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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: [PATCH 07/13] build: Add 'DL' silent rule.
Date: Tue, 26 Jan 2016 22:06:15 +0100
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In-Reply-To: <87d1so44nh.fsf@gnu.org> (Mathieu Lirzin's message of "Tue, 26
	Jan 2016 18:44:18 +0100")
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To: Mathieu Lirzin <mthl@gnu.org>
Cc: guix-devel@gnu.org

Mathieu Lirzin <mthl@gnu.org> skribis:

> ludo@gnu.org (Ludovic Court=C3=A8s) writes:
>
>> Mathieu Lirzin <mthl@gnu.org> skribis:
>>
>>> * Makefile.am (AM_V_DL, AM_V_DL_, AM_V_DL_0): New variables.
>>> * gnu-system.am (gnu/packages/bootstrap/x86_64-linux/guile-2.0.9.tar.xz)
>>> (gnu/packages/bootstrap/i686-linux/guile-2.0.9.tar.xz)
>>> (gnu/packages/bootstrap/armhf-linux/guile-2.0.11.tar.xz)
>>> (gnu/packages/bootstrap/mips64el-linux/guile-2.0.9.tar.xz): Use $(AM_V_=
DL).
>>
>> Since downloading is pretty unusual and unexpected (understandably so),
>> I wonder if we should it leave this one as noisy as it is so that people
>> see the name of the script that downloads the thing and inspect it.
>>
>> WDYT?
>
> Indeed, this is unusual and should be avoided in a =E2=80=9Cnormal=E2=80=
=9D make
> context.  However I am not sure about the effect of noise in such case:
>
> /bin/mkdir -p `dirname "gnu/packages/bootstrap/mips64el-linux/guile-2.0.9=
.tar.xz"`
> GUILE_LOAD_COMPILED_PATH=3D".:$GUILE_LOAD_COMPILED_PATH" /usr/bin/guile -=
-no-auto-compile -L "." -L "." "./build-aux/download.scm" "gnu/packages/boo=
tstrap/mips64el-linux/guile-2.0.9.tar.xz" "994680f0001346864aa2c2cc5110f380=
ee7518dcd701c614291682b8e948f73b"
> downloading file `gnu/packages/bootstrap/mips64el-linux/guile-2.0.9.tar.x=
z' from `http://alpha.gnu.org/gnu/guix/bootstrap/mips64el-linux/20131110/gu=
ile-2.0.9.tar.xz'...
>
> this can easily be overlooked as =E2=80=9Canother=E2=80=9D compilation wa=
rning produced
> by Guile.
>
>   DL       gnu/packages/bootstrap/i686-linux/guile-2.0.9.tar.xz

Actually that=E2=80=99d be fine if the =E2=80=9Cdownloading file=E2=80=9D m=
essage above would
remain visible.

WDYT?

Thanks,
Ludo=E2=80=99.