Date: Fri, 30 Jan 2009 05:44:00 +1100 From: Peter Jeremy <peterjeremy@optushome.com.au> To: Bakul Shah <bakul@bitblocks.com> Cc: freebsd-hackers@freebsd.org Subject: Re: critical floating point incompatibility Message-ID: <20090129184400.GI1755@server.vk2pj.dyndns.org> In-Reply-To: <20090128192421.C9E3D5B13@mail.bitblocks.com> References: <20071220093950.GA79196@server.vk2pj.dyndns.org> <20071221181125.0B6F25B42@mail.bitblocks.com> <20071221201633.GM57756@deviant.kiev.zoral.com.ua> <200901261651.29116.jhb@freebsd.org> <20090128192421.C9E3D5B13@mail.bitblocks.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--6Vw0j8UKbyX0bfpA Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2009-Jan-28 11:24:21 -0800, Bakul Shah <bakul@bitblocks.com> wrote: >On a mac, cc -m64 builds 64 bit binaries and cc -m32 builds >32 bit binaries. The following script makes it as easy to do >so on a 64 bit FreeBSD -- at least on the few programs I >tried. Ideally the right magic needs to be folded in gcc's >builtin "specs". > >#!/bin/sh >args=3D/usr/bin/cc >while [ ".$1" !=3D . ] >do > a=3D$1; shift > case $a in > -m32) args=3D"$args -B/usr/lib32 -I/usr/include32 -m32";; > *) args=3D"$args $a";; > esac >done >$args You also need to manually populate /usr/include32 since it doesn't exist by default and may still get bitten by stuff in /usr/local/include. Do you have a script (or installworld patches) to do this? amd64/112215 includes a first attempt at updating the gcc specs (though it's missing the include handling), as well as some of the remaining problems. >Ideally x86_64 platforms run *all* i386 programs (that don't >depend on a 32 bit kernel). Agreed. --=20 Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. --6Vw0j8UKbyX0bfpA Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.10 (FreeBSD) iEYEARECAAYFAkmB+PAACgkQ/opHv/APuIcQMwCgu3oFCnRIbPUZvQR51+2mZbJz I+gAmwW0xoTQ/arjlwpqcDISBwrBQZe6 =du2O -----END PGP SIGNATURE----- --6Vw0j8UKbyX0bfpA--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20090129184400.GI1755>