Date: Thu, 26 Jun 2008 16:55:58 -0400 From: "Sean Cavanaugh" <Millenia2000@hotmail.com> To: "Tim Daneliuk" <tundra@tundraware.com>, "Kris Kennaway" <kris@FreeBSD.org>, "FreeBSD Mailing List" <freebsd-questions@FreeBSD.org> Subject: Re: Making World For amd64 Message-ID: <BAY126-DS63DEEA0BB2D50DB65A546CAA30@phx.gbl> In-Reply-To: <4863F317.6010701@tundraware.com> <4863F4A7.1070909@FreeBSD.org><4863F5A3.6050209@tundraware.com> <4863FC2A.5040909@FreeBSD.org> <4864015C.7010805@tundraware.com> References: <4863F317.6010701@tundraware.com> <4863F4A7.1070909@FreeBSD.org><4863F5A3.6050209@tundraware.com> <4863FC2A.5040909@FreeBSD.org> <4864015C.7010805@tundraware.com>
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-------------------------------------------------- From: "Tim Daneliuk" <tundra@tundraware.com> Sent: Thursday, June 26, 2008 4:51 PM To: "Kris Kennaway" <kris@FreeBSD.org>; "FreeBSD Mailing List" <freebsd-questions@FreeBSD.org> Subject: Re: Making World For amd64 > Kris Kennaway wrote: >> Tim Daneliuk wrote: >>> Kris Kennaway wrote: >>>> Tim Daneliuk wrote: >>>>> Is there anything special one has to do when doing a make world >>>>> intended for 64-bit FreeBSD or is it sufficient to build the 64-bit >>>>> kernel and make world as everywhere else? >>>> The same as everywhere else. >>>> >>>> Kris >>> >>> So, I take it that this means that all the userspace programs, ports, >>> packages, utilities, etc. do *not* take advantage of the 64-bit >>> extensions. That is, only the kernel gets the benefit of the >>> wider word. Is that correct? >>> >> >> No, everything is 100% native. >> >> Kris >> > > OK, these may be really stupid questions but: > > 1) How does make world know whether to build 32-bit or 64-bit binaries? > > 2) Can a binary from a 32-bit FreeBSD system be run unmodified on the > 64-bit system? > > 3) If I reboot with 32-bit or 64-bit kernels, does the system magically > somehow make the userland stuff work natively at the word width? > If so, how? > > TIA, I take this to mean you have an i386 install and want to compile amd64 on it.
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