Date: Thu, 26 Jun 2008 16:34:24 -0500 From: Tim Daneliuk <tundra@tundraware.com> To: Kris Kennaway <kris@freebsd.org> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: Making World For amd64 Message-ID: <48640B60.9060907@tundraware.com> In-Reply-To: <48640AB9.9000303@tundraware.com> References: <4863F317.6010701@tundraware.com> <4863F4A7.1070909@FreeBSD.org> <4863F5A3.6050209@tundraware.com> <4863FC2A.5040909@FreeBSD.org> <4864015C.7010805@tundraware.com> <48640A12.3000108@FreeBSD.org> <48640AB9.9000303@tundraware.com>
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Tim Daneliuk wrote: > Kris Kennaway wrote: >> Tim Daneliuk wrote: >>> 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? >> It always uses the native format. amd64 == 64 bit, i386 == 32 bit > > Don't mean to beat this to death, but can you say just a bit more > about this please. If I am running an i386 kernel on 64-bit capable > processor, I assume I will get 32-bit binaries or not? IOW, what > triggers makeworld to do something in 32- vs. 64-bit mode? The > *kernel* currently executing or the underlying hardware capability? > > Let me be even more specific: If I install 32-bin x86 FreeBSD on, say, a Pentium D machine that is 64-bit capable, when I makeworld, will this result in 32- or 64-bit binaries? Ditto if I do makekernel. -- ---------------------------------------------------------------------------- Tim Daneliuk tundra@tundraware.com PGP Key: http://www.tundraware.com/PGP/
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