Re: undefined symbol modperl_xs_sv2request_rec

Can you post the code and the httpd conf?

On Wed, Feb 2, 2011 at 10:28 PM, Mark Hedges <[email protected]> wrote:
>
> A change in Module::Build recently brought it in line with
> the behavior of ExtUtils::MakeMaker, which caused an error
> to crop up in test cases:
>
> # Error: Can't load '/usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/auto/APR/Request/Apache2/Apache2.so' for module APR::Request::Apache2: /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/auto/APR/Request/Apache2/Apache2.so: undefined symbol: modperl_xs_sv2request_rec at /usr/lib/perl5/5.8.8/i386-linux-thread-multi/DynaLoader.pm line 230.
> # at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Apache2/Request.pm line 3
> # Compilation failed in require at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Apache2/Request.pm line 3.
> # BEGIN failed--compilation aborted at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Apache2/Request.pm line 3.
>
> ... but only with `Build test` and not `prove -r t/`.
>
> This is because $ENV{PERL_DL_NONLAZY} is now always set by
> Module::Build::Base when running the test suite, which makes
> it try to resolve all undefined symbols.
>
> This only seems to happen in the test script trying to 'require'
> packages that use Apache2::Request (libapreq2) but people seem
> inclined to think it is a problem with mod_perl and not apreq.
>
> Any ideas?  Thanks.  --mark--
>
>
> ---------- Forwarded message ----------
> Date: Thu, 3 Feb 2011 01:02:16 -0500
> From: Michael G Schwern via RT <[email protected]>
> To: [email protected]
> Subject: Re: [rt.cpan.org #65382]
>
> <URL: https://rt.cpan.org/Ticket/Display.html?id=65382 >
>
> If that fixes it then you're likely papering over an error.
>
> perlrun explains PERL_DL_NONLAZY and why you'd set it to true for tests.
>
>       PERL_DL_NONLAZY
>         Set to one to have perl resolve all undefined symbols when
>         it loads a dynamic library.  The default behaviour is to
>         resolve symbols when they are used.  Setting this variable
>         is useful during testing of extensions as it ensures that
>         you get an error on misspelled function names even if the
>         test suite doesn't call it.
>
> So the test is trying to tell you that modperl_xs_sv2request_rec is not
> defined in your shared library.
>
> Also, `prove -I blib` is not correct.  You want `prove -b` which will pull in
> blib/lib and blib/arch.
>
>
> On 2011.2.3 9:08 AM, Mark Hedges via RT wrote:
>> It looks like this is the problem, or at least, this fixes it for me.
>> Why does do_tests() need to explicitly set this?  --m--
>>
>> --- /usr/lib/perl5/site_perl/5.8.8/Module/Build/Base.pm.orig  2011-02-02
>> 15:04:07.000000000 -0800
>> +++ /usr/lib/perl5/site_perl/5.8.8/Module/Build/Base.pm       2011-02-02
>> 15:07:21.000000000 -0800
>> @@ -2667,8 +2667,6 @@
>>
>>    my $tests = $self->find_test_files;
>>
>> -  local $ENV{PERL_DL_NONLAZY} = 1;
>> -
>>    if(@$tests) {
>>      my $args = $self->tap_harness_args;
>>      if($self->use_tap_harness or ($args and %$args)) {
>
>
>
> --
> 10. Not allowed to purchase anyone's soul on government time.
>    -- The 213 Things Skippy Is No Longer Allowed To Do In The U.S. Army
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>
>