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Re: [PATCH] Add Jellyfish.
From: |
Ludovic Courtès |
Subject: |
Re: [PATCH] Add Jellyfish. |
Date: |
Fri, 01 Jan 2016 23:15:12 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
Ricardo Wurmus <address@hidden> skribis:
> Ludovic Courtès <address@hidden> writes:
>
>> Ben Woodcroft <address@hidden> skribis:
>>
>>> But would it be possible to include the scripting language bindings,
>>> something along these lines?
>>>
>>> + (arguments
>>> + `(#:configure-flags '("--enable-ruby-binding"
>>> + "--enable-python-binding"
>>> + "--enable-perl-binding")
>>
>> There’s the usual space/popularity tradeoff to take into account: adding
>> them all makes the package’s closure much larger, so it’s important to
>> add only the useful bindings by default.
>>
>> Ideally, the .so for these bindings could be moved to separate outputs
>> (like we did for the “tk” output of Python), but it’s not always easy to
>> do.
>
> In this case it seems to be very easy to separate the bindings into
> different outputs as the flags take an optional path.
Great.
> However, the test for the Perl bindings does not pass:
>
> /gnu/store/czs63sm4l0s4a56ab38dqvkx19yzylbq-perl-5.16.1/bin/perl: symbol
> lookup error:
> /tmp/nix-build-jellyfish-2.2.4.drv-0/jellyfish-2.2.4/.libs/libjellyfish-2.0.so.2:
> undefined symbol: pthread_create
> FAIL tests/swig_perl.sh (exit status: 127)
>
> Maybe the library needs another linker flag? I’ll play with this later
> and see if I can make it work. If not I’ll leave the Perl bindings (and
> the “perl” output) away for now.
Looks like libjellyfish-2.0.so lacks “-pthread” in its LDFLAGS. Perl
dlopening reveals the problem, it seems.
> It’s a bit unfortunate that this library would gain so many transitive
> inputs just for these bindings (all of these three languages require a
> lot of inputs). It would be nice if we could somehow mark certain
> inputs to be used only for certain outputs, but that’s probably a silly
> wish.
At least someone using substitutes won’t need to download all these
prerequisites if bindings are moved to individual outputs.
Thanks,
Ludo’.
- Re: [PATCH] Add Jellyfish.,
Ludovic Courtès <=