From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: [PATCH] gnu: cross-gcc-arguments: Disable libitm, libvtv and,
	libsanitizer.
Date: Mon, 04 Jul 2016 10:25:00 +0200
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In-Reply-To: <20160624083231.GA7766@debian-netbook> (Efraim Flashner's message
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To: Efraim Flashner <efraim@flashner.co.il>
Cc: guix-devel@gnu.org

Hi,

Efraim Flashner <efraim@flashner.co.il> skribis:

> On Thu, Apr 07, 2016 at 04:07:25PM +0300, Manolis Ragkousis wrote:
>> Hey Ludo,
>>=20
>> I have reproduced the problem on the latest master targeting i686-linux
>> and arm-linux-gnueabihf.
>>=20
>> The problem is that those libraries will fail to build when glibc is not
>> present. Also if target os is none, this problem will not appear because
>> the libs will not get built at all.
>>=20
>> You can reproduce it with ./pre-inst-env guix build -e '((@@(gnu
>> packages cross-base) cross-gcc) "arm-linux-gnueabihf")'
>>=20
>> This does not happen when targeting mips.
>>=20
>> I have added an explanation to the patch and a link to this thread.
>>=20
>> Manolis
>
> This patch was instrumental in building aarch64 bootstrap tarballs.
> Without it, when building the cross-gcc compiler from x86_64 to aarch64
> it would fail to compile when trying to build libitm. Searching around
> the internet suggested that this was only when building a cross-compiler
> that targeted C++ and not only C.
>
> I understand that it's too late to push this to core-updates, but we
> should push it to core-updates-next.

Sorry for the delay again.  Since it touches the cross toolchain and not
the main toolchain (Manolis, could you double-check that this is
correct, by making sure that =E2=80=9C./pre-inst-env guix build coreutils -=
d=E2=80=9D is
the same both before and after the patch?), it=E2=80=99s still OK to push to
=E2=80=98core-updates=E2=80=99.

Manolis: OK to push?

Thanks for the heads-up, Efraim!

Ludo=E2=80=99.