Date: Thu, 26 Jun 2008 15:51:40 -0500 From: Tim Daneliuk <tundra@tundraware.com> To: Kris Kennaway <kris@FreeBSD.org>, FreeBSD Mailing List <freebsd-questions@FreeBSD.org> Subject: Re: Making World For amd64 Message-ID: <4864015C.7010805@tundraware.com> In-Reply-To: <4863FC2A.5040909@FreeBSD.org> References: <4863F317.6010701@tundraware.com> <4863F4A7.1070909@FreeBSD.org> <4863F5A3.6050209@tundraware.com> <4863FC2A.5040909@FreeBSD.org>
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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, -- ---------------------------------------------------------------------------- Tim Daneliuk tundra@tundraware.com PGP Key: http://www.tundraware.com/PGP/
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