From owner-freebsd-current@freebsd.org  Tue Oct 27 09:05:01 2015
Return-Path: <owner-freebsd-current@freebsd.org>
Delivered-To: freebsd-current@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 33D7881EE
 for <freebsd-current@mailman.ysv.freebsd.org>;
 Tue, 27 Oct 2015 09:05:01 +0000 (UTC) (envelope-from hps@selasky.org)
Received: from mail.turbocat.net (mail.turbocat.net
 [IPv6:2a01:4f8:d16:4514::2])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id E9C9318CC;
 Tue, 27 Oct 2015 09:05:00 +0000 (UTC) (envelope-from hps@selasky.org)
Received: from laptop015.home.selasky.org
 (cm-176.74.213.204.customer.telag.net [176.74.213.204])
 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))
 (No client certificate requested)
 by mail.turbocat.net (Postfix) with ESMTPSA id B350E1FE023;
 Tue, 27 Oct 2015 10:04:56 +0100 (CET)
Subject: Re: Quick test building a module cross all targets and architectures
To: John Baldwin <jhb@freebsd.org>, freebsd-current@freebsd.org
References: <562DEE4F.5010203@selasky.org>
 <5888922.UHSgpdyTWY@ralph.baldwin.cx>
From: Hans Petter Selasky <hps@selasky.org>
Message-ID: <562F3EA1.9020708@selasky.org>
Date: Tue, 27 Oct 2015 10:06:41 +0100
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101
 Thunderbird/38.2.0
MIME-Version: 1.0
In-Reply-To: <5888922.UHSgpdyTWY@ralph.baldwin.cx>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current/>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 27 Oct 2015 09:05:01 -0000

On 10/26/15 19:03, John Baldwin wrote:
> On Monday, October 26, 2015 10:11:43 AM Hans Petter Selasky wrote:
>> Hi,
>>
>> We have NO_MODULES for building kernel without modules, but no NO_KERNEL
>> to only build the modules.
>>
>> What do you think about the following patch:
>>
>>> diff --git a/sys/conf/kern.post.mk b/sys/conf/kern.post.mk
>>> index ddf828e..f0920df 100644
>>> --- a/sys/conf/kern.post.mk
>>> +++ b/sys/conf/kern.post.mk
>>> @@ -32,7 +32,11 @@ KERN_DEBUGDIR?=      ${DEBUGDIR}
>>>
>>>   .for target in all clean cleandepend cleandir clobber depend install \
>>>       obj reinstall tags
>>> +.if !defined(NO_KERNEL)
>>>   ${target}: kernel-${target}
>>> +.else
>>> +${target}:
>>> +.endif
>>>   .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
>>>   ${target}: modules-${target}
>>>   modules-${target}:
>>
>> It allows only a single module with MODULES_OVERRIDE= and NO_KERNEL=YES
>> to be built with universe in very little time. This can save a lot of
>> build time when changes are limited to a set of kernel modules.
>
> Can you just use something like MODULES_WITH_WORLD instead?
>
> make tinderbox MAKE_JUST_WORLDS=yes SUBDIR_OVERRIDE=sys/modules MODULES_OVERRIDE=foo
>
> (If it's only 1 module directory you can probably just use SUBDIR_OVERRIDE directly?)
>
> make tinderbox MAKE_JUST_WORLDS=yes SUBDIR_OVERRIDE=sys/modules/foo
>

Hi John,

The command you suggested will re-build all the cross-tools, which is 
not what I want.

--HPS