Messages in this thread |  | | Date | Fri, 3 Apr 2020 15:45:00 -0700 | From | Kees Cook <> | Subject | Re: [PATCH] kbuild: do not pass $(KBUILD_CFLAGS) to scripts/mkcompile_h |
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On Sat, Apr 04, 2020 at 06:24:59AM +0900, Masahiro Yamada wrote: > scripts/mkcompile_h uses $(CC) only for getting the version string. > > I suspected there was a specific reason why the additional flags were > needed, and dug the commit history. This code dates back to at least > 2002 [1], but I could not get any more clue.
I would be alarmed to find it changing the version string with flags. ;)
> Just get rid of it. > > [1]: https://git.kernel.org/pub/scm/linux/kernel/git/history/history.git/commit/?id=29f3df7eba8ddf91a55183f9967f76fbcc3ab742 > > Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
-Kees
> --- > > init/Makefile | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/init/Makefile b/init/Makefile > index 30aa8ab11120..d45e967483b2 100644 > --- a/init/Makefile > +++ b/init/Makefile > @@ -35,4 +35,4 @@ include/generated/compile.h: FORCE > @$($(quiet)chk_compile.h) > $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \ > "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" \ > - "$(CONFIG_PREEMPT_RT)" "$(CC) $(KBUILD_CFLAGS)" "$(LD)" > + "$(CONFIG_PREEMPT_RT)" "$(CC)" "$(LD)" > -- > 2.17.1 >
-- Kees Cook
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