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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--5vNYLRcllDrimb99 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 --5vNYLRcllDrimb99 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBkBHwWry0BWjoQKURAlE7AKCzywb6z5rrBDtuWE3NbBVTJB/WJACg/ju2 xKzpZD05IxDcHV6jcgnvzco= =VsY1 -----END PGP SIGNATURE----- --5vNYLRcllDrimb99--
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