Re: [PATCH] kbuild: use POSIX-compatible grep option

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On Tue, Oct 18, 2022 at 4:23 PM Stefan Hansson <newbie13xd@xxxxxxxxx> wrote:
>
> Hi Masahiro,
>
> On 2022-10-17 23:31, Masahiro Yamada wrote:
> > On Tue, Oct 18, 2022 at 12:02 AM Stefan Hansson <newbie13xd@xxxxxxxxx> wrote:
> >>
> >> --file is a GNU extension to grep which is not available in all
> >> implementations (such as BusyBox). Use the -f option instead which is
> >> eqvuialent according to the GNU grep manpage[1] and is present in
> >> POSIX[2].
> >>
> >>   [1] https://www.gnu.org/software/grep/manual/grep.html
> >>   [2] https://pubs.opengroup.org/onlinepubs/9699919799/
> >
> >
> > This link does not show the spec of grep.
> >
> >
> > Did you mean this?
> >
> > https://pubs.opengroup.org/onlinepubs/9699919799/utilities/grep.html
> >
> >
>
> Yes, sorry, that's a better link. I'm new to this. Do you want me to
> send a v2 with the commit message updated?

No worries.
I applied the patch with the link replaced.


Thanks.





> >
> >
> > Thanks.
> >
> >
> >
> >
> >
> >>
> >> Signed-off-by: Stefan Hansson <newbie13xd@xxxxxxxxx>
> >> ---
> >>   Makefile | 2 +-
> >>   1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/Makefile b/Makefile
> >> index c690361b393f..3513a6db66a2 100644
> >> --- a/Makefile
> >> +++ b/Makefile
> >> @@ -1218,7 +1218,7 @@ quiet_cmd_ar_vmlinux.a = AR      $@
> >>         cmd_ar_vmlinux.a = \
> >>          rm -f $@; \
> >>          $(AR) cDPrST $@ $(KBUILD_VMLINUX_OBJS); \
> >> -       $(AR) mPiT $$($(AR) t $@ | head -n1) $@ $$($(AR) t $@ | grep -F --file=$(srctree)/scripts/head-object-list.txt)
> >> +       $(AR) mPiT $$($(AR) t $@ | head -n1) $@ $$($(AR) t $@ | grep -Ff $(srctree)/scripts/head-object-list.txt)
> >>
> >>   targets += vmlinux.a
> >>   vmlinux.a: $(KBUILD_VMLINUX_OBJS) scripts/head-object-list.txt autoksyms_recursive FORCE
> >> --
> >> 2.37.3
> >>
> >
> >



-- 
Best Regards
Masahiro Yamada



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