From: Masahiro Yamada <masahiroy@xxxxxxxxxx>
[ Upstream commit eaf2213ba563b2d74a1f2c13a6b258273f689802 ]
If *.conf.default is updated, builtin-policy.h should be rebuilt,
but this does not work when compiled with O= option.
[Without this commit]
$ touch security/tomoyo/policy/exception_policy.conf.default
$ make O=/tmp security/tomoyo/
make[1]: Entering directory '/tmp'
GEN Makefile
CALL /home/masahiro/ref/linux/scripts/checksyscalls.sh
DESCEND objtool
make[1]: Leaving directory '/tmp'
[With this commit]
$ touch security/tomoyo/policy/exception_policy.conf.default
$ make O=/tmp security/tomoyo/
make[1]: Entering directory '/tmp'
GEN Makefile
CALL /home/masahiro/ref/linux/scripts/checksyscalls.sh
DESCEND objtool
POLICY security/tomoyo/builtin-policy.h
CC security/tomoyo/common.o
AR security/tomoyo/built-in.a
make[1]: Leaving directory '/tmp'
$(srctree)/ is essential because $(wildcard ) does not follow VPATH.
Fixes: f02dee2d148b ("tomoyo: Do not generate empty policy files")
Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
Signed-off-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
security/tomoyo/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/security/tomoyo/Makefile b/security/tomoyo/Makefile
index cca5a3012fee..221eaadffb09 100644
--- a/security/tomoyo/Makefile
+++ b/security/tomoyo/Makefile
@@ -10,7 +10,7 @@ endef
quiet_cmd_policy = POLICY $@
cmd_policy = ($(call do_policy,profile); $(call do_policy,exception_policy); $(call do_policy,domain_policy); $(call do_policy,manager); $(call do_policy,stat)) >$@
-$(obj)/builtin-policy.h: $(wildcard $(obj)/policy/*.conf $(src)/policy/*.conf.default) FORCE
+$(obj)/builtin-policy.h: $(wildcard $(obj)/policy/*.conf $(srctree)/$(src)/policy/*.conf.default) FORCE
$(call if_changed,policy)
$(obj)/common.o: $(obj)/builtin-policy.h
--
2.39.0
