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Date:      Thu, 8 Mar 2001 10:26:58 +0100
From:      Jeroen Ruigrok/Asmodai <asmodai@wxs.nl>
To:        Peter Wemm <peter@netplex.com.au>
Cc:        Kris Kennaway <kris@obsecurity.org>, Jordan Hubbard <jkh@osd.bsdi.com>, jkh@FreeBSD.org, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: -march considered harmful? (Re: cvs commit: src/etc/defaults make.conf)
Message-ID:  <20010308102658.C7727@daemon.ninth-circle.org>
In-Reply-To: <200103071111.f27BB3h75683@mobile.wemm.org>; from peter@netplex.com.au on Wed, Mar 07, 2001 at 03:11:03AM -0800
References:  <20010307015756.A36829@mollari.cthul.hu> <200103071111.f27BB3h75683@mobile.wemm.org>

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-On [20010307 22:00], Peter Wemm (peter@netplex.com.au) wrote:
>I just read the warning text, and IMHO it goes *way* over the top.
>There is no corresponding warning about using -O2 in CFLAGS, for example,
>and we *know* that -O2 does break things.

Sorry?

/etc/defaults/make.conf:

# CFLAGS controls the compiler settings used when compiling C code.
# Note that optimization settings above -O (-O2, ...) are not recommended
# or supported for compiling the world or the kernel - please revert any
# nonstandard optimization settings to "-O" before submitting bug reports
# to the developers.
# Note also that at this time the -O2 setting is known to produce BROKEN
# CODE on the Alpha platform.

I found that pretty explicit.

-- 
Jeroen Ruigrok vd Werven/Asmodai    asmodai@[wxs.nl|bart.nl|freebsd.org]
Documentation nutter/C-rated Coder BSD: Technical excellence at its best  
	  D78D D0AD 244D 1D12 C9CA  7152 035C 1138 546A B867
I'm a child of the air, I'm a witch of the wind...

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