svn commit: r314657 - in head/kerberos5: . lib/libgssapi_krb5 lib/libgssapi_ntlm lib/libgssapi_spnego lib/libhdb lib/libkafs5 lib/libkrb5 libexec/hprop libexec/kpasswdd tools/asn1_compile tools/slc

[Warner Losh]

On Sat, Mar 4, 2017 at 1:25 PM, Bryan Drewery <bdrewery at freebsd.org> wrote:
> 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.

:H is insane in 90% of the cases I've seen it used. Let's roll with
SRCTOP everywhere we can. That's safer from directory motion anyway...

Warner