Re: Is it feasible to cross-build compat5x binary?

From: Ruslan Ermilov (ru_at_FreeBSD.org)
Date: 10/27/05

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    Date: Thu, 27 Oct 2005 22:57:14 +0300
To: "M. Warner Losh" <imp@bsdimp.com>

    On Tue, Oct 25, 2005 at 11:23:23PM -0600, M. Warner Losh wrote:
    > I know that cross builds for i386 from amd64 work well enough.
    > However, we[*] was unable to get a full cross build for i386 world
    > seutp on my amd64 machine when last I tried.
    >
    I use it on a regular basis:

    $ uname -srnm
    FreeBSD hammer.runet 7.0-CURRENT amd64

    $ uname -srnmv
    FreeBSD lurker.runet 7.0-CURRENT FreeBSD 7.0-CURRENT #11: Fri Oct 14 10:05:37 EEST 2005 ru@hammer.runet:/usr/obj/i386/usr/src/sys/LURKER i386

    I NFS-mount /, /usr, and /var file systems from i386 to amd64,
    and do everything from amd64, inluding installworld,
    installkernel, and distribution, with TARGET_ARCH=i386 and
    DESTDIR=/mnt.

    make __MAKE_CONF=/dev/null \
        TARGET_ARCH=i386 \
        -DNO_PROFILE KERNCONF=LURKER \
        -DNO_CLEAN \
        buildworld buildkernel

    NFS-mount /, /usr, and /var on /mnt.

    make __MAKE_CONF=/dev/null \
        TARGET_ARCH=i386 \
        -DNO_PROFILE KERNCONF=LURKER \
        -DNO_CLEAN \
        DESTDIR=/mnt \
        installworld installkernel

    mkdir /mnt/var/tmp/`date +%Y%m%d`

    make __MAKE_CONF=/dev/null \
        TARGET_ARCH=i386 \
        -DNO_PROFILE KERNCONF=LURKER \
        -DNO_CLEAN \
        DESTDIR=/mnt/var/tmp/`date +%Y%m%d` \
        distrib-dirs distribution

    (Sorry, I don't use mergemaster(8) at all.)

    Cheers, 

    -- 
Ruslan Ermilov
ru@FreeBSD.org
FreeBSD committer

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