What use is WWWDIR_REL?

Doug Barton dougb at FreeBSD.org
Sat Feb 11 00:26:11 UTC 2012

On 02/10/2012 16:17, Jason Helfman wrote:
> On Fri, Feb 10, 2012 at 04:13:32PM -0800, Doug Barton thus spake:
>> On 02/08/2012 20:18, Scot Hetzel wrote:
>>> On Tue, Feb 7, 2012 at 9:28 PM, Doug Barton <dougb at freebsd.org> wrote:
>>>> Following up to my previous post about "Why isn't WWWDIR_REL in the
>>>> default PLIST_SUB I broke open bsd.port.mk and found this:
>>>>                EXAMPLESDIR="${EXAMPLESDIR_REL}" \
>>>>                DATADIR="${DATADIR_REL}" \
>>>>                WWWDIR="${WWWDIR_REL}" \        *******!!!!????!!!****
>>>>                ETCDIR="${ETCDIR_REL}"
>>>> So this leads me to many questions, the first and most obvious of which
>>>> is, what the heck good is WWWDIR_REL in the first place? I searched the
>>>> ports tree and found 1,063 uses of it (outside of bpm itself). 1,035 of
>>>> them are literals in a pkg-plist, which at this point looks completely
>>>> useless. Of the 28 others 13 of them are PLIST_SUB related, which
>>>> apparently can also be removed. Most of the other 15 look like
>>>> mistakes,
>>>> and all of them look like they can be fixed with little difficulty.
>>> Those 1035 ports that are using WWWDIR_REL in their pkg-plist are
>>> wrong and should be changed to use WWWDIR. Since PLIST_SUB will
>>> automatically replace %%WWWDIR%% with ${WWWDIR_REL} in the pkg-plist.
>> Ok, glad we're in agreement on that.
>>>> So I'd like to propose the attached, not to be included until the
>>>> existing uses of WWWDIR_REL are updated of course. Can anyone tell me
>>>> why this would be a bad idea? I think being able to just use %%WWWDIR%%
>>>> in the plist would be a lot less confusing.
>>> I believe the original purpose of the *_REL variables in bsd.port.mk
>>> was to make maintaining bsd.port.mk easier.
>> Clearly I'm missing something then, because I don't see how they
>> accomplish anything useful. Perhaps you can enlighten me? There is
>> nothing in the CVS log that even mentions them, never mind why they were
>> added (bad portmgr, no cookie!).
>> Doug
> Interesting bit here:

Have you actually read the thread at all? I understand how they get
expanded, my point is that the *_REL variables are (apparently) only
useful in a plist, and they are not needed there because of how the
default PLIST_SUB is expanded. I've already pasted that bit into this
thread twice, I'm not going to do it again. :)



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