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Re: [PATCH 2/2] Add module functions to convert from and to big integers

From: Philipp Stephani
Subject: Re: [PATCH 2/2] Add module functions to convert from and to big integers.
Date: Thu, 25 Apr 2019 12:41:03 +0200

Am Do., 25. Apr. 2019 um 07:33 Uhr schrieb Eli Zaretskii <address@hidden>:
> > From: Paul Eggert <address@hidden>
> > Date: Wed, 24 Apr 2019 17:00:08 -0700
> > Cc: Emacs developers <address@hidden>
> >
> > On 4/24/19 2:19 PM, Philipp Stephani wrote:
> > > I'd definitely hope so, otherwise we should reconsider the mini-gmp
> > > support. Unfortunately I didn't find any statement about ABI
> > > compatibility of mini-gmp.h.
> >
> > There will be a compatibility problem if a module assumes functionality
> > of full GMP that mini-gmp does not provide
> Yes, and I think only in that case.  We should try to avoid such
> features in the module API.

Thinking about it further, I think it might be simpler and cleaner to
just require full GMP unconditionally when building with module
support. It's not a large barrier, and I'd expect "serious" systems to
always build with GMP anyway for performance reasons.

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