Date: Wed, 11 Sep 2013 14:56:44 -0500 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Warner Losh <imp@bsdimp.com> Cc: "freebsd-arm@freebsd.org" <arm@freebsd.org>, embedded@freebsd.org, freebsd-embedded@freebsd.org Subject: Re: CVS commit: src/lib/csu Message-ID: <5230CAFC.3060503@freebsd.org> In-Reply-To: <18371758-4A05-4C7B-AF7B-AD07AC9529F0@bsdimp.com> References: <24478.1378868144@splode.eterna.com.au> <38D6DE4E-C4E3-4239-A198-51D6AC7711AC@bsdimp.com> <20130911092115.139716ce@bender.Home> <201309111049.51003.jhb@freebsd.org> <18371758-4A05-4C7B-AF7B-AD07AC9529F0@bsdimp.com>
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On 09/11/13 14:51, Warner Losh wrote: > On Sep 11, 2013, at 8:49 AM, John Baldwin wrote: > >> On Wednesday, September 11, 2013 4:21:15 am Andrew Turner wrote: >>> On Tue, 10 Sep 2013 21:12:51 -0600 >>> Warner Losh <imp@bsdimp.com> wrote: >>> >>>> Perhaps we should do it too... I also like this elf-notes.html idea >>>> too... >>> Something like the patch I've attached from the thread at [1]? It adds >>> a MACHINE_ARCH note type. >> bapt@ will want this for pkgng. It might be nice to go whole hog and store >> the entire triple (MACHINE, MACHINE_ARCH, MACHINE_CPUARCH). > MACHINE is just the kernel interface, might be only mildly useful to pkgng. > MACHINE_ARCH is useful since it uniquely defines the ABI we're using, by definition. > MACHINE_CPUARCH can be derived from MACHINE_ARCH and isn't actually useful to pkgng at all. It is a build-time value to select which files from our tree to build with. > > Warner > So the last time we had this discussion, the consensus was that we add a sysctl with the list of all supported emulations in terms of MACHINE_ARCH. This is probably about 10 minutes of work aside from how to handle Linux emulations. Is this worth doing for 10.0? -Nathan
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