Date: Tue, 7 Mar 2023 16:04:22 -0800 From: Mel Pilgrim <list_freebsd@bluerosetech.com> To: Dan Langille <dan@langille.org> Cc: ports@freebsd.org, questions@freebsd.org Subject: Re: How do I determine the ABI string used by pkg? Message-ID: <e21a76b6-8f91-754e-d655-9f469ecc28f1@bluerosetech.com> In-Reply-To: <257260d9-1812-3ce5-5d9a-907e2b1ec13e@langille.org> References: <32d2e376-3f89-0588-316d-801d4cbf0b44@bluerosetech.com> <20230306075622.xfzs33fmflc2vmtb@aniel.nours.eu> <257260d9-1812-3ce5-5d9a-907e2b1ec13e@langille.org>
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On 2023-03-07 9:09, Dan Langille wrote: > Baptiste Daroussin wrote on 3/6/23 2:56 AM: >> On Wed, Mar 01, 2023 at 11:50:13PM -0800, Mel Pilgrim wrote: >>> I need to determine the ABI string pkg uses on a given system, and need to >>> do so when there are no pkgs installed. >> pkg config ABI >> pkg config ALTABI > > When run in a freshly-created jail: > > [r730-01 dvl ~] % sudo jexec empty_tester > root@:/ # pkg config ABI > FreeBSD:13:amd64 > root@:/ # pkg config ALTABI > freebsd:13:x86:64 > root@:/ # > > Mel: I think this is what you wanted to get? Your freshly-created jail has pkg installed. `pkg config ABI` only works if pkg has been bootstrapped. Getting the ABI string with just the /usr/sbin/pkg stub available is another thing entirely, even though that stub program necessarily has the code to determine the ABI string. I ended up writing a small program that replicates the ELF-divining logic in pkg and prints the value of ABI. IMO the stub should have the `pkg config ABI` functionality added to it, but I'm probably alone in thinking that would be useful.
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