linux-kernel - Re: Add '-fwrapv' to gcc CFLAGS

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Message-ID: <alpine.LFD.2.00.0903191550100.3030@localhost.localdomain>
Date:	Thu, 19 Mar 2009 15:50:42 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Sam Ravnborg <sam@...nborg.org>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	git-commits-head@...r.kernel.org,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: Add '-fwrapv' to gcc CFLAGS



On Thu, 19 Mar 2009, Sam Ravnborg wrote:
> 
> Path is buggy.
> We have several architectures that plays strange games with $(CC)
> and $(CROSS_COMPILE).

Argh. It looked obvious, and worked for me, but..

> So we need to postpone any use of $(call cc-option..)
> until we have included the arch specific Makefile so
> we try with the correct $(CC) version.
> 
> If you move it below the include at around line 530 you
> should be safe.

Will do.

		Linus
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