Date: Sun, 14 Aug 2005 22:54:18 +0200 From: Roland Smith <rsmith@xs4all.nl> To: "O. Hartmann" <ohartman@mail.uni-mainz.de> Cc: freebsd-amd64@freebsd.org Subject: Re: gcc compiler option -m64 Message-ID: <20050814205418.GB60825@slackbox.xs4all.nl> In-Reply-To: <42FFA9D8.7010504@mail.uni-mainz.de> References: <42FFA9D8.7010504@mail.uni-mainz.de>
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--EuxKj2iCbKjpUGkD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Aug 14, 2005 at 10:30:16PM +0200, O. Hartmann wrote: > Hello. > To make ist short: On my box (Athlon64 based machine) I run a FBSD=20 > 6.0Beta2 with no 32Bit support and I hope (but do not exactly know) the= =20 > machine is 64Bit only that way without any 32Bit compatibilty. I think the install CD doesn't come with 32bit stuff. If you want to be absolutely sure, add NO_LIB32=3Dtrue to /etc/make.conf and rebuild the system. You can check the state of binaries with the file command: $ file /bin/dd /bin/dd: ELF 64-bit LSB executable, AMD x86-64, version 1 (FreeBSD),=20 for FreeBSD 5.4-CURRENT (rev 2), dynamically linked (uses shared libs),=20 stripped To find all 32-bit binaries on your system: find / -perm -100 -type f|xargs file|grep 32-bit|more > I see in some compiler hints this undocumented '-m32' or '-m64' option=20 > of gcc(1) (undocumented that way as I can not find it in the man pages)= =20 It is documented in the gcc info files. The GNU people in general don't like manpages. > . On SPARC64 systems, the system's default gcc compiler implies '-m64'.= =20 > Is this also true for AMD64 FreeBSD 6.X? Yes. --=20 R.F.Smith (http://www.xs4all.nl/~rsmith/) Please send e-mail as plain text. public key: http://www.xs4all.nl/~rsmith/pubkey.txt --EuxKj2iCbKjpUGkD Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFC/696EnfvsMMhpyURAi+9AJ9x9sR6wkgxeP9K2ziKdmQ0ipHHLQCeNfOm 0mcXiebh/HzHbwL/J4CF43o= =qaJ6 -----END PGP SIGNATURE----- --EuxKj2iCbKjpUGkD--
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