On 3/4/2017 12:20 PM, Rodney W. Grimes wrote:
> -- Start of PGP signed section.
> [ Charset windows-1252 unsupported, converting... ]
>> On 3/4/2017 7:34 AM, Rodney W. Grimes wrote:
>>> What is ${.CURDIR:H:H} ????? Yes that seems to work but now we are
>>> obscuring
>>> ../.. into makefile syntax magic, probably not a grand idea.
>> It just trims off the last directory component. This both reduces
>> namecache lookups, lessens the amount of data in a log, and makes
>> debugging a log simpler by not having a crazy path like:
>> /home/bdrewery/big/git/buildserver/sys/modules/usb/template/../../../dev/usb/template/usb_template.c
>>
>> It's far simpler to understand and work with:
>> /home/bdrewery/big/git/buildserver/sys/dev/usb/template/usb_template.c
>>
>> The only downside is it is slightly more obscure in a Makefile, but once
>> you know what :H is then it's not a problem. This is why SRCTOP is even
>> better than this as it is far more clear than even :H and avoids the
>> ../../ problems.
> Lets do one or the other, but not both ${SRCTOP} and :H:H:H. It appears
> that we now have a mix and mashed up some one way others the other.That I can agree with. I would prefer to standardize on SRCTOP as :H is too obscure without learning about make details. -- Regards, Bryan Drewery
signature.asc
Description: OpenPGP digital signature
