lkml.org 
[lkml]   [2011]   [Jul]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH] kbuild: honor the ARCH setting of the existing configuration
From
On Sun, July 31, 2011 3:34 pm, David Woodhouse wrote:
> On Sun, 2011-07-31 at 18:07 -0400, Arnaud Lacombe wrote:
>> I think you totally miss the point of the patch as you keep being
>> self-centered on x86.
>
> I'm focusing on x86 at the moment because x86 is the only architecture
> that's *broken* in this respect. The other architectures that you
> mention below, where they support 64-bit kernels, all work fine with
> only *one* ARCH= setting covering all configurations. It's only x86
> where we haven't actually *finished* the merge.
>
>> I am working with configuration for mips, sh, powerpc, arm and x86.
>> Some of them are for real board, some of them are to regress-test
>> compilers, binutils and kernel builds. Each of those config hardcode
>> the CROSS_COMPILER string and have their own build directory. In each
>> case, I want to be able to just run "make O=/src/obj/v3.0-arm
>> oldnoconfig all" without having to worry about anything else.
>
> Yes, that's a valid but *separate* problem. FWIW I usually solve this
> problem with a two-line GNUmakefile:
> ARCH := arm
> include Makefile
>
> I haven't checked whether it works for out-of-source-tree builds; I bet
> it could be made to.
>
> I would love to see $ARCH turned into a proper configuration option.

I don't object in principle, but I'm expecting to have to modify/update
multiple *working* scripts as a result. But of course this won't be
the first time and I don't expect it to be the last time either.
[signed: eeyore]


--




\
 
 \ /
  Last update: 2011-08-01 04:07    [from the cache]
©2003-2011 Jasper Spaans