linux-kernel - Re: [PATCH] kbuild: Disallow GCC 4.1.0 / 4.1.1

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Message-ID: <20090102182248.GC10072@elte.hu>
Date:	Fri, 2 Jan 2009 19:22:48 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	David Miller <davem@...emloft.net>, akpm@...ux-foundation.org,
	rdreier@...co.com, ian.campbell@...rix.com,
	jeremy.fitzhardinge@...rix.com, deller@....de,
	rusty@...tcorp.com.au, linux-parisc@...r.kernel.org,
	linux-kernel@...r.kernel.org, kyle@...artin.ca, randolph@...sq.org,
	dave@...uly1.hia.nrc.ca
Subject: Re: [PATCH] kbuild: Disallow GCC 4.1.0 / 4.1.1


* Sam Ravnborg <sam@...nborg.org> wrote:

> > And it all looks more logical too, imho.
> 
> Bugger....
> Now I cannot do cross compile for: alpha, arm, m68k and sparc.

hm, i just did a successful cross-build from x86 to alpha:

  KSYM    .tmp_kallsyms2.S
  AS      .tmp_kallsyms2.o
  LD      vmlinux
  SYSMAP  System.map
  SYSMAP  .tmp_System.map

  phoenix:~/linux/linux> head -6 /dev/shm/tip/build/.config 
  #
  # Automatically generated make config: don't edit
  # Linux kernel version: 2.6.28
  # Fri Jan  2 19:28:14 2009
  #
  CONFIG_ALPHA=y

with these commits present:

  f9d1425: Disallow gcc versions 4.1.{0,1}
  f153b82: Sanitize gcc version header includes

what type of cross-build breakage do they cause?

	Ingo
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