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Postings from February 2004
Elizabeth Mattijsen wrote:
> At 21:33 +0100 1/25/04, Rafael Garcia-Suarez wrote:
>
>> Elizabeth Mattijsen wrote:
>> > dies with the error:
>> > Recursive call to Perl_load_module in PerlIO_find_layer line 3.
>>
>>> BEGIN failed--compilation aborted line 6.
>>
>> > BEGIN failed--compilation aborted line 6.
>> Because it tries to load PerlIO::Scalar while trying to load
>> PerlIO::Scalar.
>
>
> Indeed. This works like a charm:
>
> BEGIN {
> require PerlIO::Scalar;
> unshift( @INC,sub {
> my $data; open( my $in,'<',\$data );
> } );
> }
> use Foo;
>
> But I would never have gotten from the error message to this fix.
>
> But this implies that PerlIO::Scalar is only loaded the first time you
> try to do an open() like that. Are there many more situations like that
> in Perl nowadays? Is there a list of this modules that get
> automatically loaded on demand? Could be important for optimizing Perl
> on mod_perl prefork MPMs...
Liz,
Module::Use will tell you about all modules that get loaded behind the scenes:
http://search.cpan.org/dist/Module-Use/
Load it the very last thing in httpd.conf.
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Stas Bekman JAm_pH ------> Just Another mod_perl Hacker
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