perl-5.10.0-4 -> perl-5.10.0-5 update appears to break DateTime

Reini Urban rurban@x-ray.at
Wed Jul 9 10:18:00 GMT 2008


2008/7/9 Reini Urban:
> 2008/7/8 Reini Urban:
>> 2008/7/8 Gary R. Van Sickle:
>>> Hi Reini,
>>>
>>> It looks like something changed between perl 5.10.0-4 and -5 which breaks
>>> the DateTime module from CPAN (version 0.4302, latest).  The attached Simple
>>> Test Case(tm) results in only the following errors:
>>>
>>> Use of uninitialized value $id in pattern match (m//) at
>>> /usr/lib/perl5/site_perl/5.10/DateTime/Locale.pm line 65.
>>
>> Bad side-effect with a third party module in site_perl.
>> Strange that I didn't see this in my tests, because I tested over
>> thousand CPAN modules with this release.
>> Oh, I see, I reported that it failed on June 5.
>>
>> $ cpan DateTime
>> requires DateTime::Locale
>>
>> DateTime::Locale cannot be installed because of this error,
>> but since you upgraded perl we have to fix DateTime::Locale now.
>>
>> Oops. This seems to affect more modules.
>> Params::Validate with type => SCALAR seems to be broken.
>>  http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Params%3A%3AValidate
>>
>> I have to go now, but will provide a patch soon.
>> As workaround I would disable the validation in DateTime::Locale::_register
>> but this also doesn't work as expected.
>>
>>    if (! defined $p{id} or !$id) {
>>        # cygperl5 error in Params::Validate?
>>        #warn "Broken Params::Validate. Given ".join(",",@_);
>>        $p{id} = $_[0];
>>        $p{en_language} = $_[1];
>>        my @keys = qw(en_script en_territory en_variant native_language
>> native_script native_territory native_variant class replace);
>>        for my $i (2 .. @_) {
>>            $p{$keys[$i]} = $_[$i];
>>        }
>>    }
>
> Update on this issue:
> As you can see, there's only one machine with this error, which is my laptop.
> http://cpantesters.perl.org/show/DateTime-Locale.html#DateTime-Locale-0.4001
> My normal devel machine passed the DateTime::Locale test, which is weird.
> I also pass the Params::Validate test on my laptop, which is weirder,
> because this fails for DateTime::Locale on my laptop.
>
> Anyway, until I find out the differences between my laptop and my
> devel machine,
> the short summary:
>
> Params::Validate fails in an BEGIN block, in a type => SCALAR check only on
> certain machines with 5.10.0 patch 34065 on Cygwin. (Tested only
> release and patch 34065).
> Reproducible with DateTime::Locale.
> Within the debugger everything works ok. (Probably because of the BEGIN block)
> The other DateTime::Locale reports show no clue.
> There's a Darwin report on the same patchlevel which passed.
>
> Within DateTime-Locale-0.4001 after make
> even perl -Mblib -cw t/01basic.t fails with the same errors.
>
> Moving the register call from BEGIN to INIT also does not help.

The adhoc workaround for perl-5.10.0-5 is to move away the Validate XS module:

mv /usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Params/Validate/Validate.dll \
  /usr/lib/perl5/site_perl/5.10/i686-cygwin/auto/Params/Validate/_Validate.dll

Now it works, because Params::Validate has a slower pure-perl fallback.
-- 
Reini Urban
http://phpwiki.org/ http://murbreak.at/

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