linux-kernel - Re: [PATCH] Make m68k cross compile like every other architecture.

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Date:	Fri, 12 Oct 2007 17:54:30 +1000 (EST)
From:	Finn Thain <fthain@...egraphics.com.au>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
cc:	Rob Landley <rob@...dley.net>, Sam Ravnborg <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux/m68k <linux-m68k@...r.kernel.org>
Subject: Re: [PATCH] Make m68k cross compile like every other architecture.

> 
> If your cross-compiler is called differently than the default on in 
> arch/*/Makefile,

Part of the problem is that there is no compelling default. The name of 
the cross-compiler can vary depending on the chosen executable prefix or 
the chosen target tuple.

Let's say I create new cross toolchains for both m68k and powerpc. I use 
the "m68k-linux-gnu" to follow the m68k default, but let's assume powerpc 
users prefer their default "powerpc-linux" so I follow that too. The 
result is that I now have gcc's -B option working (or not working) in 
suprising ways too.

Uniformity is more helpful downstream than a different arbitrary default 
for each architecture. Debian should patch their default into their kernel 
source packages if they've standardised on cross compiler prefixes.

> what's the problem with calling?
> 
>     make ARCH=myarch CROSS_COMPILE=my-cross-compile-prefx-
> 
> This has been working for +10 years on all non-ia32 platforms I ever worked on.

But there is no problem with calling that (?). Rob's patch doesn't change 
this.

-f

> 
> Gr{oetje,eeting}s,
> 
> 						Geert
> 
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