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Date:      Mon, 18 May 2009 18:36:15 -0400 (EDT)
From:      Daniel Eischen <deischen@freebsd.org>
To:        xorquewasp@googlemail.com
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: bootstrapping gnat GCC on amd64
Message-ID:  <Pine.GSO.4.64.0905181828110.20749@sea.ntplx.net>
In-Reply-To: <20090518084831.GA95354@logik.internal.network>
References:  <20090504185644.GA16315@logik.internal.network> <Pine.GSO.4.64.0905041459500.16666@sea.ntplx.net> <20090505005128.GA4519@logik.internal.network> <Pine.GSO.4.64.0905042052320.16666@sea.ntplx.net> <20090505022151.GA32477@logik.internal.network> <Pine.GSO.4.64.0905042224180.16666@sea.ntplx.net> <20090506140325.GA69468@logik.internal.network> <Pine.GSO.4.64.0905061043420.26946@sea.ntplx.net> <20090506152222.GC69468@logik.internal.network> <20090508211022.GA37475@logik.internal.network> <20090518084831.GA95354@logik.internal.network>

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On Mon, 18 May 2009, xorquewasp@googlemail.com wrote:

> Hi.
>
> After a week off, another update:
>
> I've realised, too late, that I'm using a version of binutils
> (2.19) that's incompatible with the system binutils (2.15).
> Specifically, assembler code emitted by the native GNAT contains
> .cfi_personality directives (and no doubt other things too) that
> can't be processed by the system 'as'.
>
> I've got two choices now and would appreciate some advice on
> which to take given that I want to produce a FreeBSD port:
>
>  1. Compile binutils-2.15.
>
>  Unfortunately, compiling these as cross-binutils appear to be problematic:

Hmm, if the system binutils is 2.15, then it should build
as a cross.  You can do a cross build of all FreeBSD - I
think you just set TARGET="amd64" to build amd64 from
a different arch.  Part of this process should be to
create a cross binutils toolset.

>  2. Continue to use binutils-2.19.
>
>  This would appear to require me to create a binutils-2.19 port
>  just for the GNAT compiler. Seems like it would be preferable
>  to use the system binutils rather than to take this route...

Well, I used a newer binutils on sparc when I did the original
port.  Once I built the cross compiler and binutils toolset,
I was done with it.  After the native compiler is built using
the cross tools, you should be able to rebuild the native
compiler _again_ but this time with the system (amd64)
binutils.

-- 
DE



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