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Date: Sun, 28 Aug 2005 17:09:47 +0200
From: Rene Ladan <r.c.ladan@student.tue.nl>
To: Boris Samorodov <bsam@ipt.ru>
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Cc: stable@freebsd.org
Subject: Re: 6.0 and -O2 option
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On Sun, Aug 28, 2005 at 04:30:19PM +0400, Boris Samorodov wrote:
> Hi!
>=20
>=20
> As for 5.x notes about -O2 (libalias, gcc) were removed at revision
> 1.229.2.7 of /usr/src/share/examples/etc/make.conf. But for 6.0-BETA3
> we do have these warnings. Should they be removed as for 5.x? Is it
> safe to use -O2 to build/install kernel, world, ports fro 6.0?
>=20
Kernel and world seem to be ok with -O2, for ports it is not advised.
I have this in /etc/make.conf:

# -- all -- #
=2Eif ${.CURDIR:M/usr/src*}
CFLAGS=3D-O2 -pipe
=2Eelse
CFLAGS=3D-O -pipe
=2Eendif

CPUTYPE?=3Dpentium3

# -- ports -- #
WITH_OPTIMIZED_CFLAGS=3Dyes

So kernel and world (which source lives in /usr/src) are built with -O2,
while anything else is built with -O.  Some ports allow optimized
compiler flags with WITH_OPTIMIZED_CFLAGS.

> WBR
> --=20
> bsam
>
Regards,
Rene
--=20
GPG fingerprint =3D 5FFA 3959 3377 C697 8428  24D0 BF3E F4A9 AE33 5DCC

"It won't fit on the line."
		-- me, 2001

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