linux-kernel - Re: [PATCH] scripts/ver_linux use 'gcc -dumpversion'

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Message-Id: <20080521232919.70f47341.akpm@linux-foundation.org>
Date:	Wed, 21 May 2008 23:29:19 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Gabriel C <nix.or.die@...glemail.com>
Cc:	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] scripts/ver_linux use 'gcc -dumpversion'

On Wed, 21 May 2008 20:36:19 +0200 Gabriel C <nix.or.die@...glemail.com> wrote:

> 
> These magic greps and hacks in ver_linux to get the gcc version always break after some gcc releases.
> 
> Since now gcc >4.3 allows compiling with '--with-pkgversion' ( which can be everything 'My Cool Gcc' or something )
> ver_linux will report random junk for these.

gcc sometimes looks like an anti-Linux plot.

> Simply use 'gcc -dumpversion' to get the gcc version which should always work.
> 
> Signed-off-by: Gabriel C <nix.or.die@...glemail.com>
> ---
> 
> Andrew sorry to bug you about that but
> I have no clue how is maintaining scripts/*

Depends on the script, really.  Most of them are Sam stuff.

>  scripts/ver_linux |    5 +----
>  1 files changed, 1 insertions(+), 4 deletions(-)
> 
> diff --git a/scripts/ver_linux b/scripts/ver_linux
> index ab69ece..7ac0e30 100755
> --- a/scripts/ver_linux
> +++ b/scripts/ver_linux
> @@ -12,12 +12,9 @@ echo ' '
>  uname -a
>  echo ' '
>  
> -gcc --version 2>&1| head -n 1 | grep -v gcc | awk \
> +gcc -dumpversion 2>&1| awk \
>  'NR==1{print "Gnu C                 ", $1}'
>  
> -gcc --version 2>&1| grep gcc | awk \
> -'NR==1{print "Gnu C                 ", $3}'
> -
>  make --version 2>&1 | awk -F, '{print $1}' | awk \
>        '/GNU Make/{print "Gnu make              ",$NF}'

including this one, I believe.
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