From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Initial cross-compilation support
Date: Thu, 28 Mar 2013 23:41:34 +0100
Message-ID: <87y5d7w3j5.fsf@gnu.org>
References: <87txoxv7x9.fsf@gnu.org> <201303031726.08488.andreas@enge.fr>
	<8738wcyxs7.fsf@gnu.org> <87wqsrrho3.fsf@karetnikov.org>
	<878v57r6f4.fsf@gnu.org> <87boa38cj8.fsf@karetnikov.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Return-path: <bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([208.118.235.92]:43345)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <ludo@gnu.org>) id 1ULLzc-0003nO-Am
	for bug-guix@gnu.org; Thu, 28 Mar 2013 19:12:25 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <ludo@gnu.org>) id 1ULLzb-00023z-6X
	for bug-guix@gnu.org; Thu, 28 Mar 2013 19:12:24 -0400
Received: from [2a01:e0b:1:123:ca0a:a9ff:fe03:271e] (port=39002
	helo=xanadu.aquilenet.fr) by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <ludo@gnu.org>) id 1ULLzb-000222-05
	for bug-guix@gnu.org; Thu, 28 Mar 2013 19:12:23 -0400
In-Reply-To: <87boa38cj8.fsf@karetnikov.org> (Nikita Karetnikov's message of
	"Fri, 29 Mar 2013 01:00:59 +0400")
List-Id: Bug reports for GNU Guix <bug-guix.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/bug-guix>,
	<mailto:bug-guix-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/bug-guix>
List-Post: <mailto:bug-guix@gnu.org>
List-Help: <mailto:bug-guix-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/bug-guix>,
	<mailto:bug-guix-request@gnu.org?subject=subscribe>
Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org
Sender: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org
To: Nikita Karetnikov <nikita@karetnikov.org>
Cc: bug-guix@gnu.org

Nikita Karetnikov <nikita@karetnikov.org> skribis:

>> Can you run =E2=80=98file=E2=80=99 on libgcc.a (or one of the .o files i=
t contains)?
>> Can you check in the glibc log whether a -mabi flag is passed?
>
> Oh, I forgot to add the -K option.  There are no logs.

-K has nothing to do with logs.  :-)

Logs are always kept, under /nix/var/log/nix/drvs by default (the
directory and file name correspond to the .drv name.)

>> You may need to explicitly add -mabi=3D64 for glibc.  It should be
>> possible to do it with something like:
>
>>   #:configure-flags '("CFLAGS=3D-mabi=3D64 -g -O2")
>
> Which 'glibc' should be used?

The cross one.

> I tried to use
>
>        ((#:configure-flags flags)
>         `(cons ,(string-append "CFLAGS=3D-mabi=3D64 -g -O2 " "--host=3D" =
target)
>                ,flags))
>
> in 'cross-libc' ('cross-base.scm'), but it failed:
>
> checking for suffix of object files... configure: error: in `/tmp/nix-bui=
ld-glibc-cross-mips64el-linux-gnu-2.17.drv-3/build':
> configure: error: cannot compute suffix of object files: cannot compile

Can you check what config.log has to say?

> I reread the quasiquote-related part of the manual, but I still fail to
> understand how to add 'CFLAGS' properly.

You did it right.  :-)

Ludo=E2=80=99.