linux-kernel - Re: PATCH: Add --size-check=[error|warning]

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Message-Id: <4D7E166C0200007800036451@vpn.id2.novell.com>
Date:	Mon, 14 Mar 2011 12:21:48 +0000
From:	"Jan Beulich" <JBeulich@...ell.com>
To:	<sedat.dilek@...il.com>
Cc:	"Ingo Molnar" <mingo@...e.hu>, <amodra@...il.com>,
	"H.J. Lu" <hjl.tools@...il.com>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"binutils" <binutils@...rceware.org>,
	"LKML" <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: PATCH: Add --size-check=[error|warning]

>>> On 14.03.11 at 12:52, Sedat Dilek <sedat.dilek@...glemail.com> wrote:
> On Mon, Mar 14, 2011 at 12:38 PM, Sedat Dilek
> <sedat.dilek@...glemail.com> wrote:
>> [ Changing Alan's Email to valid <amodra@...il.com> in CC ]
>>
>> On Mon, Mar 14, 2011 at 12:26 PM, Jan Beulich <JBeulich@...ell.com> wrote:
>>>>>> On 14.03.11 at 12:02, Sedat Dilek <sedat.dilek@...glemail.com> wrote:
>> [...]
>>>> [2] Where can someone set a "global behaviour" (hardcoded options) for
>>>> his/her assembler in the kernel's build-system (speaking of
>>>> "--size-check=[error|warning]")?
>>>
>>> Nowhere, selecting behavior is possible only via the command line.
>>>
>>
>> Via command-line, something like this would do it?
>>
>>     $ export AS="/usr/bin/as --size-check=warning
>> [...]

No - $(AS) isn't being used to translate .S files, $(CC) is being used
instead. That's why I pointed at the necessary -B option (so that
the compiler would be able to locate the wrapper H.J. suggested).

> By looking through the binutils source-code, I have seen ASFLAGS.
> 
>      $ ASFLAGS="--size-check=warning" ; export ASFLAGS

Where did you find that? All places where I see references to this
variable are in the testsuite.

Jan

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