Date: Mon, 05 Mar 2012 16:53:14 +0000 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: freebsd-questions@freebsd.org Subject: Re: port to package amd64 to i386 Message-ID: <4F54EF7A.2030109@infracaninophile.co.uk> In-Reply-To: <4F54ED12.1090409@bananmonarki.se> References: <4F547C59.1040604@bananmonarki.se> <4F548571.1050203@gmail.com> <4F54ED12.1090409@bananmonarki.se>
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On 05/03/2012 16:42, Bernt Hansson wrote:
>=20
> Thank you for the pointer. I do find it a bit overkill to setup jails
> and such, just to build a few ports. I was thinking more along the line=
of;
>=20
> cd /usr/ports/"random port"
>=20
> make "it for i386 even if we are building it on amd64, ooh by the way
> build it as a package, and all dependencies as packages as well"
>=20
> Oh man, man ports. But I do not find the flag
> -build-for-another-system-cpu-whatever
>=20
> Can the ports system be (ab)used in that way?
In general, no. There may be some ports that you could cross-compile,
but that depends on the upstream software having support for cross
compilation (basically allowing "--target foo" into the compilation
flags.) Even if you fix that you're going to run into difficulties as
soon as you try and compile a port that depends on shared libraries from
another port. I don't think there's any mechanism for installing 32-bit
shlibs into ${LOCALBASE}/lib32 from packages.
Oh, and making packages is potentially a mine field, as you need to
install the port in order to package it.
About the only way to cross-build ports is to set up a 32-bit jail on a
64-bit host. I believe that is do-able, but I could be delusional.
Cheers,
Matthew
--=20
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
JID: matthew@infracaninophile.co.uk Kent, CT11 9PW
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