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Date:      Mon, 8 Nov 2004 16:40:16 -0800
From:      Kris Kennaway <kris@obsecurity.org>
To:        Colin Percival <colin.percival@wadham.ox.ac.uk>
Cc:        current@freebsd.org
Subject:   Re: RFC: Building libstdc++ with -frandom-seed=RepeatabilityConsideredGood
Message-ID:  <20041109004016.GA75212@xor.obsecurity.org>
In-Reply-To: <41900FE6.1060602@wadham.ox.ac.uk>
References:  <41900FE6.1060602@wadham.ox.ac.uk>

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On Tue, Nov 09, 2004 at 12:31:34AM +0000, Colin Percival wrote:
> I would like to add the following line to lib/libstdc++/Makefile:
>=20
> CFLAGS+=3D	-frandom-seed=3DRepeatabilityConsideredGood
>=20
> This is a new option in gcc 3.4 which allows a string to be specified
> (in this case, the string "RepeatabilityConsideredGood") which will be
> used as a random number seed in place of the usual behaviour (obtaining
> a seed from the clock).

Why does libstdc++ think it needs randomness in its' build?  i.e. what
is the impact of making it not random?

Kris

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