linux-kernel - Re: [PATCH 05/19] kbuild: document cc-fullversion

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Date:	Sun, 3 Jun 2007 15:34:19 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	kbuild-devel@...ts.sourceforge.net
Subject: Re: [PATCH 05/19] kbuild: document cc-fullversion

On Sun, 3 Jun 2007 22:46:03 +0200 Sam Ravnborg wrote:

> Subject: [PATCH 05/19] kbuild: document cc-fullversion
> From: Sam Ravnborg <sam@...nborg.org>
> Date: Mon, 28 May 2007 22:26:55 +0200
> 
> Signed-off-by: Sam Ravnborg <sam@...nborg.org>
> ---
>  Documentation/kbuild/makefiles.txt |   14 ++++++++++++++
>  1 files changed, 14 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
> index bb5306e..c6d9a35 100644
> --- a/Documentation/kbuild/makefiles.txt
> +++ b/Documentation/kbuild/makefiles.txt
> @@ -501,6 +501,20 @@ more details, with real examples.
>  	The third parameter may be a text as in this example, but it may also
>  	be an expanded variable or a macro.
>  
> +    cc-fullversion
> +	cc-fullversion is usefull when the exact version of gcc is needed.

                          useful

> +	One typical use-case is when a specific GCC version is broken.
> +	cc-fullversion points out a more specific version than cc-version does.
> +
> +	Example:
> +		#arch/powerpc/Makefile
> +		$(Q)if test "$(call cc-fullversion)" = "040200" ; then \
> +			echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \
> +			false ; \
> +		fi
> +
> +	In this example for a specific GCC version the build will error out explaining
> +	the user why it stops.

        to the user why  it stops.
>  
>  === 4 Host Program support
>  
> -- 

---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
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