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From: Torsten Foertsch <torsten.foertsch@gmx.net>
To: modperl@perl.apache.org
Subject: Re: what is the best way to do ...
Date: Tue, 21 Feb 2006 20:39:35 +0100
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Cc: Geoffrey Young <geoff@modperlcookbook.org>
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On Tuesday 21 February 2006 19:17, Geoffrey Young wrote:
> > I need something like this:
> >
> > __END__
> > <IfVersion >=3D 2.2.0>
> > AllowOverride AuthConfig Options=3DIndexes,FollowSymLinks
> > </IfVersion>
> >
> > Unfortunately, IfVersion is valid only from 2.0.56 on. Is there a
> > workaround in mod_perl or AT?
>
> I understand what you're asking, but it's not there :)
>
> I take it that Options=3DIndexes is the problematic part?
>
> the only thing I can think of is using something like this
>
> =A0 <IfDefine APACHE2_2>
> =A0 =A0...
> =A0 </IfDefine>
>
> then using t/TEST.PL as a template (instead of the default generated
> t/TEST) and include logic something like this
>
> if (have_min_apache_version(2.2)) {
> =A0 Apache::TestRunPerl->new->run(@ARGV, '-defines', 'APACHE2_2');
> }
> else {
> =A0 Apache::TestRunPerl->new->run(@ARGV);
> }
>
> or somesuch. =A0you'll need to pull some additional trickery to actually =
get
> have_min_apache_version() to work but I think you get the idea :)

Thanks Geoff.

I am actually preparing a patch for mod_perl that solves these problems:

http://www.gossamer-threads.com/lists/modperl/dev/86456
http://www.gossamer-threads.com/lists/modperl/dev/86972

It=20

a) extends the interface of Apache2::RequestUtil::add_config:

   $r->add_config(\@lines, $override, $path, $override_opts)

b) adds a function allow_override_opts() to read
   ((core_dir_config *)conf)->override_opts

c) adds Apache2::CmdParms::override_opts.

=46or Apache 2.0.x these functions return 255, the default value in 2.2. Se=
tting=20
Apache2::CmdParms::override_opts dies for 2.0 and the override_opts paramet=
er=20
to add_config is simply ignored in 2.0.

When adding tests I stumbled. Where do I have to add the -defines trick in=
=20
this case?

Btw, does anyone know why $r->add_config always passes a path in cmd_parms?=
 I=20
have tried passing also NULL pointers. For some configuration directives th=
at=20
causes segfaults but sometimes it's useful (for example if a <Location> blo=
ck=20
is to be passed to $r->add_config). I'd like to extend the interface to pas=
s=20
a NULL pointer in cmd_parms if an empty string is passed to add_config.

Would such a patch have any chances to get into mod_perl?

Torsten

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