Date: Tue, 27 Oct 2015 10:06:41 +0100 From: Hans Petter Selasky <hps@selasky.org> To: John Baldwin <jhb@freebsd.org>, freebsd-current@freebsd.org Subject: Re: Quick test building a module cross all targets and architectures Message-ID: <562F3EA1.9020708@selasky.org> In-Reply-To: <5888922.UHSgpdyTWY@ralph.baldwin.cx> References: <562DEE4F.5010203@selasky.org> <5888922.UHSgpdyTWY@ralph.baldwin.cx>
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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
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