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tomoyo: fix broken dependency on *.conf.default 

[ Upstream commit eaf2213ba5 ]

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: f02dee2d14 ("tomoyo: Do not generate empty policy files")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Masahiro Yamada 2023-01-07 16:47:41 +09:00 committed by Greg Kroah-Hartman
parent c2c3a71200
commit 78cfe7bfe5
1 changed files with 1 additions and 1 deletions
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2
security/tomoyo/Makefile
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@ -10,7 +10,7 @@ endef
quiet_cmd_policy = POLICY $@ quiet_cmd_policy = POLICY $@
cmd_policy = ($(call do_policy,profile); $(call do_policy,exception_policy); $(call do_policy,domain_policy); $(call do_policy,manager); $(call do_policy,stat)) >$@ 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) $(call if_changed,policy)
$(obj)/common.o: $(obj)/builtin-policy.h $(obj)/common.o: $(obj)/builtin-policy.h