On 5/27/22 16:39, Masahiro Yamada wrote:
> Parisc overrides 'nm' with a shell script. I was hit by a false-positive
> error of $(NM) because this script returns the exit code of grep instead
> of ${CROSS_COMPILE}nm. (grep exits with 1 if no lines were selected)
>
> I tried to fix it, but in the code review, Helge suggested to remove it
> entirely. [1]
>
> This script was added in 2003. [2]
>
> Presumably, it was a workaround for old toolchains (but even the parisc
> maintainer does not know the detail any more).
>
> Hopefully recent tools should work fine.
>
> [1]: https://lore.kernel.org/all/[email protected]/
> [2]: https://git.kernel.org/pub/scm/linux/kernel/git/history/history.git/commit/?id=36eaa6e4c0e0b6950136b956b72fd08155b92ca3
>
> Suggested-by: Helge Deller <[email protected]>
> Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Helge Deller <[email protected]>
Thank you!
Helge
> ---
>
> I want to apply this to kbuild tree with Helge's Ack
>
> arch/parisc/Makefile | 1 -
> arch/parisc/nm | 6 ------
> 2 files changed, 7 deletions(-)
> delete mode 100644 arch/parisc/nm
>
> diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
> index aca1710fd658..e38d993d87f2 100644
> --- a/arch/parisc/Makefile
> +++ b/arch/parisc/Makefile
> @@ -18,7 +18,6 @@
> boot := arch/parisc/boot
> KBUILD_IMAGE := $(boot)/bzImage
>
> -NM = sh $(srctree)/arch/parisc/nm
> CHECKFLAGS += -D__hppa__=1
>
> ifdef CONFIG_64BIT
> diff --git a/arch/parisc/nm b/arch/parisc/nm
> deleted file mode 100644
> index c788308de33f..000000000000
> --- a/arch/parisc/nm
> +++ /dev/null
> @@ -1,6 +0,0 @@
> -#!/bin/sh
> -##
> -# Hack to have an nm which removes the local symbols. We also rely
> -# on this nm being hidden out of the ordinarily executable path
> -##
> -${CROSS_COMPILE}nm $* | grep -v '.LC*[0-9]*$'
On Sat, May 28, 2022 at 12:32 AM Helge Deller <[email protected]> wrote:
>
> On 5/27/22 16:39, Masahiro Yamada wrote:
> > Parisc overrides 'nm' with a shell script. I was hit by a false-positive
> > error of $(NM) because this script returns the exit code of grep instead
> > of ${CROSS_COMPILE}nm. (grep exits with 1 if no lines were selected)
> >
> > I tried to fix it, but in the code review, Helge suggested to remove it
> > entirely. [1]
> >
> > This script was added in 2003. [2]
> >
> > Presumably, it was a workaround for old toolchains (but even the parisc
> > maintainer does not know the detail any more).
> >
> > Hopefully recent tools should work fine.
> >
> > [1]: https://lore.kernel.org/all/[email protected]/
> > [2]: https://git.kernel.org/pub/scm/linux/kernel/git/history/history.git/commit/?id=36eaa6e4c0e0b6950136b956b72fd08155b92ca3
> >
> > Suggested-by: Helge Deller <[email protected]>
> > Signed-off-by: Masahiro Yamada <[email protected]>
>
> Acked-by: Helge Deller <[email protected]>
>
> Thank you!
> Helge
>
I just forgot to change the patch subject.
I changed it to
"parisc: remove arch/parisc/nm"
Applied to linux-kbuild.
Thanks for the ack.
--
Best Regards
Masahiro Yamada