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From: Warner Losh <imp@bsdimp.com>
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Cc: "arm@freebsd.org" <arm@freebsd.org>
Subject: Re: ports cross-compilers vs. native toolchain
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On Mar 3, 2012, at 12:03 PM, Tim Kientzle wrote:

> On Mar 3, 2012, at 12:17 AM, Stanislav Sedov wrote:
>=20
>> On Jan 18, 2012, at 9:49 PM, Tim Kientzle <tim@kientzle.com> wrote:
>>=20
>>> I'm trying to build a customized u-boot (so that I can
>>> add the bootelf command, which is needed to chain
>>> Rafa=C5=82's ubldr version of loader(8)).=20
>>=20
>> You can use arm-rtems-gcc or build one with arm/eabi settings to =
build
>> uboot.  Personally, I've been using the rtems gcc port.  The uboot is
>> a freestanding application, so it does not need FreeBSD libs tool =
chain to
>> build and work.
>=20
> Actually, I've since managed to build u-boot with the xdev
> toolchain.  There were two issues:
>=20
> 1) "gcc --print-file-name=3Dinclude"=20
>=20
> About a week ago, I committed a fix to FreeBSD-CURRENT
> so it now supports this.
>=20
> 2) Missing div/mod functions in ARM libgcc.
>=20
> You can work around this by adding -lc to a couple
> of places in the u-boot makefiles.  I'm also looking into
> a fix for FreeBSD libgcc.  (Looks like these functions
> were disabled deliberately?  I'm still digging.)

Perhaps.  The arm stuff has been fairly minimal for a number of reasons =
that likely no longer make sense...

Warner