Re: [gentoo-alt] ld wrapper and cross-binutils

[Fabian Groffen]

I (semi intentionally) dropped cross support from the "rewrite", for it
was too complex for me to understand.  Care to share your patch so I can
look at merging it?

Thanks,
Fabian

On 03-04-2016 18:18:06 +0200, Michael Weiser wrote:
> Hi again, ;)
>
> I'm once again looking into building cross toolchains on OS X using
> Prefix and crossdev. Thanks to his Greg's patch to crossdev at
> https://github.com/gmt/crossdev-prefix-compat-fixes/tree/master/portage_diffs
> I have a much less bleak outlook on trying than last time. I haven't got
> a working toolchain yet but want to share my experiences early so I
> don't waste time on things that can never work.
>
> For now I ran into one quite basic problem: The ld wrapper from
> binutils-config-5 does not support distinguishing between CHOST and
> CTARGET. So after successfully installing e.g.
> cross-arm-something-or-other/binutils it will report
>
> michael@osx1011:~ # arm-something-or-other-ld
> sh: binutils-config: command not found
> arm-something-or-other-ld: failed to locate the real ld!
>
> dtruss -n ld show that it's looking for
> EPREFIX/usr/CHOST/binutils-bin/CURRENT-from-etc-env.d-bintuils-config-CHOST/arm-something-or-other-ld
> which obviously is quite wrong.
>
> I've generated a patch that makes ldwrapper look at all the config-*
> files in /etc/env.d/binutils and compare their names to the name it was
> called with. If a match is found the name of that config is used as
> CTARGET for constructing paths to ld which makes the above call work as
> expected.
>
> Would there be any interest in adding this functionality to Prefix?
> --
> Micha
> Dagegen!
>

-- 
Fabian Groffen
Gentoo on a different level