linux-kernel - Re: [PATCHv4 1/3] scripts: Preprocess module-common.lds

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Date:   Wed, 13 Jun 2018 11:03:08 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Laura Abbott <labbott@...hat.com>
Cc:     Andy Lutomirski <luto@...nel.org>,
        Mark Wielaard <mjw@...oraproject.org>,
        "H . J . Lu" <hjl.tools@...il.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        X86 ML <x86@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Nick Clifton <nickc@...hat.com>,
        Cary Coutant <ccoutant@...il.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Subject: Re: [PATCHv4 1/3] scripts: Preprocess module-common.lds

2018-06-12 9:32 GMT+09:00 Laura Abbott <labbott@...hat.com>:
>
> In preparation for some upcoming work, allow module-common.lds
> to be run through the preprocessor.
>
> Signed-off-by: Laura Abbott <labbott@...hat.com>
> ---
>  scripts/.gitignore                                 | 1 +
>  scripts/Makefile                                   | 2 +-
>  scripts/{module-common.lds => module-common.lds.S} | 0
>  3 files changed, 2 insertions(+), 1 deletion(-)
>  rename scripts/{module-common.lds => module-common.lds.S} (100%)
>
> diff --git a/scripts/.gitignore b/scripts/.gitignore
> index 0442c06eefcb..afd1de57d9c6 100644
> --- a/scripts/.gitignore
> +++ b/scripts/.gitignore
> @@ -13,3 +13,4 @@ asn1_compiler
>  extract-cert
>  sign-file
>  insert-sys-cert
> +module-common.lds
> diff --git a/scripts/Makefile b/scripts/Makefile
> index 25ab143cbe14..631d9d1a71e4 100644
> --- a/scripts/Makefile
> +++ b/scripts/Makefile
> @@ -25,7 +25,7 @@ HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
>  HOSTLOADLIBES_sign-file = -lcrypto
>  HOSTLOADLIBES_extract-cert = -lcrypto
>
> -always         := $(hostprogs-y) $(hostprogs-m)
> +always         := $(hostprogs-y) $(hostprogs-m) module-common.lds


You do not need to generate module-common.lds all the time.
It is necessary only when the module feature is enabled.

You can do like this:

extra-$(CONFIG_MODULES)  +=  module-common.lds






-- 
Best Regards
Masahiro Yamada