Re: [PATCH] Enable deterministic perl archives.

[Marius Bakke <mbakke@fastmail.com>]

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Ludovic Courtès <ludo@gnu.org> writes:

> Hello!
>
> Marius Bakke <mbakke@fastmail.com> skribis:
>
>> As far as I can tell, they really are pointless. Makefiles generated by
>> MakeMaker have a "pure_install" target that do not create them.
>>
>> From http://www.perlmonks.org/?node=ExtUtils%3A%3AMakeMaker:
>>
>> "make install per default writes some documentation of what has been
>> done into the file $(INSTALLARCHLIB)/perllocal.pod. This feature can be
>> bypassed by calling make pure_install."
>>
>> Here is a typical perllocal.pod:
>>
>> =head2 Tue Oct 25 03:46:54 2016: C<Module> L<Eval::Closure|Eval::Closure>
>>
>> =over 4
>>
>> =item *
>>
>> C<installed into: /gnu/store/8bqypkq60c72ndxfxi9g661r6rzby7iv-perl-eval-closure-0.14/lib/perl5/site_perl/5.24.0>
>>
>> =item *
>>
>> C<LINKTYPE: dynamic>
>>
>> =item *
>>
>> C<VERSION: 0.14>
>>
>> =item *
>>
>> C<EXE_FILES: >
>>
>> =back
>>
>> They contain build date, FFI language, link type, version and a list of
>> executables.
>>
>> As far as I can tell, this is used by "traditional" package managers
>> such as CPAN, which appends information about all modules in a location
>> to a single perllocal.pod file [0]. Since our modules are
>> self-contained, they will not have any more utility than the above.
>>
>> [0]: http://www.cpan.org/misc/cpan-faq.html#How_installed_modules
>>
>> "Each time a module is installed on your system, it appends information
>> like the following to a file called perllocal.pod which can be found in
>> /usr/local/lib/perl5/version number/architecture/ or something akin to
>> that"
>
> Oh so it seems similar to things like ld.so.cache.
>
> Then OK for this patch in core-updates, with a comment explaining what
> the flag does and why it’s OK (and/or a link to this thread).

OK. Pushed to core-updates as be12f4e27505edd87c4aa457fec43dd0fee23b79!

>
> Thank you!
>
> Ludo’.

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