On Thu, 16 Nov 2023 at 09:44, Dima Pasechnik <dimp...@gmail.com> wrote:
> > > On 16 November 2023 09:23:15 GMT, John Cremona <john.crem...@gmail.com> > wrote: > >Currently the eclib spkg has pari, ntl and flint as dependencies. The > >first two are essential, but flint is currently hardly used and everything > >works without it. (It is only used at all to compute the ref of a matrix > >(with entries int or long int) mod p and if flint is not available it just > >uses ntl instead.) > > > >It strikes me that there would be a small advantage within Sage to build > >eclib without flint: it would only affect the function > >CremonaModularSymbols() (and related) which are of very limited interest; > >it would not affect any of the elliptic curve functionality in eclib. > > I don't think this is really worthwhile: only if there were flint-less > versions of eclib abound on systems where Sage is installed, these would > be acceptable. > But it's not the case, and flint is here anyway, so there is very little > point in doing this. > OK. What triggered this for me was having installed flint3 on my machine, as Sage doesn't (yet) work with that, and it therefore prevents Sage using my own installed eclib. The install script does have a now-redundant few lines of code relating to flint configuration, which can be simplified now anyway. > > > > > > >If no-one has any reason to keep things as they are I will make a PR with > >the relevant changes to build/pkgs/eclib. > > > >Also, looking at eclib's spkg-configure.m4 I see (and recall) that we put > >in a check for an exact eclib version (currently 20230424), which seems > >unnecessarily restrictive. I would welcome suggestions for how to either > >check for a certain version *or later*, and/or check that the library has > >certain functions which we know that Sage wil need. > > indeed, we can relax to "or later". I suppose you're not going to break > upward compatibility of functions used in Sage. > Not intentionally.... > > Dima > > > >Not until after 10.2 is realeased, certainly. > > > >John > > > > -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-devel+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sage-devel/DA83A1E2-A69D-4C75-9793-F890F21E5403%40gmail.com > . > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/CAD0p0K6YxJLr4JP92Z6FRotoU-9Q8BNp5B08ioEZfLj7PLjNNw%40mail.gmail.com.
