On Tue, Nov 22, 2016 at 11:31 PM, Volker Braun <vbraun.n...@gmail.com> wrote:
> You need the "unprefixed libgap" where the symbols are not prefixed.
> https://trac.sagemath.org/ticket/19915
Wouldn't it also be possible, in principle, to build a separate set of
binaries for the GAP packages that are linked against libGAP using
those symbols?
> On Tuesday, November 22, 2016 at 11:22:02 PM UTC+1, Nicolas M. Thiéry wrote:
>>
>> Dear Volker, Dima, Markus,
>>
>> For my research, I and several persons in the same area would really
>> need to use GAP's Semigroups package in Sage to avoid reimplementing
>> equivalent stuff in Sage. Semigroups depends on IO, which itself
>> requires dynamic loading which, as Dima mentioned a couple times
>> recently, is currently not possible with libgap:
>>
>> sage: libgap.LoadPackage("IO")
>> ...
>> ValueError: libGAP: Error, no support for dynamic loading
>>
>> I remember discussing this briefly with Volker in St Andrews. And then
>> later, for some time, I have been able to use Semigroups in
>> libgap. But not anymore. Alas I did not take notes on what Volker had
>> said, and if I had taken any action following that discussion, or if
>> it was plain luck.
>>
>> - Is this something structural to libgap?
>> - Is there a fix? a work around?
>>
>> Thanks in advance!
>>
>> Cheers,
>> Nicolas
>> --
>> Nicolas M. Thiéry "Isil" <nth...@users.sf.net>
>> http://Nicolas.Thiery.name/
>
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