Meta mode toolchain bootstrapping [was Re: FreeBSD targets/ out-of-date]

[Bryan Drewery]

On 11/13/2015 1:38 PM, Simon J. Gerraty wrote:
> Bryan Drewery <bdrewery at FreeBSD.org> wrote:
> 
>> On 11/13/2015 9:22 AM, Simon J. Gerraty wrote:
>>> Bryan Drewery <bdrewery at FreeBSD.org> wrote:
>>>>> WITH_META_FILES should give you improvements already in that regard.
>>>>
>>>> Yes, it's a step. We'll need cookies in a lot of places too. I wish
>>>> WITH_META_MODE had been WITH_META_BUILD or WITH_DIRDEPS_BUILD so I could
>>>
>>> WITH_DIRDEPS_BUILD would be more accurate.
>>>
>>> Its not too late to rename/add it.
>>
>> My hesitation was really only due to all of the documentation and
> 
> The diff is pretty small actually - only 8 files affected.
> I suspect renaming tools/build/options/WITH_META_{FILES,MODE} might need
> to be done in a couple of steps?
> 
> At least svn diff cannot correctly represent
> 
> svn mv WITH_META_MODE WITH_DIRDEPS_BUILD
> svn mv WITH_META_FIES WITH_META_MODE

1 commit here is fine. After the commit you would run something like
this from tools/build/options to update src.conf.5:

svn up . ../../../share/man/man5/src.conf.5
./makeman > ../../../share/man/man5/src.conf.5
svn commit -m "Regen" ../../../share/man/man5/src.conf.5

> 
>>> I think I mentioned the otherday of having something like:
>>>
>>> .if ${MK_META_MODE} == "yes"
>>> # we can safely use cookies to avoid always
>>> # re-running targets.
>>> META_COOKIE_TOUCH= touch ${COOKIE.${.TARGET}:U${.TARGET}}
>>> .else
>>> META_COOKIE_TOUCH=
>>> .endif
>>>
>>> in meta.sys.mk so you could just add ${META_COOKIE_TOUCH}
>>> to the end of suitable targets.
>>
>> Great, thanks. Definitely will be useful.
> 
> Better name welcome
> Also this probably wants to go somewhere other than meta.sys.mk
> not needed during sys.mk anyway.
> 


-- 
Regards,
Bryan Drewery

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