Date: Thu, 26 Jun 2008 23:53:03 +0200 From: Kris Kennaway <kris@FreeBSD.org> To: Tim Daneliuk <tundra@tundraware.com> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: Making World For amd64 Message-ID: <48640FBF.4010006@FreeBSD.org> In-Reply-To: <48640B60.9060907@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> <48640B60.9060907@tundraware.com>
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Tim Daneliuk wrote: > 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. > 32
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