Date: Mon, 19 Mar 2012 17:41:15 -0700 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Baptiste Daroussin <bapt@FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: ABI/architecture identification for packages Message-ID: <4F67D22B.2040003@freebsd.org> In-Reply-To: <20120319213508.GA1692@azathoth.lan> References: <20120319213508.GA1692@azathoth.lan>
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On 03/19/12 14:35, Baptiste Daroussin wrote: > Hi all, > > In order to identify architectures I need to find a uniq id for every > possibilities (for pkgng) > > here is the identification I propose: > > arch-class-os-majorversion(-archi_specific_extension) > > arch can be one of the following: > > - x86 for i386 and amd64 (discussed with kib) > - powerpc for powerpc and powerpc64 > - arm > - mips > - sparc > > class may be: > - 32 bits > - 64 bits > > os will always be freebsd :) (lower case) > > majorversion the freebsd major version (10 9 8) > > achi_specific_extension currently only mips and arm are concerned, > for arm could be: > el_oabi > eb_oabi > el_eabi > eb_eabi > One brief comment here: the output of uname -p (arm, armeb, etc.) is meant to encode the ABI completely. All platforms with the same uname -p should be able to execute each other's binaries. Why not just a sequence of `uname -p`-`uname -s`-`uname -r` (or some subset of uname -r)? That should be enough to completely encode compatibility information on almost any operating system. -Nathan
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