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From: Ujjwal Kumar <ujjwalkumar0501@gmail.com>
To: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: linux-kernel-mentees@lists.linuxfoundation.org
Subject: Re: [Linux-kernel-mentees] [PATCH RFC 0/2] use interpreters to invoke scripts
Date: Sat, 3 Oct 2020 03:06:19 +0530	[thread overview]
Message-ID: <0226bf70-611d-c12b-cbf2-2c2b70bbb2d9@gmail.com> (raw)
In-Reply-To: <06b25639-0d7d-e635-706c-19b950c5ff2e@gmail.com>

On 02/10/20 4:08 pm, Ujjwal Kumar wrote:
> This patch series aims at removing the dependency on execute 
> bit of the scripts in the kbuild system.
> 
> If not working with fresh clone of linux-next, clean the srctree:
> make distclean
> make tools/clean
> 
> To test the dependency on execute bits, I tried building the 
> kernel after removing x-bits for all files in the repository.
> Removing execute bits:
> for i in $(find -executable -type f); do chmod -x $i; done
> 
> Any attempts to configure (or build) the kernel fail because of 
> 'Permission denied' on scripts with the following error:
> $ make allmodconfig
> sh: ./scripts/gcc-version.sh: Permission denied
> init/Kconfig:34: syntax error
> init/Kconfig:33: invalid statement
> init/Kconfig:34: invalid statement
> sh: ./scripts/ld-version.sh: Permission denied
> init/Kconfig:39: syntax error
> init/Kconfig:38: invalid statement
> sh: ./scripts/clang-version.sh: Permission denied
> init/Kconfig:49: syntax error
> init/Kconfig:48: invalid statement
> make[1]: *** [scripts/kconfig/Makefile:71: allmodconfig] Error 1
> make: *** [Makefile:606: allmodconfig] Error 2
> 
> Changes:
> 1. Adds specific interpreters (in Kconfig) to invoke 
> scripts.
> 
> After this patch I could successfully do a kernel build 
> without any errors.
> 
> 2. Again adds specific interpreters to other parts of 
> kbuild system.
> 
> I could successfully perform the following make targets after 
> applying the second patch:
> make headerdep
> make kselftest-merge

I could further test the changes as follows-
scripts/Makefile.package:
make rpm-pkg
make perf-tar-src-pkg

arch/ia64/Makefile:
make ARCH=ia64 defconfig

arch/arm64/kernel/vdso/Makefile:
ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make prepare

> 
> Following changes in the patch 2/2 are not yet tested:
> arch/*
> scripts/*
> 
> Ujjwal Kumar (2):
>   kconfig: use interpreters to invoke scripts
>   kbuild: use interpreters to invoke scripts
> 
>  Makefile                          |  4 ++--
>  arch/arm64/kernel/vdso/Makefile   |  2 +-
>  arch/arm64/kernel/vdso32/Makefile |  2 +-
>  arch/ia64/Makefile                |  4 ++--
>  arch/nds32/kernel/vdso/Makefile   |  2 +-
>  init/Kconfig                      | 16 ++++++++--------
>  scripts/Makefile.build            |  2 +-
>  scripts/Makefile.package          |  4 ++--
>  8 files changed, 18 insertions(+), 18 deletions(-)
> 

Ujjwal Kumar
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  reply	other threads:[~2020-10-02 21:36 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-02 10:38 [Linux-kernel-mentees] [PATCH RFC 0/2] use interpreters to invoke scripts Ujjwal Kumar
2020-10-02 21:36 ` Ujjwal Kumar [this message]
2020-10-03  6:27   ` Lukas Bulwahn
2020-10-03  6:24 ` Lukas Bulwahn
2020-10-03 15:19 Ujjwal Kumar
2020-10-04  6:51 ` Lukas Bulwahn
2020-10-12 13:40 ` Lukas Bulwahn
2020-10-12 16:18 ` Masahiro Yamada
2020-10-12 16:36   ` Ujjwal Kumar

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