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From Thom May <>
Subject Re: Having sane default configs was Re: cvs commit: httpd-2.0 STATUS
Date Sat, 09 Mar 2002 18:45:01 GMT
* Aaron Bannert ( wrote :
> On Fri, Mar 08, 2002 at 04:12:39PM -0500, Rodent of Unusual Size wrote:
> > Let me clarify: By putting absolute paths into the config
> > files, we are locking the installation into a single location.
> > By using ServerRoot-relative locations, as we always have, the
> > installation can be moved around the filesystem, or even to
> > another box.
> > 
> > Now, if the $foodir values can be defined as ServerRoot-relative,
> > at least for some layouts (like the default), then I'm of
> > the other opinion, and +1 on the idea.  But absolute paths?  No way!
> Thom and I have had to deal with this lately and came up with a couple
> of m4 macros to help:
> APR_EXPAND_VAR takes a variable and recursively interpolates the contents.
>   Useful for when datadir='${foodir}/bar'.
> APR_PATH_RELATIVE takes a path and a prefix var and strips off the prefix
>   (and any extra / characters) if they share a common prefix, else it
>   takes the literal of the original path.
> I'm thining that to deal with apachectl, apxs, httpd-std.conf, etc... we'll
> have to come up with a couple sets of variables that parallel their $prefix
> counterpars. For example:
To further facilitate this, I suggest that apxs and apachectl should have a
-d argument added to them, analogous to httpd's -d; otherwise they have no
concept of what the ServerRoot is if httpd has been run with -d.

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