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Posted to dev@perl.apache.org by Nick Tonkin <ni...@tonkinresolutions.com> on 2003/04/03 17:30:37 UTC
$mod_perl::VERSION vs. Apache::exists_config_define("MODPERL2")
Any preference between these two methods of finding out what version
of mod_perl we are running under?
And should we document both in the porting tutorial, or is it better
to just pick one?
- nick
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Nick Tonkin {|8^)>
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Re: $mod_perl::VERSION vs. Apache::exists_config_define("MODPERL2")
Posted by Stas Bekman <st...@stason.org>.
Nick Tonkin wrote:
> Any preference between these two methods of finding out what version
> of mod_perl we are running under?
>
> And should we document both in the porting tutorial, or is it better
> to just pick one?
We need both.
$mod_perl::VERSION tells you the exact version. And it can be queried by any
non-mod_perl app. You can pick a wrong $mod_perl::VERSION if you have both mp
installed.
Apache::exists_config_define("MODPERL2") is available only after mod_perl.so
was loaded (a bit after that), and it's always correct. So this is probably a
preferrable way to figure out the mod_perl generation.
But the real use for this API is in httpd.conf:
<!IfDefine MODPERL2>
...
</IfDefine>
What I don't like about it is that it's called MODPERL2 and not MOD_PERL2. At
some point I'm going to walk through all the defines that we use and change
them s/MODPERL/MOD_PERL/ as discussed before.
__________________________________________________________________
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