-if-present) $(moudle.symvers-if-present) FORCE
+$(output-symdump): $(modorder-if-needed) $(vmlinux.o-if-present) $(moudle.symvers-if-present) $(MODPOST) FORCE
$(call if_changed,modpost)

__modpost: $(output-symdump)
--
2.34.1