Quick test building a module cross all targets and architectures

[Hans Petter Selasky]

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