linux-kernel - Re: [PATCH] modules: Allow to use depmod from a non default install

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Message-ID: <4AF73E93.9020804@gmail.com>
Date:	Sun, 08 Nov 2009 22:56:35 +0100
From:	Carmelo Amoroso <carmelo73@...il.com>
To:	Carmelo Amoroso <carmelo73@...il.com>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Carmelo AMOROSO <carmelo.amoroso@...com>
Subject: Re: [PATCH] modules: Allow to use depmod from a non default install

Carmelo Amoroso wrote:
> This patch allow to specify the directory where to find the
> depmod tool other than being forced to use the module-init-tools
> installed on the host. The reason for this is explained below.
> When doing cross-compilation, it not guaranteed that the
> module-init-tools installed on the host (and used during kernel build)
> are exactly the same and compatible with those used on the target at runtime.
> For example, recent changes in how depmod writes modules.dep using
> root-less path, make older modprobe unusable on the target.
> User in ths case could install in a different path the module-init-tools
> compatible with the version used on the target and specify the path on the
> command line.
> 
> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@...com>
> ---
>  Makefile |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index b4c04f7..f5286c4 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -316,7 +316,8 @@ OBJDUMP             = $(CROSS_COMPILE)objdump
>  AWK            = awk
>  GENKSYMS       = scripts/genksyms/genksyms
>  INSTALLKERNEL  := installkernel
> -DEPMOD         = /sbin/depmod
> +DEPMOD_PATH    ?= /sbin
> +DEPMOD         = $(DEPMOD_PATH)/depmod
>  KALLSYMS       = scripts/kallsyms
>  PERL           = perl
>  CHECK          = sparse
> -- 1.6.3.3
> 

Apologies for duplicated emails.
Please discard this last one.

Regards,
Carmelo
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